coinbound.io

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coinbound.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 03:24:03 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.74.144
  • 104.26.0.129
  • 104.26.1.129
  • 2606:4700:20::ac43:4a90
  • 2606:4700:20::681a:181
  • 2606:4700:20::681a:81

Mail Server IPs

  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA jill.ns.cloudflare.com dns.cloudflare.com 2400065124 10000 2400 604800 1800
Primary NS (mname)
jill.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400065124
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jill.ns.cloudflare.com
karl.ns.cloudflare.com

SPF Record

✗ Invalid
v=spf1 +a +mx +ip4:162.144.85.222 include:_spf.google.com include:mailgun.org include:5212896.spf06.hubspotemail.net include:mailgun.org include:5212896.spf06.hubspotemail.net include:bf06x.hubspotemail.net include:notifybf2.hubspot.com include:transactional.hubspotemail.net include:bf06.na3.hubspotemail.net~all
📊 DNS lookups: 11/10 — over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.

DMARC Record

✗ p=none
v=DMARC1; p=none ; rua=mailto:[email protected]; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • globalsign-domain-verification=07C43E0F827DEB0D39E2B17E3B0C1904
  • google-site-verification=Z918R4hifsqtlFFXlj4IjmG54Yb0b8c3f87VLtRUbpc
  • slack-domain-verification=dsl5dyvzas8iG1KSBjSBSYtMCEeAyuUYAuLKyiSi
  • SPFv=spf1 +a +mx +ip4:162.144.85.222 include:_spf.google.com include:mailgun.org include:5212896.spf06.hubspotemail.net include:mailgun.org include:5212896.spf06.hubspotemail.net include:bf06x.hubspotemail.net include:notifybf2.hubspot.com include:transactional.hubspotemail.net include:bf06.na3.hubspotemail.net~all
  • MS=CBE9D74DB6BA0BC6527332C44FE67C86F08ABB93
  • anthropic-domain-verification-tr1pv2=okLZvVtiGUe0fiyA41p8z3lkO
  • apple-domain-verification=yIw39OIKm29j21G5
  • asv=24049c2b033b19346dda3cfd0463bb3f
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