Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
hvacinvestigators.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 08:38:36 UTC · ↺ Refresh
MX Hostnames
- hvacinvestigators-com.mail.protection.outlook.com
MX Priorities
- hvacinvestigators-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
demi.ns.cloudflare.com dns.cloudflare.com 2401137477 10000 2400 604800 1800
Primary NS (mname)
demi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401137477
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
demi.ns.cloudflare.com
vern.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.sendergen.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=YHHezrRGxvaskijqU9f78cumDmnMoz-5gTn9mdYYPso
- google-site-verification=nsbabk_jWy4x9_UcPU6FpMX26d5dssn2Uym3-JuFhrc
- google-site-verification=um3TXPFdMawIjoQxmuL6hW_R23zJwLNDRk_iUXyDWY0
- ms14969938
- sending_domain70302=7737a8eb0c1fb48a6b4bff0ce966d2b58106a3fa2d835b5f5193069f30a8c0d1
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.sendergen.com include:_spf.salesforce.com -all
- NETORGFT14359784.onmicrosoft.com
- ca3-adde033e3c8e49a694289695fdaaa074
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for hvacinvestigators.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits