`cornell-connect.com`

DNSSEC	⚠️ Not signed
A	13.226.238.4^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
		PTR	`server-13-226-238-4.iad61.r.cloudfront.net`
A	13.226.238.55^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.113^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.116^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
NS	`ns-349.awsdns-43.com` ⭐
		A	2600:9000:5301:5d00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-349.awsdns-43.com`
		A	205.251.193.93^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-349.awsdns-43.com`
NS	`ns-1129.awsdns-13.org`
		A	2600:9000:5304:6900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1129.awsdns-13.org`
		A	205.251.196.105^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1129.awsdns-13.org`
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`
NS	`ns-998.awsdns-60.net`
		A	2600:9000:5303:e600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-998.awsdns-60.net`
		A	205.251.195.230^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-998.awsdns-60.net`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`google-site-verification=mGBF35WHzkjWvL3gPmHqPYEW1hGGIucGMT8ZsOkPvMc`
TXT	`v=spf1 include:sendgrid.net include:u10038966.wl217.sendgrid.net ~all`
SOA	`ns-349.awsdns-43.com`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=1771291435

Same first word

cornell-connect.com

DNS History

29 records (10 active, 19 former)

●NSns-1129.awsdns-13.org2026-02-15 → 2026-03-18 · 3 obs

○ 2019-12-19 21:43:16
● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

●NSns-1923.awsdns-48.co.uk2026-02-15 → 2026-03-18 · 3 obs

○ 2019-12-19 21:43:16
● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

●NSns-349.awsdns-43.com2026-02-15 → 2026-03-18 · 3 obs

○ 2019-12-19 21:43:16
● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

●NSns-998.awsdns-60.net2026-02-15 → 2026-03-18 · 3 obs

○ 2019-12-19 21:43:16
● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

○NSns11.domaincontrol.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 21:43:16
○ 2026-02-15 03:12:50
○ 2026-03-18 11:11:50

○NSns12.domaincontrol.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 21:43:16
○ 2026-02-15 03:12:50
○ 2026-03-18 11:11:50

●MXmailstore1.secureserver.net2026-02-15 → 2026-03-18 · 2 obs

● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

●MXsmtp.secureserver.net2026-02-15 → 2026-03-18 · 2 obs

● 2026-02-15 03:12:50
● 2026-03-18 11:11:50

○A108.138.233.162026-02-16 → 2026-03-18 · 122 obs

○ 2026-02-16 03:53:02
● 2026-02-16 07:13:38
● 2026-02-16 11:44:00
○ 2026-02-16 21:48:58
● 2026-02-16 22:51:04
● 2026-02-17 13:59:14
○ 2026-02-17 15:20:12
○ 2026-02-17 20:39:28
● 2026-02-18 00:46:34
○ 2026-02-18 09:12:06
● 2026-02-18 09:50:06
○ 2026-02-18 10:56:40
○ 2026-02-19 00:20:24
● 2026-02-19 03:39:22
● 2026-02-20 00:43:20
○ 2026-02-20 08:59:50
○ 2026-02-20 10:36:58
● 2026-02-20 15:08:00
● 2026-02-20 21:50:50
○ 2026-02-21 02:01:14
● 2026-02-21 10:00:46
○ 2026-02-21 14:09:06
○ 2026-02-21 16:00:14
● 2026-02-21 16:54:56
● 2026-02-21 22:37:12
○ 2026-02-22 00:41:06
○ 2026-02-22 02:28:50
● 2026-02-22 08:32:34
● 2026-02-22 12:13:28
○ 2026-02-22 14:14:24
● 2026-02-22 15:35:40
● 2026-02-24 00:20:04
○ 2026-02-24 06:53:56
○ 2026-02-24 08:48:18
● 2026-02-24 16:13:38
● 2026-02-25 11:30:14
○ 2026-02-25 12:55:52
○ 2026-02-26 01:39:46
● 2026-02-26 08:19:18
● 2026-02-27 12:23:48
○ 2026-02-27 14:51:18
● 2026-02-28 01:02:34
● 2026-03-01 04:57:22
○ 2026-03-01 07:35:32
● 2026-03-01 12:07:20
● 2026-03-01 14:52:32
○ 2026-03-01 16:58:14
○ 2026-03-02 08:56:40
● 2026-03-02 11:39:50
● 2026-03-02 22:06:22
○ 2026-03-03 01:26:16
○ 2026-03-03 04:13:38
● 2026-03-03 06:31:28
● 2026-03-03 07:58:32
○ 2026-03-03 11:44:18
○ 2026-03-03 20:10:58
● 2026-03-03 23:19:52
● 2026-03-05 18:29:58
○ 2026-03-06 04:02:50
● 2026-03-06 06:06:20
● 2026-03-06 12:43:08
○ 2026-03-06 23:42:40
○ 2026-03-07 01:13:00
● 2026-03-07 03:09:26
● 2026-03-07 21:35:58
○ 2026-03-07 23:07:08
● 2026-03-08 06:10:12
○ 2026-03-08 10:57:42
● 2026-03-08 17:39:24
○ 2026-03-08 18:52:04
● 2026-03-08 22:08:28
● 2026-03-08 22:53:20
○ 2026-03-09 00:47:00
● 2026-03-09 04:08:12
○ 2026-03-09 05:26:26
● 2026-03-09 07:22:42
● 2026-03-10 07:40:24
○ 2026-03-10 09:38:50
● 2026-03-10 10:21:22
● 2026-03-11 07:09:58
○ 2026-03-11 16:43:54
○ 2026-03-11 19:16:40
● 2026-03-12 06:52:28
○ 2026-03-12 16:33:00
○ 2026-03-12 20:28:24
● 2026-03-12 21:21:30
● 2026-03-13 09:35:30
○ 2026-03-13 11:22:28
● 2026-03-13 12:46:02
● 2026-03-13 23:42:42
○ 2026-03-14 00:24:20
○ 2026-03-14 04:15:38
● 2026-03-14 05:10:18
● 2026-03-14 09:55:32
○ 2026-03-14 12:26:06
● 2026-03-14 15:43:14
● 2026-03-14 20:00:12
○ 2026-03-14 21:41:16
○ 2026-03-14 22:17:52
● 2026-03-14 23:00:24
○ 2026-03-15 01:25:12
○ 2026-03-15 06:44:46
● 2026-03-15 07:52:40
● 2026-03-16 01:51:10
○ 2026-03-16 03:09:50
○ 2026-03-16 04:21:58
● 2026-03-16 09:07:42
● 2026-03-16 21:28:56
○ 2026-03-17 00:31:44
○ 2026-03-17 05:36:40
● 2026-03-17 10:09:10
○ 2026-03-17 11:05:46
○ 2026-03-17 14:13:00
● 2026-03-17 15:11:18
○ 2026-03-17 19:17:28
○ 2026-03-17 20:09:26
● 2026-03-17 20:57:32
○ 2026-03-17 22:23:52
● 2026-03-18 02:42:36
● 2026-03-18 03:21:44
○ 2026-03-18 04:52:16
○ 2026-03-18 11:11:50

○A108.138.233.402026-02-16 → 2026-03-18 · 122 obs

○A108.138.233.432026-02-16 → 2026-03-18 · 122 obs

○A108.138.233.52026-02-16 → 2026-03-18 · 122 obs

●A13.226.238.1132026-02-16 → 2026-03-18 · 68 obs

○ 2026-02-15 03:12:50
○ 2026-02-16 11:44:00
● 2026-02-16 21:48:58
○ 2026-02-16 22:51:04
○ 2026-02-17 15:20:12
● 2026-02-17 20:39:28
○ 2026-02-18 00:46:34
○ 2026-02-18 10:56:40
● 2026-02-18 11:58:44
● 2026-02-19 00:20:24
○ 2026-02-19 03:39:22
○ 2026-02-20 00:43:20
● 2026-02-20 08:59:50
● 2026-02-20 10:36:58
○ 2026-02-20 15:08:00
○ 2026-02-20 21:50:50
● 2026-02-21 02:01:14
○ 2026-02-21 10:00:46
● 2026-02-21 14:09:06
● 2026-02-21 16:00:14
○ 2026-02-21 16:54:56
○ 2026-02-22 00:41:06
● 2026-02-22 02:28:50
○ 2026-02-22 08:32:34
○ 2026-02-27 12:23:48
● 2026-02-27 14:51:18
○ 2026-02-28 01:02:34
○ 2026-03-02 03:05:36
● 2026-03-02 08:56:40
○ 2026-03-02 11:39:50
○ 2026-03-02 22:06:22
● 2026-03-03 01:26:16
○ 2026-03-03 03:03:12
● 2026-03-03 04:13:38
○ 2026-03-03 06:31:28
○ 2026-03-03 14:16:30
● 2026-03-03 20:10:58
○ 2026-03-03 23:19:52
○ 2026-03-06 12:43:08
● 2026-03-06 23:42:40
● 2026-03-07 01:13:00
○ 2026-03-07 03:09:26
○ 2026-03-10 07:40:24
● 2026-03-10 09:38:50
○ 2026-03-10 10:21:22
○ 2026-03-11 16:43:54
● 2026-03-11 19:16:40
○ 2026-03-12 06:52:28
○ 2026-03-13 23:42:42
● 2026-03-14 00:24:20
○ 2026-03-14 02:46:56
○ 2026-03-14 20:00:12
● 2026-03-14 21:41:16
● 2026-03-14 22:17:52
○ 2026-03-14 23:00:24
○ 2026-03-15 03:09:02
● 2026-03-15 06:44:46
○ 2026-03-15 07:52:40
○ 2026-03-17 00:31:44
● 2026-03-17 02:47:40
○ 2026-03-17 04:32:14
○ 2026-03-17 10:09:10
● 2026-03-17 11:05:46
● 2026-03-17 14:13:00
○ 2026-03-17 15:11:18
○ 2026-03-18 03:21:44
● 2026-03-18 04:52:16
● 2026-03-18 11:11:50

●A13.226.238.1162026-02-16 → 2026-03-18 · 68 obs

●A13.226.238.42026-02-16 → 2026-03-18 · 68 obs

●A13.226.238.552026-02-16 → 2026-03-18 · 68 obs

○A13.33.153.1192026-02-16 → 2026-03-17 · 20 obs

○ 2026-02-15 21:10:08
● 2026-02-16 02:48:58
● 2026-02-16 03:53:02
○ 2026-02-16 07:13:38
○ 2026-03-08 22:53:20
● 2026-03-09 00:47:00
○ 2026-03-09 04:08:12
○ 2026-03-15 01:25:12
● 2026-03-15 02:26:04
● 2026-03-15 03:09:02
○ 2026-03-15 06:44:46
○ 2026-03-16 01:51:10
● 2026-03-16 03:09:50
● 2026-03-16 04:21:58
○ 2026-03-16 09:07:42
○ 2026-03-17 02:47:40
● 2026-03-17 04:32:14
● 2026-03-17 05:36:40
○ 2026-03-17 10:09:10
○ 2026-03-18 11:11:50

○A13.33.153.412026-02-16 → 2026-03-17 · 20 obs

○A13.33.153.52026-02-16 → 2026-03-17 · 20 obs

○A13.33.153.972026-02-16 → 2026-03-17 · 20 obs

○A50.63.202.372019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 21:43:16
○ 2026-02-15 03:12:50
○ 2026-03-18 11:11:50

○A52.222.244.1032026-02-15 → 2026-03-17 · 79 obs

○ 2019-12-19 21:43:16
● 2026-02-15 03:12:50
● 2026-02-15 21:10:08
○ 2026-02-16 02:48:58
○ 2026-02-17 13:59:14
● 2026-02-17 15:20:12
○ 2026-02-17 20:39:28
○ 2026-02-18 00:46:34
● 2026-02-18 09:12:06
○ 2026-02-18 09:50:06
● 2026-02-18 10:56:40
○ 2026-02-18 11:58:44
○ 2026-02-21 22:37:12
● 2026-02-22 00:41:06
○ 2026-02-22 02:28:50
○ 2026-02-22 12:13:28
● 2026-02-22 14:14:24
○ 2026-02-22 15:35:40
○ 2026-02-24 00:20:04
● 2026-02-24 06:53:56
● 2026-02-24 08:48:18
○ 2026-02-24 16:13:38
○ 2026-02-25 11:30:14
● 2026-02-25 12:55:52
● 2026-02-26 01:39:46
○ 2026-02-26 08:19:18
○ 2026-03-01 04:57:22
● 2026-03-01 07:35:32
○ 2026-03-01 12:07:20
○ 2026-03-01 14:52:32
● 2026-03-01 16:58:14
● 2026-03-02 03:05:36
○ 2026-03-02 08:56:40
○ 2026-03-03 01:26:16
● 2026-03-03 03:03:12
○ 2026-03-03 04:13:38
○ 2026-03-03 07:58:32
● 2026-03-03 11:44:18
● 2026-03-03 14:16:30
○ 2026-03-03 20:10:58
○ 2026-03-05 18:29:58
● 2026-03-06 04:02:50
○ 2026-03-06 06:06:20
○ 2026-03-08 06:10:12
● 2026-03-08 10:57:42
○ 2026-03-08 17:39:24
○ 2026-03-09 04:08:12
● 2026-03-09 05:26:26
○ 2026-03-09 07:22:42
○ 2026-03-11 07:09:58
● 2026-03-11 16:43:54
○ 2026-03-11 19:16:40
○ 2026-03-12 06:52:28
● 2026-03-12 16:33:00
● 2026-03-12 20:28:24
○ 2026-03-12 21:21:30
○ 2026-03-13 09:35:30
● 2026-03-13 11:22:28
○ 2026-03-13 12:46:02
○ 2026-03-14 00:24:20
● 2026-03-14 02:46:56
● 2026-03-14 04:15:38
○ 2026-03-14 05:10:18
○ 2026-03-14 09:55:32
● 2026-03-14 12:26:06
○ 2026-03-14 15:43:14
○ 2026-03-14 23:00:24
● 2026-03-15 01:25:12
○ 2026-03-15 02:26:04
○ 2026-03-16 21:28:56
● 2026-03-17 00:31:44
○ 2026-03-17 02:47:40
○ 2026-03-17 15:11:18
● 2026-03-17 19:17:28
● 2026-03-17 20:09:26
○ 2026-03-17 20:57:32
● 2026-03-17 22:23:52
○ 2026-03-18 02:42:36
○ 2026-03-18 11:11:50

○A52.222.244.462026-02-15 → 2026-03-17 · 79 obs

○A52.222.244.602026-02-15 → 2026-03-17 · 79 obs

○A52.222.244.782026-02-15 → 2026-03-17 · 79 obs

○A52.85.31.1202026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 21:35:58
● 2026-03-07 23:07:08
○ 2026-03-08 06:10:12
○ 2026-03-08 17:39:24
● 2026-03-08 18:52:04
○ 2026-03-08 22:08:28
○ 2026-03-18 11:11:50

○A52.85.31.1292026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 21:35:58
● 2026-03-07 23:07:08
○ 2026-03-08 06:10:12
○ 2026-03-08 17:39:24
● 2026-03-08 18:52:04
○ 2026-03-08 22:08:28
○ 2026-03-18 11:11:50

○A52.85.31.222026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 21:35:58
● 2026-03-07 23:07:08
○ 2026-03-08 06:10:12
○ 2026-03-08 17:39:24
● 2026-03-08 18:52:04
○ 2026-03-08 22:08:28
○ 2026-03-18 11:11:50

○A52.85.31.332026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 21:35:58
● 2026-03-07 23:07:08
○ 2026-03-08 06:10:12
○ 2026-03-08 17:39:24
● 2026-03-08 18:52:04
○ 2026-03-08 22:08:28
○ 2026-03-18 11:11:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cornell-connect.com	ns-349.awsdns-43.com, ns-998.awsdns-60.net, ns-1129.awsdns-13.org, ns-1923.awsdns-48.co.uk	1 record

✅ Authoritative Response

Server: 205.251.196.105

NS records: ns-349.awsdns-43.com, ns-998.awsdns-60.net, ns-1129.awsdns-13.org, ns-1923.awsdns-48.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell-connect.com (unsigned zone)

⏱️ Timing

Total: 613ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.238.4, 13.226.238.113...`
NS	4	`ns-1129.awsdns-13.org, ns-1923.awsdns-48.co.uk...`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	2	`google-site-verification=mGBF35WHzkjWvL3, v=spf1 include:sendgrid.net include:u100`
SOA	1	`ns-349.awsdns-43.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-349.awsdns-43.com)

Analysis

IP Addresses

cornell-connect.com points to four IP numbers: 13.226.238.4, 13.226.238.55, 13.226.238.113 and 13.226.238.116.

Other host names, for instance d1lj1xmx2vxzy5.cloudfront.net, linenchest.com, session-api-euc1.platform.turnitin.com, dm.kondarras.link and clickview.co.nz share IP numbers with cornell-connect.com.

Name Servers

cornell-connect.com is delegated to four name servers: ns-349.awsdns-43.com, ns-998.awsdns-60.net, ns-1129.awsdns-13.org and ns-1923.awsdns-48.co.uk.

cornell-connect.com at least partially shares its name servers with other domains, for instance 168.149.5.in-addr.arpa, bpmtr.com, rsmart.us, d2a9px824xrdmu.cloudfront.net and dqg09sznmabdn.cloudfront.net.

these name servers are commonly used with the name servers ns-55.awsdns-06.com, ns-521.awsdns-01.net, ns-1658.awsdns-15.co.uk, ns-106.awsdns-13.com, ns-852.awsdns-42.net and ns-2042.awsdns-63.co.uk.

Host names with two IPs: ns-349.awsdns-43.com points to 2600:9000:5301:5d00::1 and 205.251.193.93; ns-998.awsdns-60.net points to 2600:9000:5303:e600::1 and 205.251.195.230; ns-1129.awsdns-13.org points to 2600:9000:5304:6900::1 and 205.251.196.105; ns-1923.awsdns-48.co.uk points to 2600:9000:5307:8300::1 and 205.251.199.131.

Mail Servers

Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle cornell-connect.com.

cornell-connect.com uses the same mail server setup as other domains such as dondico.com, windomax.com, openfoodfoundation.com, caryve.net and zakeini.com.

Host names with three IP numbers

The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; the host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113

cornell-connect.com - robtex.com