Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
email.gnc.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 22:21:13 UTC · ↺ Refresh
MX Hostnames
- mxb.mailgun.org
- mxa.mailgun.org
MX Priorities
- mxb.mailgun.org: 10
- mxa.mailgun.org: 10
A / AAAA Records
- 13.111.18.27 ↩ ej27.mta.exacttarget.com
Mail Server IPs
- 34.160.13.42 ↩ 42.13.160.34.bc.googleusercontent.com
- 34.160.157.95 ↩ 95.157.160.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns1.exacttarget.com hostmaster.exacttarget.com 2024062100 7200 3600 1209600 3600
Primary NS (mname)
ns1.exacttarget.com
Admin Email (rname)
hostmaster@exacttarget.com
Serial
2024062100
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4.exacttarget.com
ns1.exacttarget.com
ns2.exacttarget.com
ns3.exacttarget.com
SPF Record
✓ Strict (-all)
v=spf1 include:cust-spf.exacttarget.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=20; sp=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✗ None detectedNo 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
4 records- 972ea2947dbb41cc910f6d7380c1f10c
- SPFv=spf1 include:cust-spf.exacttarget.com -all
- google-site-verification=pNMgKlR9abI5cjg7Dw81AECgvq_4QDrR1hKZVWxXg6g
- google-site-verification=PsB3uyGNllsD1NJcmU3hM07gHh1T0TGj2Fs8z4ugYOI
Full email verification for email.gnc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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