`micro.cornell.edu`

CNAME	`a4227bee1fec1cc09.awsglobalaccelerator.com`
DNSSEC	⚠️ Not signed
A	3.33.190.73^{🇺🇸 Amazon3.33.176.0/20}
		PTR	`a4227bee1fec1cc09.awsglobalaccelerator.com`
A	15.197.181.37^{🇺🇸 Amazon15.197.176.0/20}

`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	`google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0`
	TXT	`google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c`
	TXT	`autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy`
	TXT	`Y29ybmVsbA==`
	TXT	`apple-domain-verification=R62yGBLwZW9fUKsm`
	TXT	`7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV`
	TXT	`facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz`
	TXT	`sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...`
	TXT	`v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...`
	TXT	`adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...`
	TXT	`google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8`
	TXT	`NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...`
	SOA	`dns.cit.cornell.edu`nsmaster@cornell.edu serial=3605111802

WOT: SAFE (63/100)
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: #587

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.

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DNS History

10 records (1 active, 9 former)

○A107.20.221.212015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 06:45:38
○ 2026-05-09 11:24:08
○ 2026-05-11 22:37:46

○A23.21.149.1452015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-12 06:45:38
● 2015-11-22 08:47:22
○ 2016-02-27 06:19:38
○ 2026-05-11 22:37:46

○A23.21.185.1752016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-22 08:47:22
● 2016-02-27 06:19:38
○ 2016-06-18 20:02:24
○ 2026-05-11 22:37:46

○A23.23.217.472016-06-18 → 2016-06-18 · 4 obs

○ 2016-02-27 06:19:38
● 2016-06-18 20:02:24
○ 2026-05-09 11:24:08
○ 2026-05-11 22:37:46

○A23.23.94.802016-06-18 → 2016-06-18 · 4 obs

○ 2016-02-27 06:19:38
● 2016-06-18 20:02:24
○ 2026-05-09 11:24:08
○ 2026-05-11 22:37:46

○A50.17.213.1982015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-12 06:45:38
● 2015-11-22 08:47:22
○ 2016-02-27 06:19:38
○ 2026-05-11 22:37:46

○A54.221.205.1162016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-22 08:47:22
● 2016-02-27 06:19:38
○ 2016-06-18 20:02:24
○ 2026-05-11 22:37:46

○A54.225.203.392015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 06:45:38
○ 2026-05-09 11:24:08
○ 2026-05-11 22:37:46

●CNAMEa4227bee1fec1cc09.awsglobalaccelerator.com2026-05-09 → 2026-05-11 · 3 obs

○ 2016-06-18 20:02:24
● 2026-05-09 11:24:08
● 2026-05-11 22:37:46

○CNAMEdc-12093-1387743486.us-east-1.elb.amazonaws.com2015-07-12 → 2016-06-18 · 4 obs

● 2015-07-12 06:45:38
● 2016-06-18 20:02:24
○ 2026-05-09 11:24:08
○ 2026-05-11 22:37:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	i.edu-servers.net, h.edu-servers.net, d.edu-servers.net, l.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:52.45.47.12

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: 236ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`a4227bee1fec1cc09.awsglobalaccelerator.c`

📌 Glue Records Collected

Total: 5

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

Analysis

IP Addresses

micro.cornell.edu points to two IP numbers: 3.33.190.73 and 15.197.181.37.

Other host names for instance cce.cornell.edu, human.cornell.edu, cornellbotanicgardens.org and a4227bee1fec1cc09.awsglobalaccelerator.com share IP numbers with micro.cornell.edu.

micro.cornell.edu - robtex.com