architecture.cornell.edu - robtex.com

architecture.cornell.edu

CNAMEsitedetour.com
DNSSEC⚠️ Not signed
A3.224.123.132πŸ‡ΊπŸ‡Έ Amazon3.224.0.0/12 EC2 IAD prefix
PTRec2-3-224-123-132.compute-1.amazonaws.com
A35.171.238.11πŸ‡ΊπŸ‡Έ Amazon35.168.0.0/13 EC2 IAD prefix
NSns-1931.awsdns-49.co.uk ⭐
A2600:9000:5307:8b00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5307::/48 - CloudFront
PTRns-1931.awsdns-49.co.uk
A205.251.199.139πŸ‡ΊπŸ‡Έ Amazon205.251.199.0/24 prefix
PTRns-1931.awsdns-49.co.uk
NSns-1500.awsdns-59.org
A2600:9000:5305:dc00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5305::/48 - CloudFront
PTRns-1500.awsdns-59.org
A205.251.197.220πŸ‡ΊπŸ‡Έ Amazon205.251.197.0/24 prefix
PTRns-1500.awsdns-59.org
NSns-7.awsdns-00.com
A2600:9000:5300:700::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5300::/48 - CloudFront
PTRns-7.awsdns-00.com
A205.251.192.7πŸ‡ΊπŸ‡Έ Amazon205.251.192.0/24 prefix
PTRns-7.awsdns-00.com
NSns-977.awsdns-58.net
A2600:9000:5303:d100::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5303::/48 - CloudFront
PTRns-977.awsdns-58.net
A205.251.195.209πŸ‡ΊπŸ‡Έ Amazon205.251.195.0/24 prefix
PTRns-977.awsdns-58.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A142.250.141.26πŸ‡ΊπŸ‡Έ Google142.250.141.0/24
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1aπŸ‡¨πŸ‡± Google2800:3f0:4003::/48
A108.177.123.26πŸ‡ΊπŸ‡Έ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27πŸ‡ΊπŸ‡Έ Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTgoogle-site-verification=MDqQqdiF-r1_c-omsVbfJ3Gtl4TFs-zVMnJ8fmZgg1g
TXTgoogle-site-verification=dpQIFnJ3p5LHVpGF57XzNIl_LWcuwHW7HRtIC9rOufg
TXTproxy-ssl.webflow.com
TXTsite24x7-signals-domain-verification=52615da223caee5322cb9e73f078b8f3
TXTv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOdGjITVnnj8GNXK0keCX...
TXTv=spf1 include:_spf.google.com ~all
SOAns-1931.awsdns-49.co.ukawsdns-hostmaster@amazon.com serial=1

cornell.edu

DNSSEC⚠️ Not signed
A128.253.173.241πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.242πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.243πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.244πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.245πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.246πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
NSdns.cit.cornell.edu ⭐
NSbigred.cit.cornell.edu
NScudns.cit.cornell.edu
NSdrdns.cit.cornell.edu
NSdrdns2.cit.cornell.edu
MXcornell-edu.mail.protection.outlook.com ⭐
TXTgoogle-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
TXTautodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
TXTY29ybmVsbA==
TXTNmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...
TXTadobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...
TXTv=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...
TXTapple-domain-verification=R62yGBLwZW9fUKsm
TXTgoogle-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
TXTfacebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
TXT7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
TXTsending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...
TXTgoogle-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0
SOAdns.cit.cornell.edunsmaster@cornell.edu serial=3605110602
WOT: SAFE (63/100)
rank #215 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)
πŸ“ˆ Tranco rank: #590
cornell.edu - Tranco Rank (30d: ↓-107)468480500520540560580600606Mar 29Apr 8Apr 18Apr 28May 8May 9Rank#480#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:

ServiceDetails
Nameserversbigred.cit.cornell.edu,cudns.cit.cornell.edu,dns.cit.cornell.edu, plus cloud-hosted DR servers on Microsoft Azure and AWS
MailMicrosoft 365 (cornell-edu.mail.protection.outlook.com)
Web HostingSix redundant IPs (128.253.173.241-246) on Cornell's own AS (CORNELL-AS)
DNSSECNot enabled (unsigned zone)

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

Subdomains

Same first word

Similar names

DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026A128.84.202.180132.236.204.136CNAMEsitedetour.comidstatic.cit.cornell.edulb-static-cstack.cit.cornell.edu
β—‹A128.84.202.1802016-10-30 β†’ 2016-10-30 Β· 4 obs
β—‹ 2016-05-23 07:47:48
● 2016-10-30 13:18:38
β—‹ 2026-05-02 22:05:14
β—‹ 2026-05-11 10:08:42
β—‹A132.236.204.1362015-08-20 β†’ 2016-05-23 Β· 4 obs
● 2015-08-20 21:39:28
● 2016-05-23 07:47:48
β—‹ 2016-10-30 13:18:38
β—‹ 2026-05-11 10:08:42
β—‹CNAMEidstatic.cit.cornell.edu2015-08-20 β†’ 2016-05-23 Β· 4 obs
● 2015-08-20 21:39:28
● 2016-05-23 07:47:48
β—‹ 2016-10-30 13:18:38
β—‹ 2026-05-11 10:08:42
β—‹CNAMElb-static-cstack.cit.cornell.edu2016-10-30 β†’ 2016-10-30 Β· 4 obs
β—‹ 2016-05-23 07:47:48
● 2016-10-30 13:18:38
β—‹ 2026-05-02 22:05:14
β—‹ 2026-05-11 10:08:42
●CNAMEsitedetour.com2026-05-02 β†’ 2026-05-11 Β· 3 obs
β—‹ 2016-10-30 13:18:38
● 2026-05-02 22:05:14
● 2026-05-11 10:08:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
edul.edu-servers.net, e.edu-servers.net, m.edu-servers.net, i.edu-servers.net...-
cornell.edubigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu...5 records

βœ… 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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.edu (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

πŸ“„ Records

TypeCountSample Data
CNAME1sitedetour.com

πŸ“Œ Glue Records Collected

Total: 5

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

Analysis

Hierarchy

The parent of www.architecture.cornell.edu is architecture.cornell.edu.

IP Addresses

architecture.cornell.edu resolves to two IP numbers: 3.224.123.132 and 35.171.238.11.

Other host names, for instance friskies.ro, catchow.com.co, lc1.it, wobenzym.co and maggi.info share IP numbers with architecture.cornell.edu.

Name Servers

architecture.cornell.edu's delegation is handled by four name servers: ns-7.awsdns-00.com, ns-977.awsdns-58.net, ns-1500.awsdns-59.org and ns-1931.awsdns-49.co.uk.

architecture.cornell.edu partially shares name servers with other domains; examples include getprepped.com, erplinux.com.br, larynx-svc-gammafront-na.amazon.com, bigpotgame.com and amargon.net.

Host names with two IPs:

ns-7.awsdns-00.com points to 2600:9000:5300:700::1 and 205.251.192.7

ns-977.awsdns-58.net points to 2600:9000:5303:d100::1 and 205.251.195.209

ns-1500.awsdns-59.org points to 2600:9000:5305:dc00::1 and 205.251.197.220

ns-1931.awsdns-49.co.uk points to 2600:9000:5307:8b00::1 and 205.251.199.139

Mail Servers

Five mail servers handle architecture.cornell.edu: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

architecture.cornell.edu shares some mail servers with other domains, at least partially, such as ns500758.ns500759.ns500758.ns500736.ns500698.ns500736.ns500576.ns500708.ns500698.ns500698.ns500576.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500698.ns500758.ns500758.ns500758.ns500698.ns500736.ns500735.ns500698.ns500736.ns500735.ns500698.ns500576.ns500708.ns500619.ns500652.ns500619.trackreceptor.com, ns500698.ns500759.ns500758.ns500758.ns500698.ns500698.ns500698.ns500736.ns500698.ns500708.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500759.ns500759.ns500698.ns500758.ns500735.ns500735.ns500736.ns500698.ns500735.ns500736.ns500698.ns500708.ns500708.ns500686.ns500652.ns500576.ns500576.trackreceptor.com and ns500731.ns500754.ns500754.ns500754.ns500731.ns500671.ns500671.ns500678.ns500671.ns500131.lustychickser.com.

These mail servers are often used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4023:c06::1a and 142.250.141.26

alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.27

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1b and 192.178.209.26