Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gcmchealth.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 13:59:15 UTC · ↺ Refresh
MX Hostnames
- d94674a.ess.barracudanetworks.com
- d94674b.ess.barracudanetworks.com
MX Priorities
- d94674b.ess.barracudanetworks.com: 11
- d94674a.ess.barracudanetworks.com: 10
A / AAAA Records
- 23.23.56.54 ↩ ec2-23-23-56-54.compute-1.amazonaws.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 125081312 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125081312
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.110.200.186 ip4:192.230.132.137 ip4:166.141.131.218 include:spf.ess.barracudanetworks.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.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];
~ 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: 216 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
8 records- _globalsign-domain-verification=NOq-RS1vVp5hvjlzdMxlgmsI8TXVj5xKH6n8fensCj
- MS=79965E430130CAB4D2EFA861ED10F66E49F634AB
- https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fgcmchealth.com&c=E,1,ojKIWW988aDDsp6EGVpcayGfQQkZArYDvABfdczvB8oGMDH0b8nvId2IwugQiNTcjIoJ9blB1qeTraFZMRzQW-9GYx6zitGOlV6-36CSHz2QRA,,&typo=1
- cisco-ci-domain-verification=3e10da9a2b463a95baf56c1d93728b8d6cfe6674ebad8e31aa8350897927f243
- duo_sso_verification=yqGbVlR5OAYlSEWNq4B9SmSoqYqBxJyERsenmuTqXa1c5WvkRYNVOmIK8EIUQBsA
- SPFv=spf1 ip4:192.110.200.186 ip4:192.230.132.137 ip4:166.141.131.218 include:spf.ess.barracudanetworks.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
- apple-domain-verification=piowaik18bZHsAND
- _b0vdpxrp275odqff5k72nr5zre6u0w2
Full email verification for gcmchealth.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits