Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
penningtonwilliams.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:04:22 UTC · ↺ Refresh
MX Hostnames
- penningtonwilliams-co-uk.mail.protection.outlook.com
MX Priorities
- penningtonwilliams-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 185.199.220.84 ↩ aragats-lon.cloudhosting.uk
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.iccreative.co.uk simon.iccreative.co.uk 2026022201 3600 1800 1209600 86400
Primary NS (mname)
ns1.iccreative.co.uk
Admin Email (rname)
simon@iccreative.co.uk
Serial
2026022201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.iccreative.co.uk
ns1.iccreative.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- google-site-verification=2uF9ZJOKbeXDDuMQ4V7BNDojm4tYrVdbbCyxLJEkcbE
- 2022012414294337qjkrg8o49ncdk0w8wvavzwxbzh0ku44ze177vns3m1lu3bl7
- 201903221029083la3imqfra92aoarnholyqs5drhwp8e2amk92rhc3ez2mq9uef
- 202003270940595heeipd3oqbd3q0tt08enkc5epfky07tyb5wtmypu2kkixt9sl
- SPFv=spf1 include:spf.protection.outlook.com -all
- 201903221235225mpwrcmmqppx0pz9ch5p5g8mr046h07u076xqdxrvsfubhrxsh
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 penningtonwilliams.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits