Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
praxair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:19:22 UTC · ↺ Refresh
MX Hostnames
- praxair-com.mail.protection.outlook.com
MX Priorities
- praxair-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.190.156.94 (no PTR)
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.cscdns.net premiumdns.support.neustar 1540 86400 3600 1728000 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
1540
Refresh
86400s
Retry
3600s
Expire
1728000s
Minimum TTL
86400s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.linde.com include:spf.praxair.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
9 records- ms-domain-verification=a92a485e-e8b2-4fc1-add6-1ae9e6fe2657
- HH5IEmJIllZZuG4gdv6UsVNTHci0Nae2IQK8l9/gCXSCxi+anTQQJfEPmLk1eACyFy/L+6j0T4YZpmSzSwExhg==
- adobe-idp-site-verification=a31587b08277ade555cc3eba3ced3fdc5102a7ac6d7827770ac529288204f016
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.linde.com include:spf.praxair.com -all
- MS=ms44863585
- 8gqr5zfqzlzhjcgk7zmvg1n5508qx4zq
- hf3dhrrprx8vvy9wcrp6ppccfntn2r6m
- m7jfg2744xn204q5k8trk6z9t8gfx9pn
- MS=B43B0D7796103495797DB81E6FE071392A3CEEED
Full email verification for praxair.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits