heatsponge.com

Valid Email Server

Domain Overview

DNS: ✓ 21d ago Checker: ✓ 21d ago
heatsponge.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 22:56:35 UTC · ↺ Refresh

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MX Hostnames

  • heatsponge-com.mx62.com

MX Priorities

  • heatsponge-com.mx62.com: 0

A / AAAA Records

  • 23.235.203.91 (no PTR)

Mail Server IPs

  • 54.84.72.194 ↩ in03.mxguardian.net
  • 54.84.86.117 ↩ in01.mxguardian.net
  • 54.84.110.207 ↩ in02.mxguardian.net
  • 2600:1f18:260a:1a01:fb9d:b04e:e28c:477a ↩ in01.mxguardian.net
  • 2600:1f18:260a:1a02:6003:a1fd:5174:9c21 ↩ in02.mxguardian.net
  • 2600:1f18:260a:1a03:29c7:e27c:b51f:7863 ↩ in03.mxguardian.net

SOA Record

Raw SOA ns1.inmotionhosting.com machinemessages.forum.inmotionhosting.com 2026052007 86400 7200 3600000 86400
Primary NS (mname)
ns1.inmotionhosting.com
Admin Email (rname)
machinemessages@forum.inmotionhosting.com
Serial
2026052007
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.inmotionhosting.com
ns1.inmotionhosting.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:23.235.204.36 +ip4:23.235.203.91 +ip4:71.61.222.55 +include:rhostjh.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 +a +mx +ip4:23.235.204.36 +ip4:23.235.203.91 +ip4:71.61.222.55 +include:rhostjh.com ~all
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