Is cornell.edu a Disposable Email?

Whitelisted

cornell.edu is a verified legitimate email provider. Emails from this domain are safe to accept.

Details

Status
whitelisted
Added
2025-09-03
Last Checked
2026-07-16
Reason
domain is limited to colleges and universities

Website Preview

Screenshot of cornell.edu

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API Playground

Check cornell.edu programmatically — pick your language, copy, run. No authentication required.

curl https://trashmail-blacklist.org/check/json/cornell.edu
Live response
Click "Run" to fetch the JSON response for cornell.edu.

Also available as xml, yaml, or img — replace json in the URL.

DNS Records

MX Records

  • cornell-edu.mail.protection.outlook.com

NS Records

  • bigred.cit.cornell.edu
  • cudns.cit.cornell.edu
  • dns.cit.cornell.edu
  • drdns.cit.cornell.edu
  • drdns2.cit.cornell.edu

SOA Record

  • dns.cit.cornell.edu
  • nsmaster@cornell.edu

A Records

  • 128.253.173.241
  • 128.253.173.242
  • 128.253.173.243
  • 128.253.173.244
  • 128.253.173.245
  • 128.253.173.246

TXT Records

  • 7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
  • D750B9F1EBA3435D9D77F95792265223
  • NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/qnhAhPy8yg==
  • adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435b4e4eaf76000127
  • apple-domain-verification=R62yGBLwZW9fUKsm
  • autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
  • facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
  • google-site-verification=2Fa7hSAy-FAwrMvWZafs9FUqgGxiNrzJExOmdf5HWAo
  • google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
  • google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
  • google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0
  • notion-domain-verification=mTQLByaJiMJcaoejfap0w1HqVtit4gqXfxNE3z57ugv
  • sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa974950b97
  • v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com -all

SPF Includes

  • _spf.google.com
  • spf.protection.outlook.com
  • _spf.qualtrics.com

Domain Network

Connections between domains, mail servers, nameservers, and shared infrastructure.

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FAQ

Is cornell.edu a disposable email provider?

No, cornell.edu is whitelisted and considered a legitimate email provider.

Can I use cornell.edu for account registration?

cornell.edu is a legitimate email provider and safe to accept for account registrations.

How can I block disposable emails from cornell.edu?

Use the Trashmail-Blacklist API to check cornell.edu before accepting it in your application. Send a GET request to /check/json/cornell.edu to receive the domain status as JSON. Integrate this check into your signup or contact forms to automatically reject disposable email addresses.

What data is available for cornell.edu?

cornell.edu is whitelisted as a legitimate provider. We provide its status, DNS records, and related domains sharing the same mail server.

Block Disposable Emails Automatically

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