Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
longworth-uk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 21:16:11 UTC · ↺ Refresh
MX Hostnames
- longworthuk-com02c.mail.protection.outlook.com
- longworth.in.tmes.trendmicro.eu
MX Priorities
- longworthuk-com02c.mail.protection.outlook.com: 10
- longworth.in.tmes.trendmicro.eu: 5
A / AAAA Records
- 176.58.98.236
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.146
SOA Record
Raw SOA
ns1.linode.com dev.theblackeyeproject.co.uk 2021000005 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
dev@theblackeyeproject.co.uk
Serial
2021000005
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.linode.com
ns5.linode.com
ns1.linode.com
ns4.linode.com
ns3.linode.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:spf.hes.trendmicro.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:spf.hes.trendmicro.com -all
- MS=ms77797646
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 longworth-uk.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits