learn.stmath.com - dns.ninja

`learn.stmath.com`

DNSSEC	⚠️ Not signed
A	18.238.4.10^{🇺🇸 Amazon18.238.4.0/22}
		PTR	`server-18-238-4-10.phl51.r.cloudfront.net`
A	18.238.4.32^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.37^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.118^{🇺🇸 Amazon18.238.4.0/22}

`stmath.com`

	DNSSEC	🔒 Signed (DS record present)
	A	2600:9000:2049:6000:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:7200:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:7a00:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:8800:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:ae00:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:c200:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:ce00:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	2600:9000:2049:ec00:5:dc00:d640:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
	A	13.35.107.23^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.87^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.111^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	A	13.35.107.119^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
	NS	`ns-877.awsdns-45.net` ⭐
	NS	`ns-1041.awsdns-02.org`
	NS	`ns-1863.awsdns-40.co.uk`
	NS	`ns-22.awsdns-02.com`
	MX	`stmath-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms46826180`
	TXT	`atlassian-domain-verification=vQA8AmzOYiZfpJy8twkT5Fs9qOZDbckg82ZOVOs42bo7SQ0...`
	TXT	`google-site-verification=B66FS_q3gmM0zoEL52itX-ITu4dVegSwYW_uQB1mCyM`
	TXT	`google-site-verification=XT6jhtIpWVTOZUwUzqSh6gI235GkpFTo9mN23Xj3eqo`
	TXT	`pardot1027393=de3ba56a2026e7968270624779ea2c14e32f4f27968f83e30bd256d7be1db982`
	TXT	`status-page-domain-verification=ccq4s265hdpv`
	TXT	`v=spf1 include:spf.protection.outlook.com include:stspg-customer.com include:...`
	SOA	`ns-877.awsdns-45.net`awsdns-hostmaster@amazon.com serial=1

rank #412519 globally
rank #173015 in the tld
WOT: SAFE (61/100)
📈 Tranco rank: #68,345

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DNS History

164 records (4 active, 160 former)

○A108.156.22.1272026-03-22 → 2026-07-16 · 37 obs

○ 2026-03-22 11:49:40
● 2026-03-22 15:53:06
○ 2026-03-22 17:32:24
○ 2026-03-24 12:22:12
● 2026-03-24 14:52:22
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● 2026-03-25 01:01:48
○ 2026-03-25 02:09:34
○ 2026-03-27 01:39:22
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● 2026-03-27 14:40:02
○ 2026-03-28 02:16:28
● 2026-07-11 09:18:14
○ 2026-07-11 17:19:00
● 2026-07-13 07:21:26
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● 2026-07-13 18:28:28
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● 2026-07-14 03:01:16
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● 2026-07-14 08:19:22
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● 2026-07-14 14:20:44
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● 2026-07-15 03:16:14
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● 2026-07-15 08:52:22
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● 2026-07-15 11:54:20
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● 2026-07-15 18:18:58
○ 2026-07-15 22:57:52
● 2026-07-16 00:36:30
○ 2026-07-16 04:33:38
○ 2026-07-16 04:33:42

○A108.156.22.22026-03-22 → 2026-07-16 · 37 obs

○A108.156.22.262026-03-22 → 2026-07-16 · 37 obs

○A108.156.22.692026-03-22 → 2026-07-16 · 37 obs

○A13.225.196.32026-04-06 → 2026-04-12 · 7 obs

○ 2026-04-03 01:22:12
● 2026-04-06 12:21:12
○ 2026-04-06 17:42:38
○ 2026-04-12 03:40:40
● 2026-04-12 10:16:08
○ 2026-04-12 13:57:48
○ 2026-07-16 04:33:42

○A13.225.196.52026-04-06 → 2026-04-12 · 7 obs

○ 2026-04-03 01:22:12
● 2026-04-06 12:21:12
○ 2026-04-06 17:42:38
○ 2026-04-12 03:40:40
● 2026-04-12 10:16:08
○ 2026-04-12 13:57:48
○ 2026-07-16 04:33:42

○A13.225.196.552026-04-06 → 2026-04-12 · 7 obs

○ 2026-04-03 01:22:12
● 2026-04-06 12:21:12
○ 2026-04-06 17:42:38
○ 2026-04-12 03:40:40
● 2026-04-12 10:16:08
○ 2026-04-12 13:57:48
○ 2026-07-16 04:33:42

○A13.225.196.82026-04-06 → 2026-04-12 · 7 obs

○ 2026-04-03 01:22:12
● 2026-04-06 12:21:12
○ 2026-04-06 17:42:38
○ 2026-04-12 03:40:40
● 2026-04-12 10:16:08
○ 2026-04-12 13:57:48
○ 2026-07-16 04:33:42

○A13.225.47.1192026-06-30 → 2026-07-02 · 10 obs

○ 2026-06-30 02:37:24
● 2026-06-30 07:26:24
○ 2026-06-30 08:48:26
● 2026-07-01 21:03:06
○ 2026-07-01 21:51:54
● 2026-07-02 04:48:06
○ 2026-07-02 08:59:30
● 2026-07-02 09:40:26
○ 2026-07-02 11:47:04
○ 2026-07-16 04:33:42

○A13.225.47.352026-06-30 → 2026-07-02 · 10 obs

○A13.225.47.822026-06-30 → 2026-07-02 · 10 obs

○A13.225.47.872026-06-30 → 2026-07-02 · 10 obs

○A13.227.76.252021-09-11 → 2021-09-11 · 4 obs

○ 2020-02-20 10:49:24
● 2021-09-11 18:09:02
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.227.76.532021-09-11 → 2021-09-11 · 4 obs

○ 2020-02-20 10:49:24
● 2021-09-11 18:09:02
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.227.76.682021-09-11 → 2021-09-11 · 4 obs

○ 2020-02-20 10:49:24
● 2021-09-11 18:09:02
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.227.76.732021-09-11 → 2021-09-11 · 4 obs

○ 2020-02-20 10:49:24
● 2021-09-11 18:09:02
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.32.104.152026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-16 17:55:54
● 2026-04-20 03:33:40
○ 2026-04-20 08:08:22
○ 2026-07-16 04:33:42

○A13.32.104.672026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-16 17:55:54
● 2026-04-20 03:33:40
○ 2026-04-20 08:08:22
○ 2026-07-16 04:33:42

○A13.32.104.782026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-16 17:55:54
● 2026-04-20 03:33:40
○ 2026-04-20 08:08:22
○ 2026-07-16 04:33:42

○A13.32.104.92026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-16 17:55:54
● 2026-04-20 03:33:40
○ 2026-04-20 08:08:22
○ 2026-07-16 04:33:42

○A13.32.179.1222026-03-28 → 2026-07-13 · 18 obs

○ 2026-03-28 02:16:28
● 2026-03-28 17:19:28
○ 2026-03-29 10:03:32
○ 2026-03-30 02:06:08
● 2026-03-30 02:46:58
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○ 2026-05-25 05:27:20
● 2026-06-19 14:04:02
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● 2026-06-22 21:32:02
● 2026-06-25 15:09:48
○ 2026-06-26 00:58:22
○ 2026-07-02 12:46:34
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○ 2026-07-02 17:02:20
● 2026-07-13 03:21:40
○ 2026-07-13 04:41:36
○ 2026-07-16 04:33:42

○A13.32.179.342026-03-28 → 2026-07-13 · 18 obs

○A13.32.179.562026-03-28 → 2026-07-13 · 18 obs

○A13.32.179.572026-03-28 → 2026-07-13 · 18 obs

○A13.33.109.102026-03-09 → 2026-05-20 · 17 obs

○ 2026-03-05 06:23:00
● 2026-03-09 00:36:28
○ 2026-03-09 03:08:18
○ 2026-04-16 08:51:56
● 2026-04-16 12:22:46
○ 2026-04-16 17:55:54
○ 2026-04-25 20:06:36
● 2026-04-26 02:17:50
○ 2026-04-26 08:48:10
○ 2026-05-15 13:02:56
● 2026-05-15 14:52:50
● 2026-05-15 21:20:58
○ 2026-05-15 23:33:08
○ 2026-05-19 23:34:28
● 2026-05-20 03:05:40
○ 2026-05-20 04:53:52
○ 2026-07-16 04:33:42

○A13.33.109.1122026-03-09 → 2026-05-20 · 17 obs

○A13.33.109.1252026-03-09 → 2026-05-20 · 17 obs

○A13.33.109.852026-03-09 → 2026-05-20 · 17 obs

○A13.33.151.1092017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.1812017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.2162017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.2282017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.2412017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.2482017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.512017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.151.842017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A13.33.82.142026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-26 08:48:10
● 2026-05-08 02:01:02
○ 2026-05-08 03:22:08
○ 2026-07-16 04:33:42

○A13.33.82.172026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-26 08:48:10
● 2026-05-08 02:01:02
○ 2026-05-08 03:22:08
○ 2026-07-16 04:33:42

○A13.33.82.192026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-26 08:48:10
● 2026-05-08 02:01:02
○ 2026-05-08 03:22:08
○ 2026-07-16 04:33:42

○A13.33.82.932026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-26 08:48:10
● 2026-05-08 02:01:02
○ 2026-05-08 03:22:08
○ 2026-07-16 04:33:42

○A13.33.96.1652020-02-20 → 2020-02-20 · 4 obs

○ 2017-11-02 08:20:54
● 2020-02-20 10:49:24
○ 2021-09-11 18:09:02
○ 2026-07-16 04:33:42

○A13.33.96.182020-02-20 → 2020-02-20 · 4 obs

○ 2017-11-02 08:20:54
● 2020-02-20 10:49:24
○ 2021-09-11 18:09:02
○ 2026-07-16 04:33:42

○A13.33.96.1872020-02-20 → 2020-02-20 · 4 obs

○ 2017-11-02 08:20:54
● 2020-02-20 10:49:24
○ 2021-09-11 18:09:02
○ 2026-07-16 04:33:42

○A13.33.96.2152020-02-20 → 2020-02-20 · 4 obs

○ 2017-11-02 08:20:54
● 2020-02-20 10:49:24
○ 2021-09-11 18:09:02
○ 2026-07-16 04:33:42

○A13.35.196.102026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 06:29:54
● 2026-03-30 10:07:46
○ 2026-03-30 11:22:38
○ 2026-07-16 04:33:42

○A13.35.196.1282026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 06:29:54
● 2026-03-30 10:07:46
○ 2026-03-30 11:22:38
○ 2026-07-16 04:33:42

○A13.35.196.472026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 06:29:54
● 2026-03-30 10:07:46
○ 2026-03-30 11:22:38
○ 2026-07-16 04:33:42

○A13.35.196.52026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 06:29:54
● 2026-03-30 10:07:46
○ 2026-03-30 11:22:38
○ 2026-07-16 04:33:42

○A18.165.25.1182026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-28 17:19:28
● 2026-03-29 10:03:32
○ 2026-03-29 12:26:16
○ 2026-07-16 04:33:42

○A18.165.25.1232026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-28 17:19:28
● 2026-03-29 10:03:32
○ 2026-03-29 12:26:16
○ 2026-07-16 04:33:42

○A18.165.25.192026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-28 17:19:28
● 2026-03-29 10:03:32
○ 2026-03-29 12:26:16
○ 2026-07-16 04:33:42

○A18.165.25.282026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-28 17:19:28
● 2026-03-29 10:03:32
○ 2026-03-29 12:26:16
○ 2026-07-16 04:33:42

○A18.172.88.1292026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-18 14:19:12
● 2026-02-23 09:40:16
○ 2026-02-23 18:30:42
○ 2026-07-16 04:33:42

○A18.172.88.252026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-18 14:19:12
● 2026-02-23 09:40:16
○ 2026-02-23 18:30:42
○ 2026-07-16 04:33:42

○A18.172.88.702026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-18 14:19:12
● 2026-02-23 09:40:16
○ 2026-02-23 18:30:42
○ 2026-07-16 04:33:42

○A18.172.88.922026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-18 14:19:12
● 2026-02-23 09:40:16
○ 2026-02-23 18:30:42
○ 2026-07-16 04:33:42

●A18.238.4.102026-03-30 → 2026-07-16 · 27 obs

○ 2026-03-30 02:46:58
● 2026-03-30 03:56:46
○ 2026-03-30 06:29:54
○ 2026-03-31 00:35:08
● 2026-03-31 02:00:56
○ 2026-03-31 03:27:26
○ 2026-04-14 08:32:58
● 2026-04-14 12:37:14
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● 2026-05-08 17:36:54
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● 2026-07-12 18:18:16
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● 2026-07-14 13:23:54
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● 2026-07-15 01:53:52
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● 2026-07-15 14:17:44
○ 2026-07-15 16:32:12
● 2026-07-16 04:33:38
● 2026-07-16 04:33:42

●A18.238.4.1182026-03-30 → 2026-07-16 · 27 obs

●A18.238.4.322026-03-30 → 2026-07-16 · 27 obs

●A18.238.4.372026-03-30 → 2026-07-16 · 27 obs

○A18.238.55.202026-03-14 → 2026-05-20 · 17 obs

○ 2026-03-11 19:47:34
● 2026-03-14 14:24:46
○ 2026-03-14 15:47:20
○ 2026-03-22 15:53:06
● 2026-03-22 17:32:24
○ 2026-03-22 19:44:08
○ 2026-04-02 20:53:40
● 2026-04-03 00:00:32
○ 2026-04-03 01:22:12
○ 2026-04-10 05:11:54
● 2026-04-10 05:49:38
● 2026-04-10 08:23:16
○ 2026-04-10 13:39:34
○ 2026-05-20 15:30:40
● 2026-05-20 17:29:54
○ 2026-05-20 18:58:20
○ 2026-07-16 04:33:42

○A18.238.55.32026-03-14 → 2026-05-20 · 17 obs

○A18.238.55.352026-03-14 → 2026-05-20 · 17 obs

○A18.238.55.922026-03-14 → 2026-05-20 · 17 obs

○A18.239.236.1092026-02-15 → 2026-02-17 · 8 obs

○ 2026-02-15 07:13:16
● 2026-02-15 17:18:00
● 2026-02-16 02:52:16
○ 2026-02-16 20:58:18
○ 2026-02-16 22:03:52
● 2026-02-17 00:31:04
○ 2026-02-18 00:25:22
○ 2026-07-16 04:33:42

○A18.239.236.1162026-02-15 → 2026-02-17 · 8 obs

○ 2026-02-15 07:13:16
● 2026-02-15 17:18:00
● 2026-02-16 02:52:16
○ 2026-02-16 20:58:18
○ 2026-02-16 22:03:52
● 2026-02-17 00:31:04
○ 2026-02-18 00:25:22
○ 2026-07-16 04:33:42

○A18.239.236.752026-02-15 → 2026-02-17 · 8 obs

○ 2026-02-15 07:13:16
● 2026-02-15 17:18:00
● 2026-02-16 02:52:16
○ 2026-02-16 20:58:18
○ 2026-02-16 22:03:52
● 2026-02-17 00:31:04
○ 2026-02-18 00:25:22
○ 2026-07-16 04:33:42

○A18.239.236.772026-02-15 → 2026-02-17 · 8 obs

○ 2026-02-15 07:13:16
● 2026-02-15 17:18:00
● 2026-02-16 02:52:16
○ 2026-02-16 20:58:18
○ 2026-02-16 22:03:52
● 2026-02-17 00:31:04
○ 2026-02-18 00:25:22
○ 2026-07-16 04:33:42

○A205.251.203.1062017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.1262017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.1372017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.1672017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.1972017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.2012017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.2092017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A205.251.203.302017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A216.137.52.762026-05-30 → 2026-06-02 · 14 obs

○ 2026-05-29 21:58:46
● 2026-05-30 12:30:48
○ 2026-05-30 17:13:52
○ 2026-05-31 20:59:24
● 2026-06-01 03:24:26
○ 2026-06-01 04:43:08
○ 2026-06-02 07:09:14
● 2026-06-02 08:53:00
● 2026-06-02 09:47:58
○ 2026-06-02 11:19:50
○ 2026-06-02 17:50:48
● 2026-06-02 19:19:48
○ 2026-06-02 22:05:28
○ 2026-07-16 04:33:42

○A216.137.52.82026-05-30 → 2026-06-02 · 14 obs

○A216.137.52.872026-05-30 → 2026-06-02 · 14 obs

○A216.137.52.912026-05-30 → 2026-06-02 · 14 obs

○A3.161.150.132026-04-07 → 2026-05-20 · 18 obs

○ 2026-04-06 17:42:38
● 2026-04-07 12:05:52
○ 2026-04-07 13:36:54
○ 2026-04-07 14:13:04
● 2026-04-07 15:25:54
● 2026-04-07 18:37:58
○ 2026-04-08 01:13:32
○ 2026-04-09 04:01:24
● 2026-04-09 08:43:16
● 2026-04-09 11:16:06
○ 2026-04-09 16:51:50
○ 2026-04-14 14:47:54
● 2026-04-14 18:05:52
○ 2026-04-14 21:05:26
○ 2026-05-20 18:58:20
● 2026-05-20 22:49:54
○ 2026-05-21 00:53:44
○ 2026-07-16 04:33:42

○A3.161.150.312026-04-07 → 2026-05-20 · 18 obs

○A3.161.150.372026-04-07 → 2026-05-20 · 18 obs

○A3.161.150.792026-04-07 → 2026-05-20 · 18 obs

○A3.166.160.1112026-03-31 → 2026-07-15 · 36 obs

○ 2026-03-31 03:27:26
● 2026-03-31 12:03:48
○ 2026-03-31 15:49:16
○ 2026-04-10 00:16:44
● 2026-04-10 03:53:50
○ 2026-04-10 05:49:38
○ 2026-06-17 13:44:30
● 2026-06-30 22:43:28
○ 2026-07-01 15:55:10
● 2026-07-02 17:02:20
○ 2026-07-04 07:06:40
○ 2026-07-05 10:01:50
● 2026-07-07 10:11:04
● 2026-07-12 09:03:28
○ 2026-07-12 18:18:16
● 2026-07-12 23:07:26
○ 2026-07-13 03:21:40
● 2026-07-13 04:41:36
○ 2026-07-13 07:21:26
● 2026-07-13 14:39:38
○ 2026-07-13 18:28:28
● 2026-07-13 21:07:04
○ 2026-07-13 23:43:44
● 2026-07-14 07:31:54
○ 2026-07-14 08:19:22
● 2026-07-14 15:26:30
○ 2026-07-15 01:53:52
● 2026-07-15 06:06:22
○ 2026-07-15 08:52:22
● 2026-07-15 11:23:56
○ 2026-07-15 11:54:20
● 2026-07-15 16:32:12
○ 2026-07-15 18:18:58
● 2026-07-15 22:57:52
○ 2026-07-16 00:36:30
○ 2026-07-16 04:33:42

○A3.166.160.352026-03-31 → 2026-07-15 · 36 obs

○A3.166.160.382026-03-31 → 2026-07-15 · 36 obs

○A3.166.160.482026-03-31 → 2026-07-15 · 36 obs

○A3.171.38.1092026-02-16 → 2026-07-12 · 17 obs

○ 2026-02-16 02:52:16
● 2026-02-16 20:58:18
● 2026-02-16 22:03:52
○ 2026-02-17 00:31:04
● 2026-02-18 00:25:22
○ 2026-02-18 04:36:38
○ 2026-06-19 12:50:26
● 2026-06-21 05:26:16
● 2026-06-30 02:37:24
○ 2026-07-02 13:41:02
○ 2026-07-05 05:41:42
● 2026-07-07 23:38:56
● 2026-07-12 02:31:56
○ 2026-07-12 03:41:40
● 2026-07-12 07:22:16
○ 2026-07-12 09:03:28
○ 2026-07-16 04:33:42

○A3.171.38.42026-02-16 → 2026-07-12 · 17 obs

○A3.171.38.592026-02-16 → 2026-07-12 · 17 obs

○A3.171.38.642026-02-16 → 2026-07-12 · 17 obs

○A52.222.177.352026-02-18 → 2026-04-22 · 18 obs

○ 2026-02-18 00:25:22
● 2026-02-18 04:36:38
● 2026-02-18 08:02:02
○ 2026-02-18 10:51:04
● 2026-02-18 14:19:12
● 2026-02-27 09:23:36
○ 2026-02-28 04:26:46
○ 2026-03-04 02:04:10
● 2026-03-05 06:23:00
● 2026-03-26 08:19:44
○ 2026-03-28 17:19:28
● 2026-03-29 12:26:16
● 2026-04-21 22:15:44
○ 2026-04-22 00:36:38
● 2026-04-22 03:54:04
● 2026-04-22 17:24:06
○ 2026-04-23 01:24:22
○ 2026-07-16 04:33:42

○A52.222.177.472026-02-18 → 2026-04-22 · 18 obs

○A52.222.177.52026-02-18 → 2026-04-22 · 18 obs

○A52.222.177.872026-02-18 → 2026-04-22 · 18 obs

○A52.222.227.1052017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.1392017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.1832017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.1982017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.2052017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.2312017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.482017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.227.952017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.222.244.1292026-07-03 → 2026-07-11 · 18 obs

○ 2026-07-02 17:02:20
● 2026-07-03 00:51:26
○ 2026-07-03 04:52:36
● 2026-07-03 06:21:14
○ 2026-07-03 09:57:12
○ 2026-07-03 19:19:30
● 2026-07-04 07:06:40
● 2026-07-05 10:01:50
○ 2026-07-07 10:11:04
○ 2026-07-08 05:48:24
● 2026-07-09 14:25:22
○ 2026-07-09 15:58:18
● 2026-07-10 05:08:50
● 2026-07-11 01:41:08
○ 2026-07-11 03:11:24
● 2026-07-11 05:08:18
○ 2026-07-11 06:37:44
○ 2026-07-16 04:33:42

○A52.222.244.552026-07-03 → 2026-07-11 · 18 obs

○A52.222.244.682026-07-03 → 2026-07-11 · 18 obs

○A52.222.244.912026-07-03 → 2026-07-11 · 18 obs

○A52.84.125.1032017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.112017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.2162017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.2292017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.2362017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.432017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.532017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.125.602017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.84.20.382026-02-15 → 2026-03-19 · 17 obs

○ 2021-09-11 18:09:02
● 2026-02-15 07:13:16
○ 2026-02-15 17:18:00
○ 2026-02-18 08:02:02
● 2026-02-18 10:51:04
○ 2026-02-18 14:19:12
○ 2026-03-03 03:10:06
● 2026-03-03 13:16:40
● 2026-03-04 02:04:10
○ 2026-03-04 13:01:22
○ 2026-03-10 18:54:04
● 2026-03-11 06:03:40
○ 2026-03-11 19:47:34
○ 2026-03-19 08:34:10
● 2026-03-19 21:08:10
○ 2026-03-19 22:18:30
○ 2026-07-16 04:33:42

○A52.84.20.62026-02-15 → 2026-03-19 · 17 obs

○A52.84.20.772026-02-15 → 2026-03-19 · 17 obs

○A52.84.20.932026-02-15 → 2026-03-19 · 17 obs

○A52.85.101.122017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.2162017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.2182017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.222017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.2252017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.252017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.62017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A52.85.101.802017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.136.1352017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.1542017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.1732017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.1832017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.1942017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.212017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.2282017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.136.2452017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2020-02-20 10:49:24
○ 2026-07-16 04:33:42

○A54.192.146.1262017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.1362017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.1692017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.1942017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.2012017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.2042017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.2222017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.146.2302017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.1302017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.1412017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.1842017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.2082017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.2412017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.532017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.602017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.28.782017-11-02 → 2017-11-02 · 3 obs

● 2017-11-02 08:20:54
○ 2026-02-15 07:13:16
○ 2026-07-16 04:33:42

○A54.192.55.1012026-05-19 → 2026-06-08 · 18 obs

○ 2026-05-19 15:24:40
● 2026-05-19 17:11:26
● 2026-05-19 23:34:28
○ 2026-05-20 03:05:40
○ 2026-05-20 06:39:52
● 2026-05-20 11:48:22
● 2026-05-28 08:49:42
○ 2026-05-29 02:37:16
● 2026-05-29 21:58:46
● 2026-05-31 05:37:46
○ 2026-05-31 10:41:22
○ 2026-06-01 12:57:10
● 2026-06-01 15:20:56
● 2026-06-08 05:18:38
○ 2026-06-08 06:42:56
● 2026-06-08 07:15:56
○ 2026-06-08 11:22:18
○ 2026-07-16 04:33:42

○A54.192.55.1022026-05-19 → 2026-06-08 · 18 obs

○A54.192.55.212026-05-19 → 2026-06-08 · 18 obs

○A54.192.55.872026-05-19 → 2026-06-08 · 18 obs

○A54.230.114.1072026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 22:18:30
● 2026-03-22 11:49:40
○ 2026-03-22 15:53:06
○ 2026-07-16 04:33:42

○A54.230.114.1212026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 22:18:30
● 2026-03-22 11:49:40
○ 2026-03-22 15:53:06
○ 2026-07-16 04:33:42

○A54.230.114.142026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 22:18:30
● 2026-03-22 11:49:40
○ 2026-03-22 15:53:06
○ 2026-07-16 04:33:42

○A54.230.114.862026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 22:18:30
● 2026-03-22 11:49:40
○ 2026-03-22 15:53:06
○ 2026-07-16 04:33:42

○A54.230.201.132026-04-23 → 2026-07-08 · 18 obs

○ 2026-04-22 17:24:06
● 2026-04-23 01:24:22
● 2026-04-23 01:55:46
○ 2026-04-23 06:23:36
● 2026-04-23 13:13:58
● 2026-05-19 07:20:06
○ 2026-05-19 15:24:40
○ 2026-06-08 16:52:30
● 2026-06-09 00:08:46
● 2026-06-19 16:18:18
○ 2026-06-20 08:16:14
○ 2026-06-23 15:08:12
● 2026-06-24 13:43:04
● 2026-06-30 10:09:42
○ 2026-06-30 22:43:28
● 2026-07-08 17:30:06
○ 2026-07-08 18:54:54
○ 2026-07-16 04:33:42

○A54.230.201.142026-04-23 → 2026-07-08 · 18 obs

○A54.230.201.262026-04-23 → 2026-07-08 · 18 obs

○A54.230.201.562026-04-23 → 2026-07-08 · 18 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
stmath.com	ns-22.awsdns-02.com, ns-877.awsdns-45.net, ns-1041.awsdns-02.org, ns-1863.awsdns-40.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.71

NS records: ns-22.awsdns-02.com, ns-877.awsdns-45.net, ns-1041.awsdns-02.org, ns-1863.awsdns-40.co.uk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 821ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.10, 18.238.4.32...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-22.awsdns-02.com, ns-22.awsdns-02.com)

Analysis

IP Addresses

learn.stmath.com directs to four IP numbers, which are 18.238.4.10, 18.238.4.32, 18.238.4.37 and 18.238.4.118.

react-dev.com, www.bdsmtreffen.de, 170.breatheright.ca plus two other host names have IP numbers in common with learn.stmath.com.