grayson.edu

Valid Email Server
Domain Lookup › grayson.edu

Domain Overview

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

Checked via [email protected] · 2026-03-19 00:00:20 UTC · ↺ Refresh

MX Hostnames

  • ALT3.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ALT1.ASPMX.L.GOOGLE.COM
  • ALT4.ASPMX.L.GOOGLE.COM
  • ALT2.ASPMX.L.GOOGLE.COM

MX Priorities

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

A / AAAA Records

  • 97.75.99.234

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net

SOA Record

Raw SOA ns1.grayson.edu executive.grayson.edu 2026030901 43200 7200 604800 21600
Primary NS (mname)
ns1.grayson.edu
Admin Email (rname)
executive@grayson.edu
Serial
2026030901
Refresh
43200s
Retry
7200s
Expire
604800s
Minimum TTL
21600s

Nameservers (NS)

ns3.grayson.edu
ns1.grayson.edu
ns2.grayson.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:107.20.210.250 ip4:52.1.14.157 include:_spf.google.com include:securityeducation.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

10 records
  • @.4FCADB906428CC3DEFD65233642EF06DC6B2D52B.msv1.invalid
  • SPFv=spf1 ip4:107.20.210.250 ip4:52.1.14.157 include:_spf.google.com include:securityeducation.com ~all
  • adobe-idp-site-verification=35c2314bc691a83fd7bc6c2c1c7458a8e4182c72f7b0279f8d61d74f8a976593
  • google-site-verification=vh4R8HGUW0EnRVG6HrM0NeapVyX5YiUhFDJGSkkzq2A
  • 1rnjracfq1g1hlh16mjpm3lbis
  • MS=4FE096774651912815BC37F62A5376B59598A7C9
  • Qpq3Ctp
  • 50gsa0e21i2str19u7bbvj986i
  • apple-domain-verification=g60Ryoy1YDBlSP0D
  • smartsheet-site-validation=yIlCijqLMRSXvr9Y6aGHq53sS7kUS9k6
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