Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dynamic-hvac.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:40:58 UTC · ↺ Refresh
MX Hostnames
- d340054a.ess.barracudanetworks.com
- d340054b.ess.barracudanetworks.com
MX Priorities
- d340054a.ess.barracudanetworks.com: 10
- d340054b.ess.barracudanetworks.com: 20
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.p06.nsone.net hostmaster.nsone.net 1556664004 43200 7200 1209600 3600
Primary NS (mname)
dns1.p06.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1556664004
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.p06.nsone.net
dns3.p06.nsone.net
dns4.p06.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p06.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
5 records- mscid=bErmr2V/Y2XApytOSZXOjdhLYhFH5V5QF1Oy+yv9P1EYFCv3Cb6f5ra4nUbqPaIdZDXcmXUoHOIXVOUdxbiCiw==
- apple-domain-verification=DCAGCvf6E7DPLGhR
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- google-site-verification=fxUgRhJD_JT6_bnQecnBn_avSJkci1gNED1dMocQPwI
- MS=ms80844871
Full email verification for dynamic-hvac.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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