Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centrex.cc
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 20:10:43 UTC · ↺ Refresh
MX Hostnames
- centrex-cc.mail.protection.outlook.com
MX Priorities
- centrex-cc.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.74 (no PTR)
- 199.60.103.174 (no PTR)
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns07.domaincontrol.com dns.jomax.net 2025080803 28800 7200 604800 600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025080803
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns08.domaincontrol.com
pdns07.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.126.94.234/30 ip4:209.170.241.144/30 ip4:167.224.119.232/30 include:servers.mcsv.net include:spf.protection.outlook.com include:bmsend.com include:46997173.spf10.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
3 records- google-site-verification=WcXf7CNtyROtlu8mAXJTF8j4YoSNjD1Lkw7jqn7lQ20
- MS=ms74023303
- SPFv=spf1 ip4:50.126.94.234/30 ip4:209.170.241.144/30 ip4:167.224.119.232/30 include:servers.mcsv.net include:spf.protection.outlook.com include:bmsend.com include:46997173.spf10.hubspotemail.net -all
Full email verification for centrex.cc
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits