sphclass.com - dns.ninja

`sphclass.com`

DNSSEC	⚠️ Not signed
A	13.227.207.17^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
		PTR	`server-13-227-207-17.gru3.r.cloudfront.net`
A	13.227.207.40^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.59^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.105^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
NS	`ns-541.awsdns-03.net` ⭐
		A	2600:9000:5302:1d00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-541.awsdns-03.net`
		A	205.251.194.29^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-541.awsdns-03.net`
NS	`ns-1518.awsdns-61.org`
		A	2600:9000:5305:ee00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1518.awsdns-61.org`
		A	205.251.197.238^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1518.awsdns-61.org`
NS	`ns-1780.awsdns-30.co.uk`
		A	2600:9000:5306:f400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1780.awsdns-30.co.uk`
		A	205.251.198.244^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1780.awsdns-30.co.uk`
NS	`ns-300.awsdns-37.com`
		A	2600:9000:5301:2c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-300.awsdns-37.com`
		A	205.251.193.44^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-300.awsdns-37.com`
TXT	`HFNL75JA5T6HRR59M1BPUTPG98`
TXT	`bhrse4tbk9odipee2ljkg54ico`
TXT	`g2gth0x2k0qnzd8znv629x9qw6wzvjmw`
TXT	`kw4vyjb4j0jtx327vshpzscgrmwcxfjq`
TXT	`pbtvjqpfnf1vj2h5ocbja1em08`
TXT	`tsr8n85m1b283f6yzrx39bbyl0brklb6`
TXT	`zkms8z1vgxwgpkq7vcmvhmy1skk53tw3`
SOA	`ns-541.awsdns-03.net`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783928642

Subdomains

www.sphclass.com

Same first word

sphclass.com

sphclass.com.sg

sphclass.sg

DNS History

82 records (8 active, 74 former)

●NSns-1518.awsdns-61.org2015-06-26 → 2026-07-13 · 2 obs

● 2015-06-26 12:50:30
● 2026-07-13 08:01:38

●NSns-1780.awsdns-30.co.uk2015-06-26 → 2026-07-13 · 2 obs

● 2015-06-26 12:50:30
● 2026-07-13 08:01:38

●NSns-300.awsdns-37.com2015-06-26 → 2026-07-13 · 2 obs

● 2015-06-26 12:50:30
● 2026-07-13 08:01:38

●NSns-541.awsdns-03.net2015-06-26 → 2026-07-13 · 2 obs

● 2015-06-26 12:50:30
● 2026-07-13 08:01:38

○A108.139.134.1052026-04-11 → 2026-06-08 · 21 obs

○ 2026-04-02 00:50:12
● 2026-04-11 00:15:40
● 2026-04-11 01:13:46
○ 2026-04-11 01:47:14
○ 2026-04-11 02:23:38
● 2026-04-11 05:37:42
○ 2026-04-11 11:05:18
● 2026-04-11 17:19:30
○ 2026-04-12 01:56:28
○ 2026-04-15 04:20:20
● 2026-04-15 08:37:32
● 2026-04-15 15:17:20
○ 2026-04-15 21:56:16
○ 2026-04-18 11:50:38
● 2026-04-18 16:30:34
● 2026-04-19 05:10:50
○ 2026-04-19 05:53:36
○ 2026-06-07 23:59:20
● 2026-06-08 01:08:40
○ 2026-06-08 07:58:44
○ 2026-07-13 08:01:38

○A108.139.134.1162026-04-11 → 2026-06-08 · 21 obs

○A108.139.134.402026-04-11 → 2026-06-08 · 21 obs

○A108.139.134.562026-04-11 → 2026-06-08 · 21 obs

○A108.139.29.1292026-03-07 → 2026-03-08 · 6 obs

○ 2026-03-02 17:43:20
● 2026-03-07 19:08:12
○ 2026-03-07 21:27:20
● 2026-03-08 00:12:44
○ 2026-03-08 06:07:40
○ 2026-07-13 08:01:38

○A108.139.29.182026-03-07 → 2026-03-08 · 6 obs

○ 2026-03-02 17:43:20
● 2026-03-07 19:08:12
○ 2026-03-07 21:27:20
● 2026-03-08 00:12:44
○ 2026-03-08 06:07:40
○ 2026-07-13 08:01:38

○A108.139.29.832026-03-07 → 2026-03-08 · 6 obs

○ 2026-03-02 17:43:20
● 2026-03-07 19:08:12
○ 2026-03-07 21:27:20
● 2026-03-08 00:12:44
○ 2026-03-08 06:07:40
○ 2026-07-13 08:01:38

○A108.139.29.952026-03-07 → 2026-03-08 · 6 obs

○ 2026-03-02 17:43:20
● 2026-03-07 19:08:12
○ 2026-03-07 21:27:20
● 2026-03-08 00:12:44
○ 2026-03-08 06:07:40
○ 2026-07-13 08:01:38

○A13.224.125.1052026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 23:33:44
● 2026-06-17 13:27:18
○ 2026-06-17 15:35:04
○ 2026-07-13 08:01:38

○A13.224.125.1132026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 23:33:44
● 2026-06-17 13:27:18
○ 2026-06-17 15:35:04
○ 2026-07-13 08:01:38

○A13.224.125.22026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 23:33:44
● 2026-06-17 13:27:18
○ 2026-06-17 15:35:04
○ 2026-07-13 08:01:38

○A13.224.125.472026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 23:33:44
● 2026-06-17 13:27:18
○ 2026-06-17 15:35:04
○ 2026-07-13 08:01:38

○A13.225.47.102026-05-19 → 2026-07-02 · 26 obs

○ 2026-05-19 07:33:02
● 2026-05-19 09:49:42
● 2026-05-19 21:29:12
○ 2026-05-20 01:13:50
○ 2026-05-21 01:35:42
● 2026-05-21 10:44:30
● 2026-05-29 00:53:24
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● 2026-05-30 08:46:56
● 2026-05-31 08:56:10
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● 2026-06-01 23:10:58
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● 2026-06-02 14:10:22
● 2026-06-07 14:27:16
○ 2026-06-07 22:37:40
○ 2026-06-08 01:08:40
● 2026-06-08 07:58:44
○ 2026-06-08 10:32:36
● 2026-07-01 18:29:18
○ 2026-07-01 23:25:56
● 2026-07-02 00:02:24
○ 2026-07-02 05:14:26
○ 2026-07-13 08:01:38

○A13.225.47.1262026-05-19 → 2026-07-02 · 26 obs

○A13.225.47.732026-05-19 → 2026-07-02 · 26 obs

○A13.225.47.992026-05-19 → 2026-07-02 · 26 obs

○A13.227.173.1212026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 15:13:28
● 2026-02-28 23:26:32
○ 2026-03-01 05:39:18
○ 2026-07-13 08:01:38

○A13.227.173.532026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 15:13:28
● 2026-02-28 23:26:32
○ 2026-03-01 05:39:18
○ 2026-07-13 08:01:38

○A13.227.173.562026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 15:13:28
● 2026-02-28 23:26:32
○ 2026-03-01 05:39:18
○ 2026-07-13 08:01:38

○A13.227.173.922026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 15:13:28
● 2026-02-28 23:26:32
○ 2026-03-01 05:39:18
○ 2026-07-13 08:01:38

●A13.227.207.1052026-03-31 → 2026-07-13 · 57 obs

○ 2026-03-22 17:13:50
● 2026-03-31 02:07:50
○ 2026-03-31 03:24:46
○ 2026-03-31 09:51:28
● 2026-03-31 10:33:24
○ 2026-03-31 11:05:34
○ 2026-05-20 15:59:52
● 2026-05-21 01:35:42
○ 2026-05-21 10:44:30
○ 2026-05-29 00:53:24
● 2026-05-29 08:35:20
● 2026-05-29 17:46:30
○ 2026-05-30 08:46:56
○ 2026-05-31 08:56:10
● 2026-05-31 14:42:14
○ 2026-06-01 18:18:02
○ 2026-06-15 17:37:58
● 2026-06-15 20:50:20
○ 2026-06-15 23:34:52
● 2026-07-01 05:19:00
○ 2026-07-01 18:29:18
● 2026-07-02 05:14:26
○ 2026-07-03 02:00:02
● 2026-07-03 12:01:44
○ 2026-07-03 16:08:18
● 2026-07-03 22:17:26
○ 2026-07-04 15:33:32
● 2026-07-04 17:32:22
○ 2026-07-04 22:05:50
● 2026-07-04 23:46:40
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● 2026-07-07 09:09:12
○ 2026-07-07 10:13:58
● 2026-07-07 12:32:30
○ 2026-07-09 05:24:44
● 2026-07-09 07:16:48
○ 2026-07-09 15:17:46
● 2026-07-09 16:31:14
○ 2026-07-09 22:00:06
● 2026-07-09 23:30:10
○ 2026-07-10 02:31:00
● 2026-07-10 05:49:10
○ 2026-07-10 22:27:24
● 2026-07-11 00:33:24
○ 2026-07-11 04:22:12
● 2026-07-11 06:28:50
○ 2026-07-11 09:43:40
● 2026-07-11 12:43:50
○ 2026-07-11 17:43:08
● 2026-07-11 19:43:06
○ 2026-07-11 22:23:52
● 2026-07-12 06:58:54
○ 2026-07-12 08:06:40
● 2026-07-12 09:02:56
○ 2026-07-13 06:21:10
● 2026-07-13 07:24:30
● 2026-07-13 08:01:38

●A13.227.207.172026-03-31 → 2026-07-13 · 57 obs

●A13.227.207.402026-03-31 → 2026-07-13 · 57 obs

●A13.227.207.592026-03-31 → 2026-07-13 · 57 obs

○A13.249.228.192026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:45:10
● 2026-03-22 10:38:12
○ 2026-03-22 17:13:50
○ 2026-07-13 08:01:38

○A13.249.228.342026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:45:10
● 2026-03-22 10:38:12
○ 2026-03-22 17:13:50
○ 2026-07-13 08:01:38

○A13.249.228.482026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:45:10
● 2026-03-22 10:38:12
○ 2026-03-22 17:13:50
○ 2026-07-13 08:01:38

○A13.249.228.992026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:45:10
● 2026-03-22 10:38:12
○ 2026-03-22 17:13:50
○ 2026-07-13 08:01:38

○A13.33.109.1282026-04-21 → 2026-05-20 · 20 obs

○ 2026-04-19 05:53:36
● 2026-04-21 19:57:54
○ 2026-04-21 20:32:06
○ 2026-04-24 13:09:28
● 2026-04-24 16:32:02
○ 2026-04-24 18:17:54
○ 2026-05-03 09:56:54
● 2026-05-03 13:59:58
○ 2026-05-03 22:38:00
○ 2026-05-04 16:31:36
● 2026-05-04 20:10:30
○ 2026-05-05 11:20:12
○ 2026-05-13 03:57:06
● 2026-05-13 08:27:16
● 2026-05-13 15:51:58
○ 2026-05-13 22:05:22
○ 2026-05-20 13:05:38
● 2026-05-20 13:56:40
○ 2026-05-20 15:59:52
○ 2026-07-13 08:01:38

○A13.33.109.752026-04-21 → 2026-05-20 · 20 obs

○A13.33.109.832026-04-21 → 2026-05-20 · 20 obs

○A13.33.109.932026-04-21 → 2026-05-20 · 20 obs

○A13.35.107.1022026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-12 09:02:56
● 2026-07-13 06:21:10
○ 2026-07-13 07:24:30
○ 2026-07-13 08:01:38

○A13.35.107.122026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-12 09:02:56
● 2026-07-13 06:21:10
○ 2026-07-13 07:24:30
○ 2026-07-13 08:01:38

○A13.35.107.162026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-12 09:02:56
● 2026-07-13 06:21:10
○ 2026-07-13 07:24:30
○ 2026-07-13 08:01:38

○A13.35.107.52026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-12 09:02:56
● 2026-07-13 06:21:10
○ 2026-07-13 07:24:30
○ 2026-07-13 08:01:38

○A143.204.29.172026-03-31 → 2026-06-28 · 39 obs

○ 2026-03-31 10:33:24
● 2026-03-31 11:05:34
○ 2026-03-31 13:56:52
○ 2026-04-01 08:42:02
● 2026-04-01 12:19:28
○ 2026-04-01 16:22:30
● 2026-04-01 19:27:24
○ 2026-04-02 00:50:12
○ 2026-06-18 06:00:24
● 2026-06-18 09:12:36
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○ 2026-06-18 15:52:14
● 2026-06-18 22:39:20
○ 2026-06-19 07:32:36
● 2026-06-19 22:45:04
○ 2026-06-20 01:59:46
● 2026-06-20 08:22:10
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● 2026-06-20 09:40:52
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● 2026-06-23 07:27:50
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● 2026-06-23 22:12:10
○ 2026-06-24 00:32:56
● 2026-06-24 05:00:46
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● 2026-06-24 21:34:18
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● 2026-06-26 03:24:56
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● 2026-06-26 11:29:12
○ 2026-06-26 13:50:48
● 2026-06-27 04:10:44
○ 2026-06-27 04:59:48
● 2026-06-27 18:56:06
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● 2026-06-28 00:38:14
○ 2026-06-28 04:01:48
○ 2026-07-13 08:01:38

○A143.204.29.202026-03-31 → 2026-06-28 · 39 obs

○A143.204.29.522026-03-31 → 2026-06-28 · 39 obs

○A143.204.29.82026-03-31 → 2026-06-28 · 39 obs

○A18.161.21.1132026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 20:37:28
● 2026-05-07 21:57:36
○ 2026-05-07 22:52:54
○ 2026-07-13 08:01:38

○A18.161.21.382026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 20:37:28
● 2026-05-07 21:57:36
○ 2026-05-07 22:52:54
○ 2026-07-13 08:01:38

○A18.161.21.482026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 20:37:28
● 2026-05-07 21:57:36
○ 2026-05-07 22:52:54
○ 2026-07-13 08:01:38

○A18.161.21.702026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-06 20:37:28
● 2026-05-07 21:57:36
○ 2026-05-07 22:52:54
○ 2026-07-13 08:01:38

○A18.244.140.1132026-02-16 → 2026-06-30 · 47 obs

○ 2026-02-15 09:20:30
● 2026-02-16 02:44:26
● 2026-02-16 23:51:14
○ 2026-02-17 02:11:44
● 2026-02-17 06:28:18
● 2026-02-26 07:17:26
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● 2026-05-13 03:57:06
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● 2026-05-15 23:14:46
● 2026-05-19 07:33:02
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● 2026-06-08 10:32:36
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● 2026-06-26 04:28:36
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● 2026-06-26 13:50:48
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● 2026-06-27 04:59:48
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● 2026-06-27 23:35:34
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● 2026-06-28 04:01:48
○ 2026-06-30 10:13:28
● 2026-06-30 11:18:34
○ 2026-06-30 16:07:52
○ 2026-07-13 08:01:38

○A18.244.140.1202026-02-16 → 2026-06-30 · 47 obs

○A18.244.140.922026-02-16 → 2026-06-30 · 47 obs

○A18.244.140.952026-02-16 → 2026-06-30 · 47 obs

○A18.64.183.1172026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-21 10:44:30
● 2026-05-28 10:51:16
○ 2026-05-28 11:33:24
○ 2026-07-13 08:01:38

○A18.64.183.252026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-21 10:44:30
● 2026-05-28 10:51:16
○ 2026-05-28 11:33:24
○ 2026-07-13 08:01:38

○A18.64.183.652026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-21 10:44:30
● 2026-05-28 10:51:16
○ 2026-05-28 11:33:24
○ 2026-07-13 08:01:38

○A18.64.183.662026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-21 10:44:30
● 2026-05-28 10:51:16
○ 2026-05-28 11:33:24
○ 2026-07-13 08:01:38

○A18.64.207.382026-04-16 → 2026-07-03 · 22 obs

○ 2026-04-15 21:56:16
● 2026-04-16 10:45:52
○ 2026-04-16 12:06:42
○ 2026-04-23 01:22:36
● 2026-04-23 01:59:56
○ 2026-04-23 06:26:06
○ 2026-05-03 04:11:04
● 2026-05-03 06:51:44
○ 2026-05-03 09:56:54
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● 2026-05-06 15:14:50
● 2026-05-06 17:32:30
○ 2026-05-06 20:37:28
○ 2026-05-15 11:18:24
● 2026-05-15 12:18:42
● 2026-05-15 13:55:04
○ 2026-05-15 14:51:34
● 2026-07-01 23:25:56
○ 2026-07-02 00:02:24
● 2026-07-03 04:26:24
○ 2026-07-03 08:19:44
○ 2026-07-13 08:01:38

○A18.64.207.542026-04-16 → 2026-07-03 · 22 obs

○A18.64.207.762026-04-16 → 2026-07-03 · 22 obs

○A18.64.207.922026-04-16 → 2026-07-03 · 22 obs

○A202.27.23.1062015-06-26 → 2016-04-27 · 4 obs

● 2015-06-26 12:50:30
● 2016-04-27 02:12:24
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○ 2026-07-13 08:01:38

○A202.27.28.362017-04-09 → 2017-04-09 · 4 obs

○ 2016-04-27 02:12:24
● 2017-04-09 05:28:42
○ 2026-02-14 18:25:00
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○A3.162.140.1122026-03-22 → 2026-04-28 · 7 obs

○ 2026-03-18 14:09:24
● 2026-03-22 01:06:22
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○A3.162.140.162026-03-22 → 2026-04-28 · 7 obs

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● 2026-03-22 01:06:22
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○A3.162.140.502026-03-22 → 2026-04-28 · 7 obs

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● 2026-03-22 01:06:22
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○A3.162.140.562026-03-22 → 2026-04-28 · 7 obs

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● 2026-03-22 01:06:22
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○A3.167.56.112026-02-14 → 2026-07-12 · 73 obs

○ 2017-04-09 05:28:42
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○A3.167.56.502026-02-14 → 2026-07-12 · 73 obs

○A3.167.56.592026-02-14 → 2026-07-12 · 73 obs

○A3.167.56.972026-02-14 → 2026-07-12 · 73 obs

○A3.169.252.1042026-02-15 → 2026-07-09 · 28 obs

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○A3.169.252.1142026-02-15 → 2026-07-09 · 28 obs

○A3.169.252.72026-02-15 → 2026-07-09 · 28 obs

○A3.169.252.792026-02-15 → 2026-07-09 · 28 obs

○A52.222.177.1132026-03-15 → 2026-03-15 · 4 obs

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○A52.222.177.182026-03-15 → 2026-03-15 · 4 obs

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○A52.222.177.382026-03-15 → 2026-03-15 · 4 obs

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○A52.222.177.752026-03-15 → 2026-03-15 · 4 obs

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○A54.192.151.1062026-05-30 → 2026-06-02 · 10 obs

○ 2026-05-30 08:46:56
● 2026-05-30 16:25:44
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○A54.192.151.322026-05-30 → 2026-06-02 · 10 obs

○A54.192.151.692026-05-30 → 2026-06-02 · 10 obs

○A54.192.151.922026-05-30 → 2026-06-02 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sphclass.com	ns-541.awsdns-03.net, ns-300.awsdns-37.com, ns-1780.awsdns-30.co.uk, ns-1518.awsdns-61.org	2 records

✅ Authoritative Response

Server:205.251.198.244

NS records: ns-541.awsdns-03.net, ns-300.awsdns-37.com, ns-1780.awsdns-30.co.uk, ns-1518.awsdns-61.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sphclass.com (unsigned zone)

⏱️ Timing

Total: 1637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.16, 13.35.107.12...`
NS	4	`ns-1518.awsdns-61.org, ns-1780.awsdns-30.co.uk...`
TXT	7	`HFNL75JA5T6HRR59M1BPUTPG98, bhrse4tbk9odipee2ljkg54ico...`
SOA	1	`ns-541.awsdns-03.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-300.awsdns-37.com, ns-300.awsdns-37.com)

Analysis

Hierarchy

The domain www.sphclass.com falls under the parent sphclass.com.

IP Addresses

sphclass.com directs to four IP numbers, which are 13.227.207.17, 13.227.207.40, 13.227.207.59 and 13.227.207.105.

playtphoarder.com, www.clubmed.co.uk, www.californiastudentloan.org and two other host names share IP numbers with sphclass.com.

Name Servers

The authoritative name servers for sphclass.com are ns-300.awsdns-37.com, ns-541.awsdns-03.net, ns-1518.awsdns-61.org and ns-1780.awsdns-30.co.uk.

At least some of sphclass.com's name servers are shared with other domains, for example supsis.live, exxonmobilrewardscenter.com, ferrecortes.co and two more.

It is common for these name servers to be used in conjunction with the name servers ns-419.awsdns-52.com, ns-702.awsdns-23.net and ns-1576.awsdns-05.co.uk.

Four hostnames, each resolving to a pair of IP addresses: ns-300.awsdns-37.com directs to 205.251.193.44 and 2600:9000:5301:2c00::1; ns-541.awsdns-03.net directs to 205.251.194.29 and 2600:9000:5302:1d00::1; ns-1518.awsdns-61.org directs to 205.251.197.238 and 2600:9000:5305:ee00::1; ns-1780.awsdns-30.co.uk directs to 205.251.198.244 and 2600:9000:5306:f400::1.