Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cps.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:14:55 UTC · ↺ Refresh
MX Hostnames
- cps-co-uk.mail.protection.outlook.com
MX Priorities
- cps-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 172.66.151.66 (no PTR)
- 104.20.36.83 (no PTR)
- 2606:4700:10::ac42:9742
- 2606:4700:10::6814:2453
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ashley.ns.cloudflare.com dns.cloudflare.com 2399500461 10000 2400 604800 1800
Primary NS (mname)
ashley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399500461
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jose.ns.cloudflare.com
ashley.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:marketing.dynamics.com include:spf.exclaimer.net a:vpce2k19azure.cps.co.uk -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600;rua=mailto:[email protected];ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:marketing.dynamics.com include:spf.exclaimer.net a:vpce2k19azure.cps.co.uk -all
- vqoq3loset7kuv2mtp15g6vu1j
- bw=m3gOLcz4FnxXrRBrQ/sX5FIs54Eorz71NMiGBdbtByQR
- d365mktkey=5o0tw78oyv91w1hiy1bft8r9z
- feh6qoe7hmqkt8totqigbbinq
- gg3tyKbMz/d451M6OYuGoTBbw6albeJmvAdgr5dpWiOZeuWTZuMvL9UspsSvySRodHRC22yIPqMaksMT9LLQaw==
- google-site-verification=qL7EiaksmF9N5lght1uYvGJx6wa7v3E2b5A2uhW4yC8
- m5o0msjbqtvf47v3ol1892msao
- msfpkey=qpmhfcq9ows29rfwbth86kze
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 cps.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits