Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
gmrc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 00:21:36 UTC · ↺ Refresh
MX Hostnames
- gmrc-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 192.33.191.48
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
gtmnew.gmrc.com
gtmgrin.gmrc.com
ns2.gmrc.com
ns1.gmrc.com
ns4.gmrc.com
ns3.gmrc.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.33.191.0/24 ip4:166.78.70.126 ip4:44.217.46.251 ip4:198.244.50.181 ip4:35.174.145.124 include:spf.protection.outlook.com include:mailgun.org include:grinnell.inspectionhost.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]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- atlassian-domain-verification=LAn2D41X8jm1TgaaTaJvdyuez6sRKhBhJSoRCfbRVwlyqAVxiQagmwHyf3WuLqCx
- UCFKyBThwxifQp3qv3CEUbSzCL7nD7NII3TxCXDg8NROZmkln1/zpwe2Z2xoNytN29+x0R2cIH8TEzhNH+1mBA==
- SPFv=spf1 ip4:192.33.191.0/24 ip4:166.78.70.126 ip4:44.217.46.251 ip4:198.244.50.181 ip4:35.174.145.124 include:spf.protection.outlook.com include:mailgun.org include:grinnell.inspectionhost.com -all
- Dpchi+UytO3snmpLfXG5TXeUiuAUAeandFDCXL0YJCXc6exjNj/AZQjW2Ttjjxjc3BNrH+whT8XNQt2ZQPWfLQ==
- knowbe4-site-verification=85cecb850951aec9906e5d61b61c8d2b
Full email verification for gmrc.com
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