Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
baldwinhvac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:00:11 UTC · ↺ Refresh
MX Hostnames
- baldwinhvac-com.mail.protection.outlook.com
MX Priorities
- baldwinhvac-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.85.200.0/24 ip4:69.85.193.0/24 ip4:209.222.80.0/21 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
8 records- apple-domain-verification=W4fO4dTJSLYUwGJU
- MS=ms62805128
- google-site-verification=PplzBb2lmUNADU23GwfRXlJpukh085FDI2SjJD2AqCc
- SPFv=spf1 ip4:69.85.200.0/24 ip4:69.85.193.0/24 ip4:209.222.80.0/21 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:amazonses.com -all
- google-site-verification=h0gn-MUUOmAvFLA-XY8hmJ8ZfXUpH_MlYgPYqrV_pxw
- MS=ms44519094
- zapier-domain-verification-challenge=72e41fa8-ff7c-4469-8667-ec61ed810b65
- google-site-verification=wZEE_DfmUsD3z60vCLUMmb-yyJGkJ6uPALJ6ESpsW54
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 baldwinhvac.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits