Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christianhvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 04:22:55 UTC · ↺ Refresh
MX Hostnames
- christianhvac-com.mail.protection.outlook.com
MX Priorities
- christianhvac-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:12.130.236.2 ip4:100.42.120.128/27 ip4:100.42.115.0/27 ip4:69.84.129.224/27 ip4:208.70.208.0/22 ip4:173.161.232.233 ip4:173.161.244.113 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
7 records- google-site-verification=_UTH14zWhVmasYDCL-HmeZ7AXBiABWFtoAeofY45msA
- MS=ms26621771
- MS=ms52797515
- SPFv=spf1 a mx ip4:12.130.236.2 ip4:100.42.120.128/27 ip4:100.42.115.0/27 ip4:69.84.129.224/27 ip4:208.70.208.0/22 ip4:173.161.232.233 ip4:173.161.244.113 include:spf.protection.outlook.com -all
- zapier-domain-verification-challenge=b9c6d56c-a284-4854-994a-37044d9a53c1
- 6p8v10j099d4g37e2qdcss3878
- apple-domain-verification=KucXNIPmNR1hCJJI
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