Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hhheatingandair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 20:54:30 UTC · ↺ Refresh
MX Hostnames
- hhheatingandair-com.mail.protection.outlook.com
MX Priorities
- hhheatingandair-com.mail.protection.outlook.com: 0
A / AAAA Records
- 45.79.19.113 ↩ titan.zonedock.com
- 2600:3c00::f03c:95ff:fe3c:3931 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns1.zonedock.com hostmaster.zonedock.com 2026020701 3600 1800 1209600 86400
Primary NS (mname)
ns1.zonedock.com
Admin Email (rname)
hostmaster@zonedock.com
Serial
2026020701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.zonedock.com
ns4.zonedock.com
ns2.zonedock.com
ns3.zonedock.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.79.19.113 +a +mx +ip4:23.239.29.82 +ip4:72.14.191.50 +ip4:45.56.78.207 +include:spf.protection.outlook.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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:45.79.19.113 +a +mx +ip4:23.239.29.82 +ip4:72.14.191.50 +ip4:45.56.78.207 +include:spf.protection.outlook.com -all
- MS=ms36138377
- google-site-verification=Aca-AKgxRszW5FlaopgulHk00mZJmflSIC4j3oMyZ8w
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