Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gantrex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 10:46:01 UTC · ↺ Refresh
MX Hostnames
- gantrex-com.mail.protection.outlook.com
MX Priorities
- gantrex-com.mail.protection.outlook.com: 1
A / AAAA Records
- 188.208.36.232 ↩ 188.208.36.232.static.hosted.by.combell-ops.net
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.combell.net hostmaster.gantrex.com 1758116150 10800 3600 604800 40000
Primary NS (mname)
ns3.combell.net
Admin Email (rname)
hostmaster@gantrex.com
Serial
1758116150
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s
Nameservers (NS)
ns1.combell.eu
ns4.combell.net
ns3.combell.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:96.83.165.161 ip4:66.225.152.233 ip4:75.146.71.89 ip4:212.166.42.120 ip4:195.238.20.130 ip4:40.68.5.156 ip4:52.157.89.224 include:spf.emailsignatures365.com include:spf.exclaimer.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:docebosaas.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ 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- google-site-verification=5roarKFRb905At31p20GlIgGS7p4Qwk4Pvy691dZ4pA
- SPFv=spf1 ip4:96.83.165.161 ip4:66.225.152.233 ip4:75.146.71.89 ip4:212.166.42.120 ip4:195.238.20.130 ip4:40.68.5.156 ip4:52.157.89.224 include:spf.emailsignatures365.com include:spf.exclaimer.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:docebosaas.com -all
- DKIMv=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApr1OwPeGxH8TKzOcdNE5zoHuQJuEE3+MgdZGaK21UV0UfGBoSbwBiLbxvbRyKhxWSO+OgDwVz+xqSzSVP7F2woM80uSvX7yE9j3sMtgXOM02ioanOqvQJbf/10YWHThhbl7FNVNyisNBWbffREu9xmrODK3hHySrZRv41H432su5PL7TR6kSdRbYr4SDec1bK
- 5he1ofltf3poi9fsqh5n6f2bva
Full email verification for gantrex.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits