Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coolingandheating.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 12:18:36 UTC · ↺ Refresh
MX Hostnames
- mail.coolingandheating.co.uk
MX Priorities
- mail.coolingandheating.co.uk: 5
A / AAAA Records
- 104.21.45.13 (no PTR)
- 172.67.207.127 (no PTR)
- 2606:4700:3031::6815:2d0d (no PTR)
- 2606:4700:3037::ac43:cf7f (no PTR)
Mail Server IPs
- 185.230.220.82 ↩ svr01.getyourmobi.co.uk
SOA Record
Raw SOA
augustus.ns.cloudflare.com dns.cloudflare.com 2399437068 10000 2400 604800 1800
Primary NS (mname)
augustus.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399437068
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
desiree.ns.cloudflare.com
augustus.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:185.230.220.82 ip4:80.244.181.201 ip4:83.223.105.20 include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100;
✓ Reject — strongest protection
📋 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 a mx ip4:185.230.220.82 ip4:80.244.181.201 ip4:83.223.105.20 include:relay.mailchannels.net -all
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