Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cambridgeplumbing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:24:20 UTC · ↺ Refresh
MX Hostnames
- cambridgeplumbing-com.mail.protection.outlook.com
MX Priorities
- cambridgeplumbing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 173.254.28.201 ↩ just2013.justhost.com
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns97.worldnic.com namehost.worldnic.com 125102718 10800 3600 604800 3600
Primary NS (mname)
ns97.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125102718
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns98.worldnic.com
ns97.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:75.156.11.101 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=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: 392 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 ip4:75.156.11.101 include:spf.protection.outlook.com -all
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7ktpsQXLTQHE0e3pNu+vi++VNPxV4OEK1FqCF0aI4x0Qq7ZPgrGIoAIGfZQHSXzMr5gSD1yfhEkCiUO5HWpj+F4QH36IHc8ztBPgorD9iFJV4lOrjBSlrzecEoCvlhtP0kgvPB4OxdC13UkwLRbLo3G8gTw3wY+GpBsvyZOrWquk2Hjx+I/QEuPUPKwEpWyqpYHDyjAkexu2b3lQH54D/TgB6JFU1M+Uab+v8LPf94az0l/msXxqo10seE/1cqA07VP3rBLu+7GeWKGys0a5hU1XrpPcZ57+HkY2Fl4foNXpJp2cNMzFcxzFbor6c+kUjxt+e597psByVSgJCvTNqQIDAQAB;
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 cambridgeplumbing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits