simmons.edu

Valid Email Server
Domain Lookup › simmons.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
simmons.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 06:40:38 UTC · ↺ Refresh

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MX Hostnames

  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10
  • alt3.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 104.18.18.107
  • 104.18.19.107
  • 2606:4700::6812:126b
  • 2606:4700::6812:136b

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 64.233.180.26 ↩ on-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net

SOA Record

Raw SOA ns1.simmons.edu admins.simmons.edu 2026040102 3600 900 864000 900
Primary NS (mname)
ns1.simmons.edu
Admin Email (rname)
admins@simmons.edu
Serial
2026040102
Refresh
3600s
Retry
900s
Expire
864000s
Minimum TTL
900s

Nameservers (NS)

ns3.simmons.edu
ns4.simmons.edu
ns1.simmons.edu
ns2.simmons.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.simmons.edu ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

7 records
  • google-site-verification=dYWFA13kxMGuGFgOUqJUB7VrhCeW1wFR3TgiQMScFH0
  • _globalsign-domain-verification=0Tuj82iXCTK1W8-rMwqs5iONsKdLf3xD6iuYjYi8OQ
  • SPFv=spf1 include:_spf.simmons.edu ~all
  • coursera-domain-verification=nunxXeW8mcGhJ1Z8PC9zgwGWrfjuT4K92JnMrl0uWKtXg1JyZLEJY8S6yaz3NXt9
  • openai-domain-verification=dv-fuQ2s3yeSvjJOuigBVIaF45X
  • facebook-domain-verification=nwc8ird54xsly04u5ryxru3s9lxkkf
  • apple-domain-verification=vAUreLwE76BvLOCM
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