frontlinefit.co.uk

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 14:57:25 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.151.30.180 ↩ 185-151-30-180.ptr4.stackcp.net
  • 2a07:7800::180

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 185.151.28.67 ↩ mx.stackmail.com
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns1.stackdns.com hostmaster.stackdns.com 1710414289 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1710414289
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns3.stackdns.com
ns4.stackdns.com
ns2.stackdns.com
ns1.stackdns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.stackmail.com a mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • NETORGFT11458444.onmicrosoft.com
  • SPFv=spf1 include:spf.stackmail.com a mx -all
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