Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
advantageheatingcs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 07:49:42 UTC · ↺ Refresh
MX Hostnames
- advantageheatingcs-com.mail.protection.outlook.com
MX Priorities
- advantageheatingcs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.164.103 (no PTR)
- 104.21.50.169 (no PTR)
- 2606:4700:3035::ac43:a467
- 2606:4700:3035::6815:32a9
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
anastasia.ns.cloudflare.com dns.cloudflare.com 2396510852 10000 2400 604800 1800
Primary NS (mname)
anastasia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396510852
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anastasia.ns.cloudflare.com
emerson.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s2._domainkey
✓ Public key: 216 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.protection.outlook.com -all
- duo_sso_verification=VbClfhTvTj84qPnC7Cbyd3DgImP4d3jlzklsO6pVDJowqeUMtcQVOwGuzOZaXkFO
- google-site-verification=4zhmmUi2IjajOLd_Yq_0NeYxj-3Mll0T6bQZtXt7bH0
- mscid=HIVjljFd285Tbt16aeexykHnaRTEHqr/WqPKuoIZxrv/tAd3P3J0jX1lDeZ66v0M1WOF8ftm8dYN0e7uQfEm/w==
Full email verification for advantageheatingcs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits