customheat.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
customheat.co.uk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 22:36:18 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.216.67 (no PTR)
  • 104.21.16.223 (no PTR)
  • 2606:4700:3034::6815:10df
  • 2606:4700:3036::ac43:d843

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA bella.ns.cloudflare.com dns.cloudflare.com 2397109786 10000 2400 604800 1800
Primary NS (mname)
bella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397109786
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brad.ns.cloudflare.com
bella.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mailgun.org include:sendgrid.net include:relay.mailchannels.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
google._domainkey
k1._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

5 records
  • google-site-verification=YhZ51ZuhJG7tHU2u723YR0gvC_cSMwhcklsDNIQaJQA
  • linkedin-site-verification=7531fc71-e45e-451d-ad62-989a43237710
  • SPFv=spf1 include:_spf.google.com include:mailgun.org include:sendgrid.net include:relay.mailchannels.net ~all
  • facebook-domain-verification=9x7r6nnh9tqgac5jyi2btb83j0iyhi
  • facebook-domain-verification=a280orej1ils6w05ge6qbgy4ycbt2r
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