cornell.com - dns.ninja

`cornell.com`

DNSSEC	⚠️ Not signed
A	98.100.211.205^{🇺🇸 RoadRunner98.100.211.0/24 RR-RC-Inet Computers-New}
		PTR	`syn-098-100-211-205.biz.spectrum.com`
NS	`ns1-08.azure-dns.com` ⭐
		A	2603:1061:0:700::8^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
		A	13.107.236.8^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
NS	`ns2-08.azure-dns.net`
		A	2620:1ec:8ec:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
		A	150.171.21.8^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
NS	`ns3-08.azure-dns.org`
		A	2a01:111:4000:700::8^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-08.azure-dns.org`
		A	204.14.183.8^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-08.azure-dns.org`
NS	`ns4-08.azure-dns.info`
		A	2620:1ec:bda:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
		A	208.84.5.8^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
MX	`cornell-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`MS=ms46119820`
TXT	`v=spf1 ip4:98.100.211.0/24 ip4:98.100.220.24/29 ip4:98.100.206.72/29 include:...`
TXT	`TAILSCALE-ZhHvNL4MxesIJZo5XY3z`
SOA	`ns1-08.azure-dns.com`azuredns-hostmaster@microsoft.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=1786463314

WOT: SAFE (70/100)

Subdomains

mail.cornell.com

mailgate.cornell.com

Same first word

cornell.nl

cornell.es

cornell.eu

cornell.edu

cornell.me

cornell.net

cornell.on.ca

cornell.dk

cornell.media

cornell.college

cornell.se

cornell.co

cornell.mba

cornell.it

cornell.k12.pa.us

cornell.ch

cornell.s3.amazonaws.com

cornell.com

cornell.org

cornell.website

cornell.co.za

cornell.nyc

cornell.k12.il.us

cornell.us

cornell.online

cornell.ca

cornell.de

cornell.institute

cornell.pro

cornell.k12.wi.us

cornell.hu

Similar names

cellron.com

cenroll.com

rollenc.com

llenroc.org

renollc.com

nellcor.com

norcell.us

nellcor.biz

llorenc.cat

norcell.net

cellnor.com

lercoln.cn

llenroc.com

cronell.com

llorenc.com

cellron.net

nellcor.de

lercoln.com

cronell.de

llenroc.co

enrollc.com

collner.se

crollen.be

norcell.com

llenroc.biz

DNS History

10 records (6 active, 4 former)

●NSns1-08.azure-dns.com2026-03-04 → 2026-08-11 · 3 obs

○ 2017-09-23 07:30:56
● 2026-03-04 20:55:52
● 2026-08-11 16:06:04

●NSns2-08.azure-dns.net2026-03-04 → 2026-08-11 · 3 obs

○ 2017-09-23 07:30:56
● 2026-03-04 20:55:52
● 2026-08-11 16:06:04

●NSns3-08.azure-dns.org2026-03-04 → 2026-08-11 · 3 obs

○ 2017-09-23 07:30:56
● 2026-03-04 20:55:52
● 2026-08-11 16:06:04

●NSns4-08.azure-dns.info2026-03-04 → 2026-08-11 · 3 obs

○ 2017-09-23 07:30:56
● 2026-03-04 20:55:52
● 2026-08-11 16:06:04

○NSns4.inet-web.com2015-07-21 → 2017-09-23 · 22 obs

● 2015-07-21 22:21:36
● 2015-09-05 08:24:50
○ 2015-09-05 20:53:38
○ 2016-01-17 12:19:56
● 2016-01-18 15:18:26
● 2016-04-12 01:13:58
○ 2016-08-18 14:56:54
● 2016-08-27 01:47:18
○ 2016-09-04 16:34:30
● 2016-09-14 08:56:44
○ 2016-09-22 21:05:50
○ 2016-09-30 15:32:52
● 2016-10-08 11:45:36
● 2016-10-23 18:49:08
○ 2016-11-03 23:53:26
● 2016-11-12 01:04:32
○ 2016-12-02 01:40:30
○ 2017-06-13 03:48:50
● 2017-08-05 10:30:26
● 2017-09-23 07:30:56
○ 2026-03-04 20:55:52
○ 2026-08-11 16:06:04

○NSns4a.inet-web.com2015-07-21 → 2017-09-23 · 10 obs

● 2015-07-21 22:21:36
○ 2015-09-05 08:24:50
○ 2015-11-19 19:33:30
● 2015-12-03 04:55:52
● 2016-01-17 12:19:56
○ 2016-01-18 15:18:26
○ 2017-08-22 14:08:48
● 2017-09-23 07:30:56
○ 2026-03-04 20:55:52
○ 2026-08-11 16:06:04

○NSns5.inet-web.com2015-07-21 → 2017-09-23 · 22 obs

● 2015-07-21 22:21:36
○ 2015-09-05 08:24:50
● 2015-09-05 20:53:38
● 2015-11-19 19:33:30
○ 2015-12-03 04:55:52
○ 2016-04-12 01:13:58
● 2016-08-18 14:56:54
○ 2016-08-27 01:47:18
● 2016-09-04 16:34:30
○ 2016-09-14 08:56:44
● 2016-09-22 21:05:50
● 2016-09-30 15:32:52
○ 2016-10-08 11:45:36
○ 2016-10-23 18:49:08
● 2016-11-03 23:53:26
○ 2016-11-12 01:04:32
● 2016-12-02 01:40:30
● 2017-06-13 03:48:50
○ 2017-08-05 10:30:26
● 2017-09-23 07:30:56
○ 2026-03-04 20:55:52
○ 2026-08-11 16:06:04

●MXcornell-com.mail.protection.outlook.com2016-08-18 → 2026-08-11 · 3 obs

○ 2016-04-12 01:13:58
● 2016-08-18 14:56:54
● 2026-08-11 16:06:04

○MXmailgate.cornell.com2015-07-21 → 2016-04-12 · 4 obs

● 2015-07-21 22:21:36
● 2016-04-12 01:13:58
○ 2016-08-18 14:56:54
○ 2026-08-11 16:06:04

●A98.100.211.2052015-07-21 → 2026-08-11 · 2 obs

● 2015-07-21 22:21:36
● 2026-08-11 16:06:04

🔍 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.com	ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.8

NS records: ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.com (unsigned zone)

⏱️ Timing

Total: 243ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`98.100.211.205`
NS	4	`ns1-08.azure-dns.com, ns2-08.azure-dns.net...`
MX	1	`cornell-com.mail.protection.outlook.com`
TXT	3	`MS=ms46119820, v=spf1 ip4:98.100.211.0/24 ip4:98.100.22...`
SOA	1	`ns1-08.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-08.azure-dns.com, ns1-08.azure-dns.com)

Analysis

Hierarchy

cornell.com is the parent domain of mail.cornell.com and mailgate.cornell.com.

IP Addresses

cornell.com points to a single IP number: 98.100.211.205.

Among the host names that share IP numbers with cornell.com is syn-098-100-211-205.biz.spectrum.com, as one example.

Name Servers

cornell.com has four authoritative name servers: ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org.

cornell.com partially shares its NS delegation with several other domains, including ssi-hosting.com, canped.biz, kappasport.de and two others.

ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org each carry two IP addresses. ns1-08.azure-dns.com has 13.107.236.8 and 2603:1061:0:700::8; ns4-08.azure-dns.info has 208.84.5.8 and 2620:1ec:bda:700::8; ns2-08.azure-dns.net has 150.171.21.8 and 2620:1ec:8ec:700::8; ns3-08.azure-dns.org has 204.14.183.8 and 2a01:111:4000:700::8.

Mail Servers

cornell.com has one mail server: cornell-com.mail.protection.outlook.com.

cornell-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.20, 52.101.11.3, 52.101.40.4 and 5 other.