subgen.ai

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
subgen.ai
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 08:36:37 UTC · ↺ Refresh

MX Hostnames

  • subgen-ai.mail.protection.outlook.com

MX Priorities

  • subgen-ai.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.72.242 (no PTR)
  • 104.26.1.56 (no PTR)
  • 104.26.0.56
  • 2606:4700:20::681a:138
  • 2606:4700:20::ac43:48f2
  • 2606:4700:20::681a:38

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA nash.ns.cloudflare.com dns.cloudflare.com 2397272508 10000 2400 604800 1800
Primary NS (mname)
nash.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397272508
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

veronica.ns.cloudflare.com
nash.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=5; rua=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v=verifydomain MS=7622734
  • atlassian-domain-verification=PPEbVYJ5KFxnx9jBaLBhbcgrYpF8VTbSZAbyFASYa0XWg4poUHNRIwr7zfKEivCf
  • stripe-verification=E29F7698F1010763BE44517F8C681292FBA9A5CF5E6C7435F079595D2AA835D1
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