williams.edu

Valid Email Server
Domain Lookup › williams.edu

Domain Overview

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

Checked via [email protected] · 2026-03-27 02:01:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.194.161
  • 104.21.44.33

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns1.williams.edu postmaster.williams.edu 2260326273 300 300 86400 300
Primary NS (mname)
ns1.williams.edu
Admin Email (rname)
postmaster@williams.edu
Serial
2260326273
Refresh
300s
Retry
300s
Expire
86400s
Minimum TTL
300s

Nameservers (NS)

ns1.williams.edu
ns2.williams.edu
ns3.williams.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:137.165.4.27 ip4:137.165.4.207 ip4:137.165.4.24 ip4:137.165.4.26 ip4:137.165.8.2 ip4:137.165.37.207 include:_spf.google.com include:_spf.williams.edu include:_spf2.williams.edu include:servers.mcsv.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

9 records
  • 0ed1fe018a7b71f65d22114b4b9da9df
  • apple-domain-verification=0MPd8UC1G8k1Mb1y
  • e2ma-verification=ruacb
  • SPFv=spf1 ip4:137.165.4.27 ip4:137.165.4.207 ip4:137.165.4.24 ip4:137.165.4.26 ip4:137.165.8.2 ip4:137.165.37.207 include:_spf.google.com include:_spf.williams.edu include:_spf2.williams.edu include:servers.mcsv.net ~all
  • airtable-manual-domain-verification=e53b078b-2905-436c-9d6c-413e234ba78e
  • google-site-verification=Cb1g11utG6WfwSrNx_UmQbH5O2LJTbo6P45DosHWkp8
  • MS=90A312B78833EE638AE73AA86001C51FB1A2FF50
  • adobe-idp-site-verification=095dc338e80d653d4421a384e9a060383a5cbca803e36bfbf1ac64ca3c8cfd6b
  • cisco-ci-domain-verification=6a14ee0ccd952b38a54b4b9b62eee9699c3846a3207c45a23342e1dac74ff1cf
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