Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coldairheatingandac.shop
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 17:34:49 UTC · ↺ Refresh
MX Hostnames
- mail.coldairheatingandac.shop
MX Priorities
- mail.coldairheatingandac.shop: 10
A / AAAA Records
- 205.209.118.139 ↩ vda7800b.trouble-free.net
Mail Server IPs
- 205.209.118.139 ↩ vda7800b.trouble-free.net
SOA Record
Raw SOA
vda7800a.trouble-free.net hostmaster.coldairheatingandac.shop 2026030703 3600 3600 1209600 86400
Primary NS (mname)
vda7800a.trouble-free.net
Admin Email (rname)
hostmaster@coldairheatingandac.shop
Serial
2026030703
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
vda7800b.trouble-free.net
vda7800a.trouble-free.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:205.209.118.138 include:relay.mailbaby.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ip4:205.209.118.138 include:relay.mailbaby.net ~all
- google-site-verification=dGdPrg51FMeVq8zD2DPeGq79mZzGIKNgDPoJyNqnOYc
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