Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
commhvac.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:58:35 UTC · ↺ Refresh
MX Hostnames
- d349833a.ess.barracudanetworks.com
- d349833b.ess.barracudanetworks.com
MX Priorities
- d349833a.ess.barracudanetworks.com: 10
- d349833b.ess.barracudanetworks.com: 10
A / AAAA Records
- 35.196.198.161 ↩ 161.198.196.35.bc.googleusercontent.com
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns.site5.com root.localhost.localdomain 2026012800 3600 7200 1209600 86400
Primary NS (mname)
dns.site5.com
Admin Email (rname)
root@localhost.localdomain
Serial
2026012800
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns.site5.com
dns2.site5.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:relays.webhost-mail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
2 records- MS=ms96638418
- SPFv=spf1 include:spf.protection.outlook.com include:relays.webhost-mail.com -all
Full email verification for commhvac.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits