Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hvacsol.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 00:30:34 UTC · ↺ Refresh
MX Hostnames
- d19634a.ess.barracudanetworks.com
- d19634b.ess.barracudanetworks.com
- hvacsol-com.mail.protection.outlook.com
MX Priorities
- d19634a.ess.barracudanetworks.com: 10
- hvacsol-com.mail.protection.outlook.com: 0
- d19634b.ess.barracudanetworks.com: 9
A / AAAA Records
- 205.178.189.131
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
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908::
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 126022012 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022012
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns58.worldnic.com
ns57.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:209.222.80.0/21 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=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
3 records- google-site-verification=u0SeKc_Km82KE6vpEW39Gp3wK-YcySwOPK1AiRTZWrw
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:209.222.80.0/21 -all
- duo_sso_verification=LK6IBykMsHiJ3sQ5R2SGv1hGftIxUqR533J9RywGzau3xZhbZ7xPKcI9RNtNNwHj
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