`charlestonmathscience.org`

DNSSEC	⚠️ Not signed
A	108.139.182.22^{🇺🇸 Amazon108.139.180.0/22}
		PTR	`server-108-139-182-22.gru3.r.cloudfront.net`
A	108.139.182.35^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.48^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.128^{🇺🇸 Amazon108.139.180.0/22}
NS	`ns-605.awsdns-11.net` ⭐
		A	2600:9000:5302:5d00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-605.awsdns-11.net`
		A	205.251.194.93^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-605.awsdns-11.net`
NS	`ns-1072.awsdns-06.org`
		A	2600:9000:5304:3000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1072.awsdns-06.org`
		A	205.251.196.48^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1072.awsdns-06.org`
NS	`ns-1904.awsdns-46.co.uk`
		A	2600:9000:5307:7000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1904.awsdns-46.co.uk`
		A	205.251.199.112^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1904.awsdns-46.co.uk`
NS	`ns-272.awsdns-34.com`
		A	2600:9000:5301:1000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-272.awsdns-34.com`
		A	205.251.193.16^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-272.awsdns-34.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`29.06.2024`
TXT	`MS=BAF90F9088F09B3C3BA0E3377C1CC4585D8720FA`
TXT	`v=spf1 +a +mx +ip4:204.44.192.18 +include:spf.antispamcloud.com +include:_spf...`
SOA	`ns-605.awsdns-11.net`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1780879683

Same first word

charlestonmathscience.org

DNS History

66 records (13 active, 53 former)

●NSns-1072.awsdns-06.org2026-04-21 → 2026-06-08 · 3 obs

○ 2017-08-17 20:36:32
● 2026-04-21 06:46:50
● 2026-06-08 01:07:54

●NSns-1904.awsdns-46.co.uk2026-04-21 → 2026-06-08 · 3 obs

○ 2017-08-17 20:36:32
● 2026-04-21 06:46:50
● 2026-06-08 01:07:54

●NSns-272.awsdns-34.com2026-04-21 → 2026-06-08 · 3 obs

○ 2017-08-17 20:36:32
● 2026-04-21 06:46:50
● 2026-06-08 01:07:54

●NSns-605.awsdns-11.net2026-04-21 → 2026-06-08 · 3 obs

○ 2017-08-17 20:36:32
● 2026-04-21 06:46:50
● 2026-06-08 01:07:54

○NSns1.lunariffic.com2015-08-27 → 2017-08-17 · 4 obs

● 2015-08-27 12:26:08
● 2017-08-17 20:36:32
○ 2026-04-21 06:46:50
○ 2026-06-08 01:07:54

○NSns2.lunariffic.com2015-08-27 → 2017-08-17 · 4 obs

● 2015-08-27 12:26:08
● 2017-08-17 20:36:32
○ 2026-04-21 06:46:50
○ 2026-06-08 01:07:54

●MXalt1.aspmx.l.google.com2015-08-27 → 2026-06-08 · 2 obs

● 2015-08-27 12:26:08
● 2026-06-08 01:07:54

●MXalt2.aspmx.l.google.com2015-08-27 → 2026-06-08 · 2 obs

● 2015-08-27 12:26:08
● 2026-06-08 01:07:54

●MXaspmx.l.google.com2015-08-27 → 2026-06-08 · 2 obs

● 2015-08-27 12:26:08
● 2026-06-08 01:07:54

●MXaspmx2.googlemail.com2015-08-27 → 2026-06-08 · 2 obs

● 2015-08-27 12:26:08
● 2026-06-08 01:07:54

●MXaspmx3.googlemail.com2015-08-27 → 2026-06-08 · 2 obs

● 2015-08-27 12:26:08
● 2026-06-08 01:07:54

○A108.139.113.1212026-06-06 → 2026-06-06 · 5 obs

○ 2026-06-06 16:34:08
● 2026-06-06 17:31:40
● 2026-06-06 18:52:06
○ 2026-06-06 20:46:04
○ 2026-06-08 01:07:54

○A108.139.113.272026-06-06 → 2026-06-06 · 5 obs

○ 2026-06-06 16:34:08
● 2026-06-06 17:31:40
● 2026-06-06 18:52:06
○ 2026-06-06 20:46:04
○ 2026-06-08 01:07:54

○A108.139.113.322026-06-06 → 2026-06-06 · 5 obs

○ 2026-06-06 16:34:08
● 2026-06-06 17:31:40
● 2026-06-06 18:52:06
○ 2026-06-06 20:46:04
○ 2026-06-08 01:07:54

○A108.139.113.512026-06-06 → 2026-06-06 · 5 obs

○ 2026-06-06 16:34:08
● 2026-06-06 17:31:40
● 2026-06-06 18:52:06
○ 2026-06-06 20:46:04
○ 2026-06-08 01:07:54

●A108.139.182.1282026-04-28 → 2026-06-08 · 76 obs

○ 2026-04-28 09:10:24
● 2026-04-28 10:18:58
○ 2026-04-28 10:55:58
○ 2026-05-01 00:35:14
● 2026-05-01 01:29:26
○ 2026-05-01 07:54:58
○ 2026-05-05 15:29:06
● 2026-05-05 18:55:44
○ 2026-05-05 22:06:46
○ 2026-05-08 00:33:08
● 2026-05-08 15:15:06
○ 2026-05-08 21:09:12
○ 2026-05-08 23:21:58
● 2026-05-09 00:30:06
● 2026-05-09 03:35:20
○ 2026-05-09 05:18:58
● 2026-05-09 06:49:32
○ 2026-05-09 07:35:46
○ 2026-05-11 10:11:02
● 2026-05-12 06:04:26
● 2026-05-12 18:19:16
○ 2026-05-12 23:29:04
○ 2026-05-14 04:03:22
● 2026-05-14 14:21:12
○ 2026-05-14 15:05:36
○ 2026-05-14 16:12:40
● 2026-05-14 17:17:08
○ 2026-05-14 19:38:26
○ 2026-05-15 08:28:20
● 2026-05-15 09:26:24
○ 2026-05-15 10:42:36
○ 2026-05-20 16:16:30
● 2026-05-20 16:48:24
○ 2026-05-20 19:01:38
○ 2026-05-20 19:39:20
● 2026-05-20 21:38:00
○ 2026-05-20 23:32:26
○ 2026-05-27 08:33:06
● 2026-05-27 16:53:08
○ 2026-05-27 18:27:28
○ 2026-05-29 02:49:30
● 2026-05-29 15:30:16
● 2026-05-29 19:46:30
○ 2026-05-29 21:38:22
● 2026-05-29 22:22:08
○ 2026-05-30 01:49:26
● 2026-05-30 02:19:48
○ 2026-05-30 03:17:18
● 2026-05-30 04:05:32
○ 2026-05-30 07:23:42
○ 2026-05-30 12:54:54
● 2026-05-30 13:26:58
○ 2026-05-30 14:21:02
○ 2026-05-31 09:14:26
● 2026-05-31 13:46:44
● 2026-06-01 09:46:04
○ 2026-06-01 10:25:50
● 2026-06-01 11:04:50
○ 2026-06-01 15:55:16
○ 2026-06-05 23:24:12
● 2026-06-06 01:54:02
○ 2026-06-06 03:02:46
○ 2026-06-06 12:48:44
● 2026-06-06 16:34:08
○ 2026-06-06 17:31:40
○ 2026-06-06 23:08:22
● 2026-06-07 04:02:54
● 2026-06-07 06:19:24
○ 2026-06-07 11:01:46
● 2026-06-07 11:42:36
○ 2026-06-07 15:44:58
● 2026-06-07 22:25:24
● 2026-06-07 23:18:22
○ 2026-06-07 23:57:08
● 2026-06-08 01:07:50
● 2026-06-08 01:07:54

●A108.139.182.222026-04-28 → 2026-06-08 · 76 obs

●A108.139.182.352026-04-28 → 2026-06-08 · 76 obs

●A108.139.182.482026-04-28 → 2026-06-08 · 76 obs

○A13.224.252.1102026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-29 08:46:48
● 2026-04-29 10:26:36
○ 2026-04-29 10:57:56
○ 2026-06-08 01:07:54

○A13.224.252.582026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-29 08:46:48
● 2026-04-29 10:26:36
○ 2026-04-29 10:57:56
○ 2026-06-08 01:07:54

○A13.224.252.712026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-29 08:46:48
● 2026-04-29 10:26:36
○ 2026-04-29 10:57:56
○ 2026-06-08 01:07:54

○A13.224.252.892026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-29 08:46:48
● 2026-04-29 10:26:36
○ 2026-04-29 10:57:56
○ 2026-06-08 01:07:54

○A13.225.107.1032026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 06:46:50
● 2026-04-21 10:40:38
○ 2026-04-21 16:21:10
○ 2026-06-08 01:07:54

○A13.225.107.1042026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 06:46:50
● 2026-04-21 10:40:38
○ 2026-04-21 16:21:10
○ 2026-06-08 01:07:54

○A13.225.107.732026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 06:46:50
● 2026-04-21 10:40:38
○ 2026-04-21 16:21:10
○ 2026-06-08 01:07:54

○A13.225.107.902026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 06:46:50
● 2026-04-21 10:40:38
○ 2026-04-21 16:21:10
○ 2026-06-08 01:07:54

○A13.33.109.242026-05-14 → 2026-05-20 · 14 obs

○ 2026-05-14 14:21:12
● 2026-05-14 15:05:36
○ 2026-05-14 16:12:40
○ 2026-05-15 09:26:24
● 2026-05-15 10:42:36
○ 2026-05-15 12:34:02
○ 2026-05-17 17:31:12
● 2026-05-17 23:34:28
● 2026-05-18 00:59:40
○ 2026-05-18 01:45:02
○ 2026-05-20 08:50:58
● 2026-05-20 16:16:30
○ 2026-05-20 16:48:24
○ 2026-06-08 01:07:54

○A13.33.109.332026-05-14 → 2026-05-20 · 14 obs

○A13.33.109.592026-05-14 → 2026-05-20 · 14 obs

○A13.33.109.782026-05-14 → 2026-05-20 · 14 obs

○A13.33.129.1112026-05-09 → 2026-06-01 · 15 obs

○ 2026-05-09 10:42:30
● 2026-05-09 14:33:18
○ 2026-05-09 18:15:20
● 2026-05-09 20:46:42
○ 2026-05-09 21:22:30
○ 2026-05-10 04:56:30
● 2026-05-10 17:56:08
○ 2026-05-10 22:17:12
○ 2026-05-18 00:59:40
● 2026-05-18 01:45:02
○ 2026-05-18 22:38:40
○ 2026-06-01 17:47:30
● 2026-06-01 21:00:58
○ 2026-06-02 00:58:04
○ 2026-06-08 01:07:54

○A13.33.129.382026-05-09 → 2026-06-01 · 15 obs

○A13.33.129.392026-05-09 → 2026-06-01 · 15 obs

○A13.33.129.652026-05-09 → 2026-06-01 · 15 obs

○A13.33.82.1032026-04-21 → 2026-05-08 · 36 obs

○ 2017-08-17 20:36:32
● 2026-04-21 06:46:50
○ 2026-04-21 10:40:38
○ 2026-04-23 03:37:32
● 2026-04-23 19:27:28
● 2026-04-23 20:45:26
○ 2026-04-23 21:45:00
○ 2026-04-26 08:48:38
● 2026-04-27 00:29:22
○ 2026-04-27 04:43:58
○ 2026-04-28 23:27:18
● 2026-04-29 00:29:02
● 2026-04-29 08:46:48
○ 2026-04-29 10:26:36
○ 2026-04-29 15:18:42
● 2026-04-30 00:31:04
○ 2026-04-30 04:01:50
○ 2026-04-30 19:50:08
● 2026-05-01 00:35:14
○ 2026-05-01 01:29:26
○ 2026-05-03 23:05:30
● 2026-05-04 08:42:54
● 2026-05-04 17:45:34
○ 2026-05-04 19:50:46
● 2026-05-05 00:07:16
● 2026-05-05 08:19:08
○ 2026-05-05 15:29:06
○ 2026-05-06 15:34:18
● 2026-05-06 16:46:48
● 2026-05-07 00:38:58
○ 2026-05-07 02:30:04
● 2026-05-07 08:28:04
○ 2026-05-07 09:21:26
● 2026-05-08 00:33:08
○ 2026-05-08 15:15:06
○ 2026-06-08 01:07:54

○A13.33.82.22026-04-21 → 2026-05-08 · 36 obs

○A13.33.82.662026-04-21 → 2026-05-08 · 36 obs

○A13.33.82.682026-04-21 → 2026-05-08 · 36 obs

○A13.35.20.112026-05-28 → 2026-06-04 · 16 obs

○ 2026-05-28 06:20:14
● 2026-05-28 08:35:18
○ 2026-05-28 09:20:08
○ 2026-05-30 13:26:58
● 2026-05-30 14:21:02
○ 2026-05-30 19:51:52
○ 2026-06-01 09:46:04
● 2026-06-01 10:25:50
○ 2026-06-01 11:04:50
○ 2026-06-02 00:58:04
● 2026-06-02 04:58:42
○ 2026-06-02 09:10:04
○ 2026-06-04 10:44:58
● 2026-06-04 12:12:16
○ 2026-06-04 13:19:26
○ 2026-06-08 01:07:54

○A13.35.20.762026-05-28 → 2026-06-04 · 16 obs

○A13.35.20.822026-05-28 → 2026-06-04 · 16 obs

○A13.35.20.832026-05-28 → 2026-06-04 · 16 obs

○A162.144.22.2292016-09-22 → 2017-08-17 · 5 obs

○ 2016-04-09 10:30:22
● 2016-09-22 09:38:26
● 2017-08-17 20:36:32
○ 2026-04-21 06:46:50
○ 2026-06-08 01:07:54

○A18.245.143.1162026-04-21 → 2026-05-18 · 75 obs

○ 2026-04-21 10:40:38
● 2026-04-21 16:21:10
● 2026-04-23 03:37:32
○ 2026-04-23 19:27:28
○ 2026-04-23 20:45:26
● 2026-04-23 21:45:00
● 2026-04-26 08:48:38
○ 2026-04-27 00:29:22
● 2026-04-27 04:43:58
● 2026-04-28 09:10:24
○ 2026-04-28 10:18:58
● 2026-04-28 10:55:58
● 2026-04-28 23:27:18
○ 2026-04-29 00:29:02
○ 2026-04-29 10:26:36
● 2026-04-29 10:57:56
● 2026-04-29 15:18:42
○ 2026-04-30 00:31:04
● 2026-04-30 04:01:50
● 2026-04-30 19:50:08
○ 2026-05-01 00:35:14
○ 2026-05-01 01:29:26
● 2026-05-01 07:54:58
● 2026-05-03 23:05:30
○ 2026-05-04 08:42:54
○ 2026-05-04 17:45:34
● 2026-05-04 19:50:46
○ 2026-05-05 00:07:16
○ 2026-05-05 08:19:08
● 2026-05-05 15:29:06
○ 2026-05-05 18:55:44
● 2026-05-05 22:06:46
● 2026-05-06 15:34:18
○ 2026-05-06 16:46:48
○ 2026-05-07 00:38:58
● 2026-05-07 02:30:04
○ 2026-05-07 08:28:04
● 2026-05-07 09:21:26
○ 2026-05-08 00:33:08
○ 2026-05-08 15:15:06
● 2026-05-08 21:09:12
● 2026-05-08 23:21:58
○ 2026-05-09 00:30:06
○ 2026-05-09 03:35:20
● 2026-05-09 05:18:58
○ 2026-05-09 06:49:32
● 2026-05-09 07:35:46
● 2026-05-09 10:42:30
○ 2026-05-09 14:33:18
● 2026-05-09 18:15:20
○ 2026-05-09 20:46:42
● 2026-05-09 21:22:30
● 2026-05-10 04:56:30
○ 2026-05-10 17:56:08
● 2026-05-10 22:17:12
● 2026-05-11 10:11:02
○ 2026-05-12 06:04:26
○ 2026-05-12 18:19:16
● 2026-05-12 23:29:04
● 2026-05-14 04:03:22
○ 2026-05-14 14:21:12
○ 2026-05-14 15:05:36
● 2026-05-14 16:12:40
○ 2026-05-14 17:17:08
● 2026-05-14 19:38:26
● 2026-05-15 08:28:20
○ 2026-05-15 09:26:24
○ 2026-05-15 10:42:36
● 2026-05-15 12:34:02
● 2026-05-17 17:31:12
○ 2026-05-17 23:34:28
○ 2026-05-18 01:45:02
● 2026-05-18 22:38:40
○ 2026-05-19 12:59:32
○ 2026-06-08 01:07:54

○A18.245.143.1172026-04-21 → 2026-05-18 · 75 obs

○A18.245.143.182026-04-21 → 2026-05-18 · 75 obs

○A18.245.143.442026-04-21 → 2026-05-18 · 75 obs

○A209.200.244.1752015-12-19 → 2016-04-09 · 5 obs

○ 2015-08-27 12:26:08
● 2015-12-19 16:15:54
● 2016-04-09 10:30:22
○ 2016-09-22 09:38:26
○ 2026-06-08 01:07:54

○A209.200.244.2302015-08-27 → 2015-08-27 · 3 obs

● 2015-08-27 12:26:08
○ 2015-12-19 16:15:54
○ 2026-06-08 01:07:54

○A3.169.149.1022026-05-19 → 2026-06-07 · 64 obs

○ 2026-05-18 22:38:40
● 2026-05-19 12:59:32
● 2026-05-20 08:50:58
○ 2026-05-20 16:16:30
○ 2026-05-20 16:48:24
● 2026-05-20 19:01:38
● 2026-05-20 19:39:20
○ 2026-05-20 21:38:00
● 2026-05-20 23:32:26
● 2026-05-21 16:20:26
○ 2026-05-21 20:00:00
● 2026-05-21 23:48:32
● 2026-05-25 18:08:10
○ 2026-05-26 01:16:26
● 2026-05-26 20:30:28
● 2026-05-27 08:33:06
○ 2026-05-27 16:53:08
● 2026-05-27 18:27:28
● 2026-05-28 06:20:14
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○A3.169.149.42026-05-19 → 2026-06-07 · 64 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
charlestonmathscience.org	ns-272.awsdns-34.com, ns-605.awsdns-11.net, ns-1072.awsdns-06.org, ns-1904.awsdns-46.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.16

NS records: ns-272.awsdns-34.com, ns-605.awsdns-11.net, ns-1072.awsdns-06.org, ns-1904.awsdns-46.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for charlestonmathscience.org (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.182.128, 108.139.182.48...`
NS	4	`ns-1072.awsdns-06.org, ns-1904.awsdns-46.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`29.06.2024, MS=BAF90F9088F09B3C3BA0E3377C1CC4585D872...`
SOA	1	`ns-605.awsdns-11.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1072.awsdns-06.org, ns-1072.awsdns-06.org)

Analysis

IP Addresses

charlestonmathscience.org resolves to 4 IP numbers: 108.139.182.22, 108.139.182.35, 108.139.182.48 and 108.139.182.128.

Name Servers

charlestonmathscience.org is served by 4 authoritative name servers: ns-272.awsdns-34.com, ns-605.awsdns-11.net, ns-1072.awsdns-06.org and ns-1904.awsdns-46.co.uk.

charlestonmathscience.org has at least partial name server overlap with other domains, such as openimpulse.com, app.liongard.com, freetruffles.com and two others.

ns-272.awsdns-34.com, ns-605.awsdns-11.net, ns-1072.awsdns-06.org and ns-1904.awsdns-46.co.uk all point to exactly two IP numbers each: ns-272.awsdns-34.com → 205.251.193.16 and 2600:9000:5301:1000::1; ns-605.awsdns-11.net → 205.251.194.93 and 2600:9000:5302:5d00::1; ns-1072.awsdns-06.org → 205.251.196.48 and 2600:9000:5304:3000::1; ns-1904.awsdns-46.co.uk → 205.251.199.112 and 2600:9000:5307:7000::1.