colostate.edu

Valid Email Server
Domain Lookup › colostate.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
colostate.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 12:57:59 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • colostate-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 129.82.103.91 ↩ BOWMAR.ColoState.EDU
  • 129.82.103.79 ↩ HASTY.ColoState.EDU
  • 129.82.103.78
  • 129.82.103.64
  • 129.82.103.16
  • 129.82.103.93

Mail Server IPs

  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA rush.colostate.edu dnsadmin.colostate.edu 21499046 900 600 86400 3600
Primary NS (mname)
rush.colostate.edu
Admin Email (rname)
dnsadmin@colostate.edu
Serial
21499046
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns4.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf-spamcanners.colostate.edu include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

13 records
  • adobe-idp-site-verification=8de254c105ee1eb2eb07e4221bd7af78734ebe7d685bad79fd98cf5e5c904c3c
  • apple-domain-verification=Y6oBOTLKzYUaytew
  • Y24NZ2FD1R3ZR8ESYQNP4L4AC1N4SSZFYNTNY6IZH
  • SPFv=spf1 include:spf-spamcanners.colostate.edu include:spf.protection.outlook.com ~all
  • sprout-social-f24fb5e0-4fc4-4163-8e05-2932855b548b
  • canva-site-verification=UlyOFaWjIjwCTOqoV_OERQ
  • asv=f73f002617ea89e75703e1248185b78f
  • klaviyo-site-verification=XheDV3
  • google-site-verification=j4-C5DYYef-WWTOPOimSmHsHFY7jVnxAp-VGvS6Riyo
  • MS=ms62117612
  • /6X84hdUjbuHwmtBmf/DK0uPBLo9ZPKiwVFLBkvxwRL3mzFlUprjiuX7c4czI84rk6R8FEjIVyiPIMp62VkL0w==
  • formstack-domain-verification=d99078028e2c5982dd7c1a2044406de8
  • atlassian-domain-verification=/ToU5/mhDI/YiZtMsmBq5w39aLNr1NyBub6LrqHwP/uRthz5UbQeJa/iW1tTzj/o
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