gssco.com

Valid Email Server
Domain Lookup › gssco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gssco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 08:08:21 UTC · ↺ Refresh

MX Hostnames

  • gssco-com.mail.protection.outlook.com

MX Priorities

  • gssco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145 (no PTR)
  • 198.185.159.144 (no PTR)

Mail Server IPs

  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com

SOA Record

Raw SOA ns25.domaincontrol.com dns.jomax.net 2025061700 28800 7200 604800 3600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025061700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns25.domaincontrol.com
ns26.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:166.144.195.94 ip4:166.211.214.249 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • DKIMv=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy1RGK4IxqLyfvcsQBglKI2kOv4LkbE1zSIdNPCbRCU1Z/BMAobzvANlCNCx2nEUFmy7ysPSNAG/nSlpvjnX48gJtMogupffSq3g+3TganOTvwf0POXieoyrMp8+9El9dYvoPtpu89nxQ4q5XSuUDFZ7DQU/hH8vP/DSQLoH4tBfHM7wQitLB68j18L2uPBEQGxaXgmXrfJ9OFVO/hN9jakuRdoTLfBkOrJNjUlLJXbwkBFpnsnFdcQnNe7DZxQHqvIAXI8RkyKfH86GO5+O/R+vCPJoLJwQTlciBueJXbXs8LwjDcgIMZz9gcpxraXbaZmRohJv5pOka7lCaASia7wIDAQAB
  • SPFv=spf1 ip4:166.144.195.94 ip4:166.211.214.249 include:spf.protection.outlook.com -all
  • MS=ms65646945
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