Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polarheatingandair.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:41:14 UTC · ↺ Refresh
MX Hostnames
- polarheatingandair-com.inbound.emailservice.io
- polarheatingandair-com.inbound.emailservice.cc
- polarheatingandair-com.inbound.emailservice.co
MX Priorities
- polarheatingandair-com.inbound.emailservice.io: 10
- polarheatingandair-com.inbound.emailservice.co: 30
- polarheatingandair-com.inbound.emailservice.cc: 20
A / AAAA Records
- 64.118.86.18 ↩ polarheatingandair.com
Mail Server IPs
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
SOA Record
Raw SOA
ns1.123servers.com support.123ehost.com 2026032603 3600 1800 1209600 86400
Primary NS (mname)
ns1.123servers.com
Admin Email (rname)
support@123ehost.com
Serial
2026032603
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.123servers.com
ns2.123servers.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.118.87.7 ip4:64.118.86.18 ip4:64.118.84.10 ip4:208.96.164.122 include:spf.protection.outlook.com include:spf.us.emailservice.io include:50964590.spf01.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 ip4:64.118.87.7 ip4:64.118.86.18 ip4:64.118.84.10 ip4:208.96.164.122 include:spf.protection.outlook.com include:spf.us.emailservice.io include:50964590.spf01.hubspotemail.net -all
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