Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
deerheatingcooling.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 14:13:12 UTC · ↺ Refresh
MX Hostnames
- deerheatingcooling-com.inbound.emailservice.io
- deerheatingcooling-com.inbound.emailservice.cc
- deerheatingcooling-com.inbound.emailservice.co
MX Priorities
- deerheatingcooling-com.inbound.emailservice.co: 30
- deerheatingcooling-com.inbound.emailservice.io: 10
- deerheatingcooling-com.inbound.emailservice.cc: 20
A / AAAA Records
- 3.132.161.141 ↩ ec2-3-132-161-141.us-east-2.compute.amazonaws.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
earl.ns.cloudflare.com dns.cloudflare.com 2401273798 10000 2400 604800 1800
Primary NS (mname)
earl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401273798
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
earl.ns.cloudflare.com
nelly.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.us.emailservice.io -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 include:spf.us.emailservice.io -all
- MS=ms42591282
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