Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thelondonoffice.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:08:15 UTC · ↺ Refresh
MX Hostnames
- mail.thelondonoffice.com
MX Priorities
- mail.thelondonoffice.com: 10
A / AAAA Records
- 185.215.37.19 ↩ swift458.swiftinter.net
Mail Server IPs
- 185.215.37.19 ↩ swift458.swiftinter.net
SOA Record
Raw SOA
ns1.mylondonserver.com tom.mycosupport.co.uk 2024121201 10800 3600 604800 10800
Primary NS (mname)
ns1.mylondonserver.com
Admin Email (rname)
tom@mycosupport.co.uk
Serial
2024121201
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.swiftinternet.co.uk
ns0.swiftinter.net
ns0.mylondonserver.com
ns.thelondonoffice.com
ns1.mylondonserver.com
ns1.swiftinter.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=0
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
2 records- SPFv=spf1 +a +mx -all
- google-site-verification=wrinj1Dba_dMnHV-ok8dZ-SGmJ4HIvfbMTiqKKJawAE
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
See demo & docs
Deep verification
Full email verification for thelondonoffice.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits