Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hdt-auto.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:23:18 UTC · ↺ Refresh
MX Hostnames
- hdtauto-com0i.mail.protection.outlook.com
MX Priorities
- hdtauto-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 35.208.110.95 ↩ 95.110.208.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2026031501 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns71.domaincontrol.com
ns72.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:97.78.119.123 ip4:216.55.126.165 ip4:198.206.251.10 ip4:208.99.226.95 ip4:97.78.119.122 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 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
7 records- knowbe4-site-verification=3298437c3fe106afe0e2f6c42bd995bc
- ms-domain-verification=c949417c-92e8-4c3e-81ff-d40af7fb0c74
- MS=ms51858315
- SPFv=spf1 ip4:97.78.119.123 ip4:216.55.126.165 ip4:198.206.251.10 ip4:208.99.226.95 ip4:97.78.119.122 include:spf.protection.outlook.com -all
- ms-domain-verification=d5da56cc-0c31-45f8-8ccd-2b02497c147b
- ms-domain-verification=648097c0-5a7c-4d8f-a6e9-dcac6cb0a9b4
- apple-domain-verification=TJQNY8qxIzU2fP9u
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 hdt-auto.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits