Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
nac-hvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 05:57:09 UTC · ↺ Refresh
MX Hostnames
- nachvac-com0i.mail.protection.outlook.com
MX Priorities
- nachvac-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.13.14 (no PTR)
- 104.18.12.14 (no PTR)
- 2606:4700::6812:d0e
- 2606:4700::6812:c0e
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
joel.ns.cloudflare.com dns.cloudflare.com 2403848549 10000 2400 604800 1800
Primary NS (mname)
joel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403848549
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nola.ns.cloudflare.com
joel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:173.165.250.65/28 ip4:50.203.55.194/30 ip4:208.80.200.0/21 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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- MS=ms50250189
- google-site-verification=PUjjoF9vmBRPWLTme5tRw_4f9QGHww_4OTJseMHfotA
- SPFv=spf1 a ip4:173.165.250.65/28 ip4:50.203.55.194/30 ip4:208.80.200.0/21 include:spf.protection.outlook.com -all
- MS=ms44342162
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