Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalcar.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:15:43 UTC · ↺ Refresh
MX Hostnames
- nationalcar-com.mail.protection.outlook.com
MX Priorities
- nationalcar-com.mail.protection.outlook.com: 0
A / AAAA Records
- 148.78.93.27 ↩ apex-redir.nationalcar.com
- 2620:103:e002:226::1b ↩ apex-redir.nationalcar.com
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.enterprise.com dnsadmin.enterprise.com 2026021304 10800 3600 604800 86400
Primary NS (mname)
ns1.enterprise.com
Admin Email (rname)
dnsadmin@enterprise.com
Serial
2026021304
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.enterprise.com
ns3.enterprise.com
ns2.enterprise.com
ns1.enterprise.com
SPF Record
✓ Strict (-all)
v=spf1 include:mail.zendesk.com include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
12 records- MS=ms87844744
- ibmid=7e8683e3-a075-415c-8817-b867c9bae87c
- docusign=92f9f6ff-8cc0-4097-bf07-ac854c6d10c1
- d365mktkey=ErGz8tULGWyC27gJnIpWJ6wopiOtEJOEjJUa9UkN24ox
- d365mktkey=9n1S8kEGesU0vkpNDPhwiOzWFMmwLRH2VEmxbixzKUYx
- FL9uT5AOwLqlbdMFXPVVLgw9n+DG20GaIgyt6FZa8hCUj66CDz7m7HBzTpA1DM63LoLsHHB4dFfq886eC8cy7w==
- ZUV2NaQLbVUPkeg/rY3ME5Mre7ms1+hA8YGRFvq8G2T5MmVGqhty/M8IaA9BHMbXQ1qsObFdFmCOjJMOgmikmQ==
- tmes=d7e153660c1f589ca9a6ce7692152e74
- ZOOM_verify_74FyUlhSSFuGl4OmgA0o3V
- google-site-verification=Zo1eMwLvOoSZ26eIF3uLYGY78hKZ5BXQGLLnlknu59M
- SPFv=spf1 include:mail.zendesk.com include:amazonses.com include:spf.protection.outlook.com -all
- ErGz8tULGWyC27gJnIpWJ6wopiOtEJOEjJUa9UkN24ox.
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