Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cdl.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:36:24 UTC · ↺ Refresh
MX Hostnames
- cdl-co-uk.mail.protection.outlook.com
MX Priorities
- cdl-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 206.189.245.163 (no PTR)
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1466.awsdns-55.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1466.awsdns-55.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1466.awsdns-55.org
ns-1881.awsdns-43.co.uk
ns-275.awsdns-34.com
ns-693.awsdns-22.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- cdeb0d90643c40f9ad9f7f6540654d32
- dell-technologies-domain-verification=cdl.co.uk_7732d1ef-f533-4ba0-b4e7-10a41a76ea0f_1746361640
- Dynatrace-site-verification=6ce831b1-b910-4055-9573-829a7a780fd7__2b6v0d9c985k34202vmmkom5ak
- apple-domain-verification=u34eELOe3ePGv7vg
- _globalsign-domain-verification=8G03NjE8kOz0Xp2kpim3IJguLDG7xDxhtdTXINCbgD
- msfpkey=1q6awatze42oeni4erl6ztgpl
- bw=joumYlxyxbjm0NCLdjreNqm0c5DXH/r2iUfwYdLe07I3
- figma-domain-verification=14e18def05aa64ba4a1cb6eb8f3443038d2bb737f3edf67c84a0b7031d5e975b-1746106978
- MS=ms36185806
- adobe-idp-site-verification=952de8bc2ec101fd0a5b525eb4fefd9fbac8b5170b3bf99579cd124837f4691e
- asvdns_8f51fb8b-7d7e-4c22-85a9-bb927fa7cb42
- 9b+L6KMOrGPYTpYSkK5GityjlPQlS9C+VNrjRYQjHzdBX7e1Ttvwr5MpFfUV0RilRvqpGnxyUT5aEAnWDi4gsQ==
- storiesonboard-verification=35951C78C1AE48F796D5AF2AD22B8BA0
- jamf-site-verification=id2s-pLSaUkb492vxkVTnw
- atlassian-domain-verification=1Vv3bcX9Zq6rc7cHyS6Fclz5fgphekDY/LHt5uamnbSFceu66FESYfvYdTe1wdim
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 cdl.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits