Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caxton.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:47:00 UTC · ↺ Refresh
MX Hostnames
- caxton-com.mail.protection.outlook.com
MX Priorities
- caxton-com.mail.protection.outlook.com: 5
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010243 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010243
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf1.caxton.com ip4:204.122.12.0/28 ip4:204.122.8.0/28 ip4:74.217.224.76 ip4:40.65.111.175 ip4:193.128.118.169 ip4:104.192.140.20/30 ip4:45.62.176.106 ip4:45.62.186.164 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- openai-domain-verification=dv-RdBu7RvSGypycmJpUs7XecEC
- cisco-ci-domain-verification=3d42fe60ef31cdb82b1ede27b8d804e3b287b1f2d62a06869b8d4b7b18264298
- SPFv=spf1 include:spf.protection.outlook.com include:spf1.caxton.com ip4:204.122.12.0/28 ip4:204.122.8.0/28 ip4:74.217.224.76 ip4:40.65.111.175 ip4:193.128.118.169 ip4:104.192.140.20/30 ip4:45.62.176.106 ip4:45.62.186.164 -all
- atlassian-domain-verification=bp32gfAAGou2RYoSjstyWlU0x8EGoFh9DdxDTiGohfjCgRg0jryaju9lZ8kc3UUF
- apple-domain-verification=jEaT4obd0KtxlnEA
- teamviewer-sso-verification=2cdb26797930421eb8c09c736b1160b4
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