esu3.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
esu3.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 16:25:56 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • fortimail-east.esucc.org
  • fortimail-west.esucc.org
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • fortimail-west.esucc.org: 5
  • fortimail-east.esucc.org: 5
  • alt3.aspmx.l.google.com: 30
  • alt4.aspmx.l.google.com: 30
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 20
  • aspmx.l.google.com: 10

A / AAAA Records

  • 205.202.253.170 ↩ cfprod2019.esu3.org

Mail Server IPs

  • 162.127.3.10 ↩ fortimail-west.esucc.org
  • 162.127.3.2 ↩ fortimail-east.esucc.org
  • 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
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010266 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010266
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns14.digicertdns.net
ns15.digicertdns.net
ns10.digicertdns.com
ns11.digicertdns.com
ns12.digicertdns.com
ns13.digicertdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:205.202.253.0/24 ip4:205.202.254.0/24 ip4:205.202.245.0/24 ip4:162.127.10.0/24 ip4:162.127.3.0/24 ip4:199.36.164.0/22 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
google._domainkey
default._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
  • ggprodspuvo34cc3hppldkd345
  • SPFv=spf1 include:_spf.google.com ip4:205.202.253.0/24 ip4:205.202.254.0/24 ip4:205.202.245.0/24 ip4:162.127.10.0/24 ip4:162.127.3.0/24 ip4:199.36.164.0/22 ~all
  • MS=027F8E453541408F79A4E82E1A625CDB0BB172D2
  • google-site-verification=XTBIf5JfKjKafPBOgR65ALYb5mH9yx0Rx1W0Zb80Guw
  • apple-domain-verification=ihl9MjAF5lzbi6QC
  • duo_sso_verification=oritz4pS9HyMFRJ6o5IwpRSsKjKPo9YkMZ3XSkfn8IJjYvkOx541hOJwA0z8wjLu
  • google-site-verification=LEVD3sBW5klC25CQiEU_b0TjqaeBAeIuA_Y42JmJR6c
  • adobe-idp-site-verification=32335d45252f724593faf23e28c480f87c8d6468aa554c0e919428a203b7d01f
  • 36ga2ufnffm8fj0hoi5fqfn26g
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