Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4hvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 13:26:24 UTC · ↺ Refresh
MX Hostnames
- 4hvac-com.mail.protection.outlook.com
MX Priorities
- 4hvac-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
noah.ns.cloudflare.com dns.cloudflare.com 2399594738 10000 2400 604800 1800
Primary NS (mname)
noah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399594738
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
noah.ns.cloudflare.com
summer.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 A MX include:spf.protection.outlook.com include:pm.mtasv.net include:ab.mtasv.net ip4:162.144.71.225 ip4:104.245.209.192/26 ip4:50.31.156.96/27 ip4:50.31.205.204/30 ip4:50.31.205.0/24 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; adkim=r; aspf=r; ri=86400; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- smartsheet-site-validation=UV10FFgr5vL0vKCEXanZBQf3IdD4YJgN
- SPFv=spf1 A MX include:spf.protection.outlook.com include:pm.mtasv.net include:ab.mtasv.net ip4:162.144.71.225 ip4:104.245.209.192/26 ip4:50.31.156.96/27 ip4:50.31.205.204/30 ip4:50.31.205.0/24 -all
- ZOOM_verify_hMINZhWVOvZ2GDPMqIBN5s
- dropbox-domain-verification=jj5zoevnnqay
- google-site-verification=IgiqPR-bEFkIPdFXlKfoieMezgA6S8yR-RXJSZ3D7oo
- google-site-verification=ZJzWKiAQTMCVY41IqJwjZaTX6ADnY2BvB9pUDEHTosM
- knowbe4-site-verification=7e471ab6b9c6036dc9a54899fc89e7ef
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