Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centralheatingandcooling.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 00:55:19 UTC · ↺ Refresh
MX Hostnames
- centralheatingandcooling-com.mail.protection.outlook.com
MX Priorities
- centralheatingandcooling-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.86.81.229 ↩ nginx.c1.e.node.sfs.io
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
- google-site-verification=6lVOhmuN-HigHY_rGtZArXyybVoV6pdmoMfLLEisSQc
- zapier-domain-verification-challenge=8eff73f9-f814-41e9-bada-ab23e287b334
- "MS=ms61777872"
Full email verification for centralheatingandcooling.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits