Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
vaughanhvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 09:11:16 UTC · ↺ Refresh
MX Hostnames
- vaughanhvac-com.mail.protection.outlook.com
MX Priorities
- vaughanhvac-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
dns080.a.register.com root.register.com 2020082516 28800 7200 604800 3600
Primary NS (mname)
dns080.a.register.com
Admin Email (rname)
root@register.com
Serial
2020082516
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns027.c.register.com
dns132.b.register.com
dns083.d.register.com
dns080.a.register.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; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=8Fgz1iS4H8lCkHUk6-MBeBp8P8M-zWvbF7rxAIWb58A
- MS=ms42965002
- google-site-verification=_pBPVr2Pc9l06ENgEvpdMVGyfSA7Ik-Qjs7jXwxL7Pc
- google-site-verification=JqkYwndfXhD1h6EVgUg5cqwmOPi0sI43hmOvwJrxcYI
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