Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmt-corp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:03:04 UTC · ↺ Refresh
MX Hostnames
- gmtllc-com-1.fortimailcloud.com
- gmtllc-com-2.fortimailcloud.com
MX Priorities
- gmtllc-com-1.fortimailcloud.com: 10
- gmtllc-com-2.fortimailcloud.com: 20
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 148.230.56.131 ↩ proxyda22.fortimailcloud.com
- 159.48.178.132 ↩ proxysjc20.fortimailcloud.com
SOA Record
Raw SOA
ns3.worldnic.com namehost.worldnic.com 125021502 10800 3600 604800 3600
Primary NS (mname)
ns3.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125021502
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns4.worldnic.com
ns3.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.fortimailcloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- sdfvcd5u9h5ba7orh00clp1o1u
- j34qfrri48549c28j5vaorgmh4
- MDAyMzM5NjJnbXQtY29y
- MS=ms91743778
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.fortimailcloud.com -all
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