Is upenn.edu a Disposable Email?

Whitelisted

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

Details

Status
whitelisted
Added
2025-09-07
Last Checked
2026-07-26
Reason
domain is limited to colleges and universities

Website Preview

Screenshot of upenn.edu

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API Playground

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

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

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

DNS Records

MX Records

  • mxa-00390e01.gslb.pphosted.com
  • mxb-00390e01.gslb.pphosted.com

NS Records

  • adns1.nnn.upenn.edu
  • adns2.nnn.upenn.edu
  • adns3.nnn.upenn.edu
  • adns4.upenn.edu
  • adns5.upenn.edu
  • adns6.upenn.edu
  • dns1.udel.edu
  • dns2.udel.edu

SOA Record

  • ipam1.nnn.upenn.edu
  • hostmaster@upenn.edu

A Records

  • 23.185.0.4
  • 2620:12a:8000::4
  • 2620:12a:8001::4

TXT Records

  • 0850FA77764BD1CBAEEDDB31282A3244
  • KO71GJZC894IG1PGQC0AIXUV2G6A8EXBGSMTW1QX
  • anthropic-domain-verification-3mac1g=J3Hgt9mjdh1LaP7MtfIfyPJBv
  • atlassian-domain-verification=maiZsC5JWjh1XYgMeCPA+Eu/1WPEcyn+n7TzXs5ukNzEV/GQRRHFl4jgohfUpHvV
  • docusign=78297198-f708-4232-b63b-9ce516ae54a1
  • google-site-verification=USSLz8fKaD900NdBD87OEjo0zVYS1RwVyebE0-rN1II
  • onetrust-domain-verification=114427d55783472c9c6399070d36a7a6
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all

SPF Includes

  • %{ir}.%{v}.%{d}.spf.has.pphosted.com
  • spf.protection.outlook.com
  • spf.penno365.isc.upenn.edu

Related Domains by Mail Server

3 other domains also use mxa-00390e01.gslb.pphosted.com as their mail server.

Domain Network

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

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FAQ

Is upenn.edu a disposable email provider?

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

Can I use upenn.edu for account registration?

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

How can I block disposable emails from upenn.edu?

Use the Trashmail-Blacklist API to check upenn.edu before accepting it in your application. Send a GET request to /check/json/upenn.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 upenn.edu?

upenn.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

Integrate our free API into your signup flow to detect domains like upenn.edu before they reach your database.