gilderlehrman.org

Valid Email Server
Domain Lookup › gilderlehrman.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gilderlehrman.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 17:13:24 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 23.185.0.4 (no PTR)
  • 2620:12a:8000::4 (no PTR)
  • 2620:12a:8001::4

Mail Server IPs

  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA ns1.dnsbycomodo.net admin.dns.com 2026030601 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2026030601
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s

Nameservers (NS)

ns2.dnsbycomodo.net
ns1.dnsbycomodo.net

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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=k15Nq8EnTxEeLsh3fbezIL_Rz3Jff41Q7JHCx7zFISM
  • google-site-verification=kam3jsRnKWjuUHXV-w6q5FPjHSUPalo6iOnTc7oGho4
  • pardot941553=83a945c85061899e2c0a00e00b0222707950ad0fdfff38fcc45f3f47f9d5e877
  • SPFv=spf1 include:_spf.google.com include:aspmx.pardot.com ~all
  • apple-domain-verification=teYreUr7ntgkeOv5
  • google-site-verification=-m-aAe4pnw0SPO6Ng9Da2DsiZczbX06Y-T5E3idoAnY
  • google-site-verification=QjNIqhTBkW8Z6NaOe--NwhqjuTap6CChI-TcOEFDuqc
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