Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gpogroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:36:46 UTC · ↺ Refresh
MX Hostnames
- gpogroup-com.mail.protection.outlook.com
MX Priorities
- gpogroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.151.41 (no PTR)
- 104.21.56.123 (no PTR)
- 2606:4700:3032::6815:387b
- 2606:4700:3035::ac43:9729
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ali.ns.cloudflare.com dns.cloudflare.com 2398549097 10000 2400 604800 1800
Primary NS (mname)
ali.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398549097
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zeus.ns.cloudflare.com
ali.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.tylin.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; fo=1; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
5 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.tylin.com -all
- 9Z5H3BSF0GSZ1Z4FIYK82PNEY0PLBR4ISBI4VQW8
- MS=ms78904373
- knowbe4-site-verification=99716a68e4f9df8cfac843cb62cc1559
- mscid=6LfTQBAhv7jWB0Iw4SXWm/D97G9hau/1DhkxexoqAlFw3kndn6DQZx7Wuk27G2Oy536AFn6BnpRiWqB3wpn2YQ==
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