Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thelondonclinic.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 09:46:55 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns0.uk.colt.net dns-requests.colt.net 2026021101 39940 14400 604800 3600
Primary NS (mname)
ns0.uk.colt.net
Admin Email (rname)
dns-requests@colt.net
Serial
2026021101
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns0.uk.colt.net
ns1.uk.colt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:80.6.91.150 ip4:18.168.51.200 ip4:18.168.140.58 ip4:148.59.101.16/28 include:_netblocks.mimecast.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- atlassian-domain-verification=5sL3jOu/rdYYx6IAWllmgLLbP4dmR2Tiz1gZASgknuDExy/zP4gyp4WpLZiWtPdz
- google-site-verification=1PZ8Dy20xgOjRhWfXMVzahCdUGAaRZtoUF0eIF7KSJU
- SPFv=spf1 ip4:80.6.91.150 ip4:18.168.51.200 ip4:18.168.140.58 ip4:148.59.101.16/28 include:_netblocks.mimecast.com include:spf.protection.outlook.com ~all
- 0ed1fe018a63e271617de44b1985b480a65a030abd
- atlassian-domain-verification=2fgjH/kFvVKvmm/WgYVkrnPfSizY4zGK/ayVWHCjTgYrZEEmNTrHfLlaMHZJFnYB
- d365mktkey=IajzGKI9hMQxhH1IWhK0bpxeVB1rYUT2sAmMumvD6ncx
- MS=CBDE85CAB03F308BCB439D1DEAF3845311F2F99C
- nintex.5ed0d901b4247c0c007e4671
- onetrust-domain-verification=9a9d465dadc84c618ec01f13b5639d74
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 thelondonclinic.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits