Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
webbhvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:56:28 UTC · ↺ Refresh
MX Hostnames
- webbhvac-com.mail.protection.outlook.com
MX Priorities
- webbhvac-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
noah.ns.cloudflare.com dns.cloudflare.com 2404139817 10000 2400 604800 1800
Primary NS (mname)
noah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404139817
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
summer.ns.cloudflare.com
noah.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
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; 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
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._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
6 records- smartsheet-site-validation=ohxFai70cq6JSz9Zc6a-m4vWA52u2_q2
- SPFv=spf1 include:spf.protection.outlook.com -all
- v=spf2 include:relay.mailchannels.net -all
- google-site-verification=Cj058uHMWRCp0TuAWMd_y0diClUBvmAn040CVkzRjkE
- google-site-verification=KuxGcIkY7_bKfuQwSPekDbaaQBjleNB6DcwW8HF7L0o
- knowbe4-site-verification=7e471ab6b9c6036dc9a54899fc89e7ef
Full email verification for webbhvac.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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