programming-sc.com - dns.ninja

`programming-sc.com`

DNSSEC	⚠️ Not signed
A	18.238.4.2^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.29^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.91^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.113^{🇺🇸 Amazon18.238.4.0/22}
NS	`ns-1284.awsdns-32.org` ⭐
		A	2600:9000:5305:400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1284.awsdns-32.org`
		A	205.251.197.4^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1284.awsdns-32.org`
NS	`ns-1020.awsdns-63.net`
		A	2600:9000:5303:fc00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1020.awsdns-63.net`
		A	205.251.195.252^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1020.awsdns-63.net`
NS	`ns-172.awsdns-21.com`
		A	2600:9000:5300:ac00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-172.awsdns-21.com`
		A	205.251.192.172^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-172.awsdns-21.com`
NS	`ns-1923.awsdns-48.co.uk`
		A	2600:9000:5307:8300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1923.awsdns-48.co.uk`
		A	205.251.199.131^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1923.awsdns-48.co.uk`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`_globalsign-domain-verification=4QDH0Fib45FcBubtqab4r92S1K7Gt3PLlaD77DfQgM`
TXT	`_globalsign-domain-verification=db9h8mbgVReqdar6egs5Y6xoGFPouVvYd5-jivr68d`
TXT	`_globalsign-domain-verification=wJ-64MqgZBkVo0sHXjJgZohcnWtBsEnfoWbAA33z4r`
TXT	`amazonses:ZfSwH/BxYa4UJZaEI9OFpqSuuI3d5x0FAVgx1ZQvMdo=`
TXT	`google-site-verification=ZIhPQHDetp5E66vVaEX__UAhiue6hpOiTFv29tdiz3I`
TXT	`google-site-verification=dG0VHEg1e4qLUn43a-4h8alf6cR5u-HKZiF214mTZeo`
TXT	`v=spf1 include:_spf.google.com +ip4:18.180.94.124 +ip4:158.201.241.166 includ...`
SOA	`ns-1284.awsdns-32.org`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=1785013157

📈 Tranco rank: #552,371

Subdomains

learning.programming-sc.com

cert.programming-sc.com

typing.programming-sc.com

Same first word

programming-sc.com

DNS History

89 records (13 active, 76 former)

○NS01.dnsv.jp2020-01-05 → 2020-01-05 · 3 obs

● 2020-01-05 15:05:18
○ 2026-02-18 15:18:46
○ 2026-07-25 21:17:36

○NS02.dnsv.jp2020-01-05 → 2020-01-05 · 3 obs

● 2020-01-05 15:05:18
○ 2026-02-18 15:18:46
○ 2026-07-25 21:17:36

○NS03.dnsv.jp2020-01-05 → 2020-01-05 · 3 obs

● 2020-01-05 15:05:18
○ 2026-02-18 15:18:46
○ 2026-07-25 21:17:36

○NS04.dnsv.jp2020-01-05 → 2020-01-05 · 3 obs

● 2020-01-05 15:05:18
○ 2026-02-18 15:18:46
○ 2026-07-25 21:17:36

●NSns-1020.awsdns-63.net2026-02-18 → 2026-07-25 · 3 obs

○ 2020-01-05 15:05:18
● 2026-02-18 15:18:46
● 2026-07-25 21:17:36

●NSns-1284.awsdns-32.org2026-02-18 → 2026-07-25 · 3 obs

○ 2020-01-05 15:05:18
● 2026-02-18 15:18:46
● 2026-07-25 21:17:36

●NSns-172.awsdns-21.com2026-02-18 → 2026-07-25 · 3 obs

○ 2020-01-05 15:05:18
● 2026-02-18 15:18:46
● 2026-07-25 21:17:36

●NSns-1923.awsdns-48.co.uk2026-02-18 → 2026-07-25 · 3 obs

○ 2020-01-05 15:05:18
● 2026-02-18 15:18:46
● 2026-07-25 21:17:36

●MXalt1.aspmx.l.google.com2020-01-05 → 2026-07-25 · 8 obs

● 2020-01-05 15:05:18
● 2026-06-12 22:01:02
○ 2026-06-13 02:15:22
● 2026-06-13 03:01:42
● 2026-06-17 05:05:04
○ 2026-06-17 06:21:50
● 2026-06-17 07:12:02
● 2026-07-25 21:17:36

●MXalt2.aspmx.l.google.com2020-01-05 → 2026-07-25 · 8 obs

● 2020-01-05 15:05:18
● 2026-06-12 22:01:02
○ 2026-06-13 02:15:22
● 2026-06-13 03:01:42
● 2026-06-17 05:05:04
○ 2026-06-17 06:21:50
● 2026-06-17 07:12:02
● 2026-07-25 21:17:36

●MXalt3.aspmx.l.google.com2020-01-05 → 2026-07-25 · 8 obs

● 2020-01-05 15:05:18
● 2026-06-12 22:01:02
○ 2026-06-13 02:15:22
● 2026-06-13 03:01:42
● 2026-06-17 05:05:04
○ 2026-06-17 06:21:50
● 2026-06-17 07:12:02
● 2026-07-25 21:17:36

●MXalt4.aspmx.l.google.com2020-01-05 → 2026-07-25 · 8 obs

● 2020-01-05 15:05:18
● 2026-06-12 22:01:02
○ 2026-06-13 02:15:22
● 2026-06-13 03:01:42
● 2026-06-17 05:05:04
○ 2026-06-17 06:21:50
● 2026-06-17 07:12:02
● 2026-07-25 21:17:36

●MXaspmx.l.google.com2020-01-05 → 2026-07-25 · 8 obs

● 2020-01-05 15:05:18
● 2026-06-12 22:01:02
○ 2026-06-13 02:15:22
● 2026-06-13 03:01:42
● 2026-06-17 05:05:04
○ 2026-06-17 06:21:50
● 2026-06-17 07:12:02
● 2026-07-25 21:17:36

○A108.138.217.122026-03-31 → 2026-05-15 · 7 obs

○ 2026-03-30 15:56:48
● 2026-03-31 04:23:34
○ 2026-03-31 12:01:18
○ 2026-05-15 02:39:08
● 2026-05-15 04:02:24
○ 2026-05-16 04:42:26
○ 2026-07-25 21:17:36

○A108.138.217.1292026-03-31 → 2026-05-15 · 7 obs

○ 2026-03-30 15:56:48
● 2026-03-31 04:23:34
○ 2026-03-31 12:01:18
○ 2026-05-15 02:39:08
● 2026-05-15 04:02:24
○ 2026-05-16 04:42:26
○ 2026-07-25 21:17:36

○A108.138.217.442026-03-31 → 2026-05-15 · 7 obs

○ 2026-03-30 15:56:48
● 2026-03-31 04:23:34
○ 2026-03-31 12:01:18
○ 2026-05-15 02:39:08
● 2026-05-15 04:02:24
○ 2026-05-16 04:42:26
○ 2026-07-25 21:17:36

○A108.138.217.92026-03-31 → 2026-05-15 · 7 obs

○ 2026-03-30 15:56:48
● 2026-03-31 04:23:34
○ 2026-03-31 12:01:18
○ 2026-05-15 02:39:08
● 2026-05-15 04:02:24
○ 2026-05-16 04:42:26
○ 2026-07-25 21:17:36

○A13.226.238.1122026-02-22 → 2026-07-12 · 72 obs

○ 2026-02-22 06:08:28
● 2026-02-22 16:40:42
○ 2026-02-22 18:37:16
○ 2026-02-23 10:30:56
● 2026-02-23 17:49:14
○ 2026-02-24 02:28:34
○ 2026-03-02 05:59:08
● 2026-03-03 00:13:28
○ 2026-03-03 12:04:06
○ 2026-04-16 21:09:18
● 2026-04-19 03:00:24
○ 2026-04-19 04:48:30
○ 2026-06-13 02:15:22
● 2026-06-14 00:00:48
○ 2026-06-14 04:03:04
○ 2026-06-17 20:54:42
● 2026-06-19 01:15:46
○ 2026-06-19 18:32:34
○ 2026-06-20 13:14:20
● 2026-06-21 02:50:06
○ 2026-06-21 03:55:10
● 2026-06-21 08:59:00
○ 2026-06-21 12:30:52
● 2026-06-21 16:12:34
○ 2026-06-21 18:14:46
● 2026-06-21 19:30:30
○ 2026-06-21 22:52:26
● 2026-06-22 03:54:24
○ 2026-06-22 06:23:46
● 2026-06-23 06:48:48
○ 2026-06-23 08:54:36
● 2026-06-23 18:30:02
○ 2026-06-23 23:22:58
● 2026-06-24 00:21:22
○ 2026-06-24 04:19:42
● 2026-06-24 19:00:26
○ 2026-06-24 19:40:00
● 2026-06-25 07:31:54
○ 2026-06-25 14:11:46
● 2026-06-25 18:22:06
○ 2026-06-25 20:08:22
● 2026-06-26 09:33:12
○ 2026-06-26 12:21:00
● 2026-06-26 22:13:16
○ 2026-06-26 22:44:48
● 2026-06-27 00:46:10
○ 2026-06-27 02:21:32
● 2026-06-27 03:06:32
○ 2026-06-27 12:57:50
● 2026-06-27 21:47:16
○ 2026-06-27 23:31:40
● 2026-06-28 19:58:26
○ 2026-06-28 21:44:46
● 2026-06-29 10:02:08
○ 2026-06-29 11:45:26
● 2026-06-29 14:40:58
○ 2026-06-29 15:13:08
● 2026-06-30 03:25:02
○ 2026-06-30 05:59:24
● 2026-07-01 01:46:02
○ 2026-07-01 04:40:40
● 2026-07-04 08:55:46
○ 2026-07-04 09:29:28
● 2026-07-10 05:35:36
○ 2026-07-10 07:20:50
● 2026-07-10 12:25:14
○ 2026-07-10 13:56:18
● 2026-07-12 01:57:12
○ 2026-07-12 03:53:38
● 2026-07-12 06:51:48
○ 2026-07-12 10:24:32
○ 2026-07-25 21:17:36

○A13.226.238.1282026-02-22 → 2026-07-12 · 72 obs

○A13.226.238.532026-02-22 → 2026-07-12 · 72 obs

○A13.226.238.672026-02-22 → 2026-07-12 · 72 obs

○A13.32.121.1082026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-23 18:30:02
● 2026-06-23 23:22:58
○ 2026-06-24 00:21:22
○ 2026-07-25 21:17:36

○A13.32.121.352026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-23 18:30:02
● 2026-06-23 23:22:58
○ 2026-06-24 00:21:22
○ 2026-07-25 21:17:36

○A13.32.121.382026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-23 18:30:02
● 2026-06-23 23:22:58
○ 2026-06-24 00:21:22
○ 2026-07-25 21:17:36

○A13.32.121.452026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-23 18:30:02
● 2026-06-23 23:22:58
○ 2026-06-24 00:21:22
○ 2026-07-25 21:17:36

○A13.32.205.212026-05-20 → 2026-07-02 · 34 obs

○ 2026-05-19 16:08:36
● 2026-05-20 20:36:40
● 2026-05-21 07:16:52
○ 2026-05-21 09:40:36
○ 2026-05-21 22:12:44
● 2026-05-22 00:35:48
● 2026-05-23 04:54:34
○ 2026-05-23 09:46:50
● 2026-05-23 22:48:32
○ 2026-05-24 12:51:24
○ 2026-05-25 01:14:10
● 2026-05-25 13:32:20
○ 2026-05-26 08:08:20
○ 2026-05-27 01:53:30
● 2026-05-27 10:06:00
○ 2026-05-28 01:29:44
○ 2026-05-30 02:24:16
● 2026-05-30 11:22:50
● 2026-05-31 10:42:34
○ 2026-05-31 12:31:18
○ 2026-06-08 05:59:30
● 2026-06-08 06:50:54
○ 2026-06-08 07:45:20
● 2026-06-30 08:47:46
○ 2026-06-30 09:30:30
● 2026-06-30 16:53:16
○ 2026-06-30 17:44:14
● 2026-07-01 04:40:40
○ 2026-07-01 06:01:48
● 2026-07-01 18:53:26
○ 2026-07-01 19:27:50
● 2026-07-02 20:02:20
○ 2026-07-02 21:08:22
○ 2026-07-25 21:17:36

○A13.32.205.222026-05-20 → 2026-07-02 · 34 obs

○A13.32.205.542026-05-20 → 2026-07-02 · 34 obs

○A13.32.205.982026-05-20 → 2026-07-02 · 34 obs

○A13.33.82.1272026-04-24 → 2026-05-10 · 23 obs

○ 2026-04-20 00:44:26
● 2026-04-24 04:50:02
○ 2026-04-24 14:59:22
● 2026-04-27 10:49:42
○ 2026-04-28 08:01:38
○ 2026-04-30 16:22:50
● 2026-05-01 06:26:10
● 2026-05-02 00:27:12
○ 2026-05-02 09:09:04
● 2026-05-02 19:53:24
○ 2026-05-02 22:45:36
○ 2026-05-03 19:25:48
● 2026-05-04 00:30:42
○ 2026-05-04 16:52:44
● 2026-05-04 20:39:36
○ 2026-05-05 14:41:52
○ 2026-05-05 22:22:24
● 2026-05-06 11:18:10
○ 2026-05-06 13:05:28
○ 2026-05-10 00:40:00
● 2026-05-10 05:15:10
○ 2026-05-10 08:16:10
○ 2026-07-25 21:17:36

○A13.33.82.22026-04-24 → 2026-05-10 · 23 obs

○A13.33.82.572026-04-24 → 2026-05-10 · 23 obs

○A13.33.82.982026-04-24 → 2026-05-10 · 23 obs

○A13.35.20.1162026-05-29 → 2026-06-05 · 22 obs

○ 2026-05-28 06:35:22
● 2026-05-29 10:11:00
● 2026-05-29 12:20:00
○ 2026-05-29 14:43:56
○ 2026-05-30 14:30:08
● 2026-05-30 15:49:32
● 2026-05-30 17:34:58
○ 2026-05-30 23:13:42
○ 2026-06-01 02:45:58
● 2026-06-01 16:04:10
● 2026-06-01 17:14:14
○ 2026-06-01 19:28:02
○ 2026-06-02 10:14:52
● 2026-06-02 11:03:36
○ 2026-06-02 11:48:50
○ 2026-06-03 17:55:02
● 2026-06-03 18:55:26
○ 2026-06-03 21:38:54
○ 2026-06-05 09:20:48
● 2026-06-05 13:45:50
○ 2026-06-05 15:12:02
○ 2026-07-25 21:17:36

○A13.35.20.372026-05-29 → 2026-06-05 · 22 obs

○A13.35.20.482026-05-29 → 2026-06-05 · 22 obs

○A13.35.20.792026-05-29 → 2026-06-05 · 22 obs

○A18.154.206.1152026-07-03 → 2026-07-22 · 18 obs

○ 2026-07-03 09:19:38
● 2026-07-03 10:08:36
○ 2026-07-03 12:15:28
● 2026-07-04 02:03:16
○ 2026-07-04 04:41:54
● 2026-07-04 09:29:28
○ 2026-07-04 23:43:26
● 2026-07-05 11:09:52
○ 2026-07-08 19:59:04
● 2026-07-12 03:53:38
○ 2026-07-12 06:51:48
● 2026-07-13 02:43:36
○ 2026-07-13 04:38:48
● 2026-07-21 01:53:38
○ 2026-07-21 11:13:46
● 2026-07-22 12:23:52
○ 2026-07-23 08:45:04
○ 2026-07-25 21:17:36

○A18.154.206.202026-07-03 → 2026-07-22 · 18 obs

○A18.154.206.542026-07-03 → 2026-07-22 · 18 obs

○A18.154.206.582026-07-03 → 2026-07-22 · 18 obs

○A18.165.43.1012026-03-30 → 2026-04-19 · 7 obs

○ 2026-03-30 07:30:54
● 2026-03-30 09:53:12
○ 2026-03-30 15:56:48
○ 2026-04-19 22:03:00
● 2026-04-19 23:24:10
○ 2026-04-20 00:44:26
○ 2026-07-25 21:17:36

○A18.165.43.1092026-03-30 → 2026-04-19 · 7 obs

○ 2026-03-30 07:30:54
● 2026-03-30 09:53:12
○ 2026-03-30 15:56:48
○ 2026-04-19 22:03:00
● 2026-04-19 23:24:10
○ 2026-04-20 00:44:26
○ 2026-07-25 21:17:36

○A18.165.43.522026-03-30 → 2026-04-19 · 7 obs

○ 2026-03-30 07:30:54
● 2026-03-30 09:53:12
○ 2026-03-30 15:56:48
○ 2026-04-19 22:03:00
● 2026-04-19 23:24:10
○ 2026-04-20 00:44:26
○ 2026-07-25 21:17:36

○A18.165.43.752026-03-30 → 2026-04-19 · 7 obs

○ 2026-03-30 07:30:54
● 2026-03-30 09:53:12
○ 2026-03-30 15:56:48
○ 2026-04-19 22:03:00
● 2026-04-19 23:24:10
○ 2026-04-20 00:44:26
○ 2026-07-25 21:17:36

●A18.238.4.1132026-03-30 → 2026-07-25 · 14 obs

○ 2026-03-30 00:20:40
● 2026-03-30 04:01:48
○ 2026-03-30 06:29:44
○ 2026-04-14 07:42:14
● 2026-04-14 12:17:32
○ 2026-04-15 10:00:38
● 2026-07-13 21:20:54
○ 2026-07-14 01:54:26
● 2026-07-14 04:13:02
○ 2026-07-14 05:38:32
● 2026-07-20 14:52:58
○ 2026-07-21 01:53:38
● 2026-07-25 21:17:32
● 2026-07-25 21:17:36

●A18.238.4.22026-03-30 → 2026-07-25 · 14 obs

●A18.238.4.292026-03-30 → 2026-07-25 · 14 obs

●A18.238.4.912026-03-30 → 2026-07-25 · 14 obs

○A18.239.168.1172026-05-10 → 2026-05-26 · 20 obs

○ 2026-05-10 08:16:10
● 2026-05-10 09:43:48
○ 2026-05-10 13:19:32
○ 2026-05-10 15:44:06
● 2026-05-10 16:48:40
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○A18.239.168.322026-05-10 → 2026-05-26 · 20 obs

○A18.239.168.462026-05-10 → 2026-05-26 · 20 obs

○A18.239.168.552026-05-10 → 2026-05-26 · 20 obs

○A18.239.225.102026-03-28 → 2026-07-25 · 60 obs

○ 2026-03-28 05:29:08
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○A18.239.225.52026-03-28 → 2026-07-25 · 60 obs

○A18.239.225.802026-03-28 → 2026-07-25 · 60 obs

○A18.239.225.812026-03-28 → 2026-07-25 · 60 obs

○A18.245.218.1112026-02-21 → 2026-06-30 · 64 obs

○ 2026-02-20 11:37:50
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○A18.245.218.1262026-02-21 → 2026-06-30 · 64 obs

○A18.245.218.462026-02-21 → 2026-06-30 · 64 obs

○A18.245.218.782026-02-21 → 2026-06-30 · 64 obs

○A3.163.115.1132026-03-30 → 2026-07-01 · 50 obs

○ 2026-03-29 23:04:20
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○A3.163.115.1142026-03-30 → 2026-07-01 · 50 obs

○A3.163.115.202026-03-30 → 2026-07-01 · 50 obs

○A3.163.115.672026-03-30 → 2026-07-01 · 50 obs

○A3.166.181.1092026-07-02 → 2026-07-02 · 4 obs

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○A3.166.181.1142026-07-02 → 2026-07-02 · 4 obs

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● 2026-07-02 21:08:22
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○A3.166.181.1262026-07-02 → 2026-07-02 · 4 obs

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● 2026-07-02 21:08:22
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○A3.166.181.252026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-02 20:02:20
● 2026-07-02 21:08:22
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○A3.168.122.1092026-03-14 → 2026-05-26 · 14 obs

○ 2026-03-10 03:33:36
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○A3.168.122.692026-03-14 → 2026-05-26 · 14 obs

○A3.168.122.802026-03-14 → 2026-05-26 · 14 obs

○A3.168.122.812026-03-14 → 2026-05-26 · 14 obs

○A3.169.231.1072026-07-24 → 2026-07-24 · 4 obs

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○A3.169.231.1142026-07-24 → 2026-07-24 · 4 obs

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○A3.169.231.82026-07-24 → 2026-07-24 · 4 obs

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○A3.169.231.832026-07-24 → 2026-07-24 · 4 obs

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○A3.174.113.1032026-03-22 → 2026-07-14 · 32 obs

○ 2026-03-22 01:46:34
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○A3.174.113.1102026-03-22 → 2026-07-14 · 32 obs

○A3.174.113.792026-03-22 → 2026-07-14 · 32 obs

○A3.174.113.842026-03-22 → 2026-07-14 · 32 obs

○A52.84.20.132026-02-18 → 2026-03-28 · 22 obs

● 2026-02-18 15:18:46
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○A52.84.20.32026-02-18 → 2026-03-28 · 22 obs

○A52.84.20.702026-02-18 → 2026-03-28 · 22 obs

○A52.84.20.792026-02-18 → 2026-03-28 · 22 obs

○A65.8.76.1132026-05-28 → 2026-06-06 · 11 obs

○ 2026-05-27 10:06:00
● 2026-05-28 01:29:44
● 2026-05-28 05:43:16
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● 2026-06-06 09:50:54
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○A65.8.76.1192026-05-28 → 2026-06-06 · 11 obs

○A65.8.76.172026-05-28 → 2026-06-06 · 11 obs

○A65.8.76.922026-05-28 → 2026-06-06 · 11 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...	-
programming-sc.com	ns-172.awsdns-21.com, ns-1020.awsdns-63.net, ns-1284.awsdns-32.org, ns-1923.awsdns-48.co.uk	2 records

✅ Authoritative Response

Server:205.251.192.172

NS records: ns-172.awsdns-21.com, ns-1020.awsdns-63.net, ns-1284.awsdns-32.org, ns-1923.awsdns-48.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programming-sc.com (unsigned zone)

⏱️ Timing

Total: 652ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.91, 18.238.4.2...`
NS	4	`ns-1020.awsdns-63.net, ns-1284.awsdns-32.org...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	7	`_globalsign-domain-verification=4QDH0Fib, _globalsign-domain-verification=db9h8mbg...`
SOA	1	`ns-1284.awsdns-32.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-172.awsdns-21.com, ns-172.awsdns-21.com)

Analysis

Hierarchy

learning.programming-sc.com, cert.programming-sc.com and typing.programming-sc.com are all subdomains of programming-sc.com.

IP Addresses

programming-sc.com directs to four IP numbers, which are 18.238.4.2, 18.238.4.29, 18.238.4.91 and 18.238.4.113.

catherinemullen.com, stationview.com, power.sh and two other host names share IP numbers with programming-sc.com.

Name Servers

The authoritative name servers for programming-sc.com are ns-172.awsdns-21.com, ns-1020.awsdns-63.net, ns-1284.awsdns-32.org and ns-1923.awsdns-48.co.uk.

The name servers of programming-sc.com overlap at least partially with those of other domains — among them 204.36.13.in-addr.arpa, freedomluxury.com, getatlas.io and two more.

These name servers commonly co-occur with the name servers ns1-24-eu-west-3.ec2-rdns.amazonaws.com, ns2-24-eu-west-3.ec2-rdns.amazonaws.com, ns3-24-eu-west-3.ec2-rdns.amazonaws.com and ns4-24-eu-west-3.ec2-rdns.amazonaws.com.

Each of the four hosts ns-172.awsdns-21.com, ns-1020.awsdns-63.net, ns-1284.awsdns-32.org and ns-1923.awsdns-48.co.uk has two IP addresses. ns-172.awsdns-21.com points to 205.251.192.172 and 2600:9000:5300:ac00::1. ns-1020.awsdns-63.net points to 205.251.195.252 and 2600:9000:5303:fc00::1. ns-1284.awsdns-32.org points to 205.251.197.4 and 2600:9000:5305:400::1. ns-1923.awsdns-48.co.uk points to 205.251.199.131 and 2600:9000:5307:8300::1.

Mail Servers

Five mail servers handle programming-sc.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

programming-sc.com has at least partial mail server overlap with other domains such as covenantfamilyconnections.com, fraternidadeallankardec.com.br, parkallendental.ca and two more.

The mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com directs traffic to 142.251.167.27 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1b.