Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
twclaw.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:57:17 UTC · ↺ Refresh
MX Hostnames
- cust55449-1.in.mailcontrol.com
- cust55449-2.in.mailcontrol.com
- twclaw-co-uk.mail.protection.outlook.com
MX Priorities
- twclaw-co-uk.mail.protection.outlook.com: 100
- cust55449-1.in.mailcontrol.com: 15
- cust55449-2.in.mailcontrol.com: 25
A / AAAA Records
- 35.214.115.195
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 85.115.52.190 ↩ cluster-a.mailcontrol.com
- 85.115.60.190 ↩ cluster-d.mailcontrol.com
SOA Record
Raw SOA
dns0.star.co.uk abuse.star.net.uk 2021100501 86400 7200 2419200 86400
Primary NS (mname)
dns0.star.co.uk
Admin Email (rname)
abuse@star.net.uk
Serial
2021100501
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns0.star.co.uk
dns1.star.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailcontrol.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
6 records- MS=ms91951778
- SPFv=spf1 include:spf.protection.outlook.com include:mailcontrol.com -all
- g5nrd98ehoejhnn8mmlnf97blr
- h7llgt8f4uteetm9aemc99f08
- nhe8b6idca71kv6rs9au3f2sbo
- emnsgh93btcaqqhd01nqiboksl
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 twclaw.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits