`sts.cornell.edu`

	DNSSEC	⚠️ Not signed
	A	2620:12a:8000::2^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	2620:12a:8001::2^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	23.185.0.2^{🇺🇸 Fastly23.185.0.0/24 Pantheon}

`cornell.edu`

	DNSSEC	⚠️ Not signed
	A	128.253.173.241^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.242^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.243^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.244^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.245^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.246^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	NS	`dns.cit.cornell.edu` ⭐
	NS	`bigred.cit.cornell.edu`
	NS	`cudns.cit.cornell.edu`
	NS	`drdns.cit.cornell.edu`
	NS	`drdns2.cit.cornell.edu`
	MX	`cornell-edu.mail.protection.outlook.com` ⭐
	TXT	`facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz`
	TXT	`sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...`
	TXT	`adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...`
	TXT	`7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV`
	TXT	`google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0`
	TXT	`autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy`
	TXT	`apple-domain-verification=R62yGBLwZW9fUKsm`
	TXT	`google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8`
	TXT	`google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c`
	TXT	`NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...`
	TXT	`v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...`
	SOA	`dns.cit.cornell.edu`nsmaster@cornell.edu serial=3604201102

WOT: SAFE (82/100)
rank #216 globally
rank #5 in the tld
This domain name is associated with Cornell University, an Ivy League research university located in Ithaca, New York. The ".edu" extension signifies that the domain is used for educational institutions, specifically colleges and universities. The Cornell.edu domain is used for the university's website, where one can find information about their programs, research, faculty, and more.WOT: SAFE (95/100)
📈 Tranco rank: #593

Cornell University

Cornell University is a private Ivy League research university founded in 1865 by Ezra Cornell and Andrew (0x4469636b)son White. Guided by its founding vision that "any person can find instruction in any study," Cornell has grown into one of the world's leading academic institutions. The university is headquartered in Ithaca, New York, with an additional campus in New York City (Cornell Tech on Roosevelt Island).

Academic Profile

Classification: Private Ivy League research university and New York's land-grant institution
Student Body: Approximately 25,000+ students across all campuses
Colleges: Multiple schools including Engineering (recently renamed David A. Duffield College of Engineering), Arts & Sciences, Agriculture, Business, Law, and Medicine
Research Focus: Environmental sustainability, agricultural advancement, AI in healthcare, and maritime technology

DNS Infrastructure

Cornell operates its own authoritative DNS infrastructure under the Cornell Information Technologies (CIT) department:

Service	Details
Nameservers	`bigred.cit.cornell.edu`,`cudns.cit.cornell.edu`,`dns.cit.cornell.edu`, plus cloud-hosted DR servers on Microsoft Azure and AWS
Mail	Microsoft 365 (`cornell-edu.mail.protection.outlook.com`)
Web Hosting	Six redundant IPs (128.253.173.241-246) on Cornell's own AS (CORNELL-AS)
DNSSEC	Not enabled (unsigned zone)

The university maintains over 100 subdomains serving various departments, research centers, and administrative functions.

Subdomains

313mh.sts.cornell.edu

www.sts.cornell.edu

Same first word

sts.com.vn

sts.si

sts.hu

sts.kz

sts.uz

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sts.us-east-1.amazonaws.com

sts.eu

sts.se

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sts.org.ua

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sts.com.au

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sts.gov.ua

sts.eu.com

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sts.edu.hk

sts.net.ua

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sts.casino

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sts.in.ua

sts.com.ua

sts.sumy.ua

sts.ir

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sts.com.ps

sts.as

sts.su

sts.org.pk

sts.ab.ca

sts.ch

sts.com.ge

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sts.kasserver.com

sts.hr

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sts.group

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Similar names

sst.sc.gov.br

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sst.audio

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tss.com.pe

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sst.de

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tss.uz

DNS History

13 records (3 active, 10 former)

○A107.23.129.722015-10-19 → 2015-10-19 · 4 obs

○ 2015-05-24 14:05:58
● 2015-10-19 09:54:50
○ 2016-01-18 02:41:48
○ 2026-04-20 15:34:16

○A132.236.204.1682015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 14:05:58
○ 2026-04-03 15:52:22
○ 2026-04-20 15:34:16

●A23.185.0.22026-04-03 → 2026-04-20 · 3 obs

○ 2016-07-08 22:19:00
● 2026-04-03 15:52:22
● 2026-04-20 15:34:16

●A2620:12a:8000::22026-04-03 → 2026-04-20 · 3 obs

○ 2016-07-08 22:19:00
● 2026-04-03 15:52:22
● 2026-04-20 15:34:16

●A2620:12a:8001::22026-04-03 → 2026-04-20 · 3 obs

○ 2016-07-08 22:19:00
● 2026-04-03 15:52:22
● 2026-04-20 15:34:16

○A52.20.75.1832016-07-08 → 2016-07-08 · 4 obs

○ 2016-01-18 02:41:48
● 2016-07-08 22:19:00
○ 2026-04-03 15:52:22
○ 2026-04-20 15:34:16

○A52.203.0.632016-07-08 → 2016-07-08 · 4 obs

○ 2016-01-18 02:41:48
● 2016-07-08 22:19:00
○ 2026-04-03 15:52:22
○ 2026-04-20 15:34:16

○A52.6.185.342015-10-19 → 2015-10-19 · 4 obs

○ 2015-05-24 14:05:58
● 2015-10-19 09:54:50
○ 2016-01-18 02:41:48
○ 2026-04-20 15:34:16

○A52.6.60.1562016-01-18 → 2016-01-18 · 4 obs

○ 2015-10-19 09:54:50
● 2016-01-18 02:41:48
○ 2016-07-08 22:19:00
○ 2026-04-20 15:34:16

○A54.173.155.452016-01-18 → 2016-01-18 · 4 obs

○ 2015-10-19 09:54:50
● 2016-01-18 02:41:48
○ 2016-07-08 22:19:00
○ 2026-04-20 15:34:16

○CNAMEcas-992912228.us-east-1.elb.amazonaws.com2015-10-19 → 2016-07-08 · 5 obs

○ 2015-05-24 14:05:58
● 2015-10-19 09:54:50
● 2016-07-08 22:19:00
○ 2026-04-03 15:52:22
○ 2026-04-20 15:34:16

○CNAMElb-arts.cit.cornell.edu2015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 14:05:58
○ 2015-10-19 09:54:50
○ 2026-04-20 15:34:16

○CNAMElb.cas.commonspotcloud.com2015-10-19 → 2016-07-08 · 5 obs

○ 2015-05-24 14:05:58
● 2015-10-19 09:54:50
● 2016-07-08 22:19:00
○ 2026-04-03 15:52:22
○ 2026-04-20 15:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
cornell.edu	bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu...	5 records

✅ Authoritative Response

Server:128.253.180.35

NS records: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu, drdns2.cit.cornell.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.edu (unsigned zone)

⏱️ Timing

Total: 293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.185.0.2`
AAAA	2	`2620:12a:8001::2, 2620:12a:8000::2`

📌 Glue Records Collected

Total: 5

In-bailiwick: 5 (bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu...)

Analysis

Hierarchy

sts.cornell.edu is parent of 313mh.sts.cornell.edu and www.sts.cornell.edu.

IP Addresses

Three IP numbers for sts.cornell.edu are 2620:12a:8000::2, 2620:12a:8001::2 and 23.185.0.2.

Other host names, for instance efnep.ucanr.edu, mlops.org, gene-tools.com, trio.uic.edu and texasfss.com share IP numbers with sts.cornell.edu.

sts.cornell.edu - robtex.com

sts.cornell.edu

cornell.edu

Cornell University

Academic Profile

DNS Infrastructure

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

`sts.cornell.edu`

`cornell.edu`