Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calspan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:30:25 UTC · ↺ Refresh
MX Hostnames
- calspan-com.mail.protection.outlook.com
MX Priorities
- calspan-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.26.3.207 (no PTR)
- 104.26.2.207 (no PTR)
- 172.67.72.145
- 2606:4700:20::ac43:4891
- 2606:4700:20::681a:2cf
- 2606:4700:20::681a:3cf
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
benedict.ns.cloudflare.com dns.cloudflare.com 2400183972 10000 2400 604800 1800
Primary NS (mname)
benedict.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400183972
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
benedict.ns.cloudflare.com
kallie.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:192.149.230.100 ip4:72.215.149.190 ip4:71.251.21.10 ip4:204.131.81.114 ip4:167.89.11.197 ip4:65.141.187.10 include:spf.constantcontact.com include:spf.protection.outlook.com include:mailgun.org mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
7 records- atlassian-domain-verification=SCNAY5rYaTAEwzTlWXriOfRe0XZQc9h4xWW29pTgtagug68fPsxvfqET7KZvIdX5
- box-domain-verification=f66540e4a754e30b0b7010a183854afddd2c4f090770f0aed14dfefcb1982f73
- gitkraken-domain-verification=1266c8529456439776760ba42688949eb75b9dd1fae4dd4269fb7b91243348f0
- google-site-verification=kbr8runFP4Hxp6HAfg0ss-77QUOaEHRQTrAtELpLmH8
- SPFv=spf1 ip4:192.149.230.100 ip4:72.215.149.190 ip4:71.251.21.10 ip4:204.131.81.114 ip4:167.89.11.197 ip4:65.141.187.10 include:spf.constantcontact.com include:spf.protection.outlook.com include:mailgun.org mx ~all
- atlassian-domain-verification=/WgoaFxF350RlEgtsPnWZr0lOgI2aHUd0e8ucLEMv2avwfm8UhfFKLhcMCXh13LC
- atlassian-domain-verification=Iihfynp/i3stbWeNIn7NqQIjDgTet80SwXdbwVXya8BYUXCGKg60X3XcFDHJXhgm
Full email verification for calspan.com
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