congruentmarketing.co.uk

Valid Email Server
Domain Lookup › congruentmarketing.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-27 23:22:32 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx1.sitehub.io
  • mx2.sitehub.io

MX Priorities

  • mx2.sitehub.io: 3600
  • mx1.sitehub.io: 3600

A / AAAA Records

  • 209.124.66.13 ↩ nl1-ts105.a2hosting.com

Mail Server IPs

  • 78.46.95.120 ↩ mx2.sitehub.io
  • 2a01:4f8:120:80c4::100 ↩ mx2.sitehub.io
  • 138.201.56.180 ↩ mx1.sitehub.io
  • 2a01:4f8:172:1199::100 ↩ mx1.sitehub.io

SOA Record

Raw SOA ns1.a2hosting.com root.nl1-ts105.a2hosting.com 2026020701 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@nl1-ts105.a2hosting.com
Serial
2026020701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.a2hosting.com
ns4.a2hosting.com
ns1.a2hosting.com
ns2.a2hosting.com

SPF Record

✓ Strict (-all)
v=spf1 a:mx1.sitehub.io a:mx2.sitehub.io mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;adkim=s;aspf=r;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

5 records
  • SPFv=spf1 a:mx1.sitehub.io a:mx2.sitehub.io mx -all
  • openai-domain-verification=dv-3q9ReVWlYQRybFAl0NGlenjC
  • brevo-code:7ce452e7f95d55f2f6a5408d9a636bd6
  • google-site-verification=UmIff6V_aGrDBqu955RXROFyNRGhB_Nat0tv1dC5YMoseodity-site-verification-30021ec685674dbfb4f21f94a77e62c4
  • seodity-site-verification-30021ec685674dbfb4f21f94a77e62c4
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for congruentmarketing.co.uk

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits