gaproofing.co.uk

Valid Email Server
Domain Lookup › gaproofing.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-27 15:38:25 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • gaproofing.co.uk

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10
  • gaproofing.co.uk: 20
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 185.194.90.21 ↩ dende-lon.krystal.uk

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 185.194.90.21 ↩ dende-lon.krystal.uk
  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns1.krystal.uk admin.k-validator-dende-lon.krystal.uk 2026022401 3600 1800 1209600 86400
Primary NS (mname)
ns1.krystal.uk
Admin Email (rname)
admin@k-validator-dende-lon.krystal.uk
Serial
2026022401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.krystal.uk
ns2.krystal.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:185.194.90.21 a mx ip4:77.72.1.17 include:relay.k.io ~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

✓ 3 found
default._domainkey
s1._domainkey
s2._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

2 records
  • google-site-verification=BXd09YPGx6EpO-_gz4gr3lqFPv8IGqAAR8ntEFNr8z8
  • SPFv=spf1 ip4:185.194.90.21 a mx ip4:77.72.1.17 include:relay.k.io ~all
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