Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentryroof.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:43:19 UTC · ↺ Refresh
MX Hostnames
- d177396a.ess.barracudanetworks.com
- d177396b.ess.barracudanetworks.com
MX Priorities
- d177396b.ess.barracudanetworks.com: 10
- d177396a.ess.barracudanetworks.com: 5
A / AAAA Records
- 35.197.61.130 ↩ 130.61.197.35.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
ns1.dreamhost.com hostmaster.dreamhost.com 2024011600 16518 600 1814400 300
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2024011600
Refresh
16518s
Retry
600s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
ns3.dreamhost.com
ns1.dreamhost.com
ns2.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=Tfgv5OweLFEcgaslHAK43HJxKGoa0HTa66vd15Hz9xU
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf.ess.barracudanetworks.com -all
Full email verification for sentryroof.com
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