Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pestingerheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:13:19 UTC · ↺ Refresh
MX Hostnames
- pestingerheating-com.mail.protection.outlook.com
MX Priorities
- pestingerheating-com.mail.protection.outlook.com: 10
A / AAAA Records
- 50.63.8.122 ↩ 122.8.63.50.host.secureserver.net
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.domaincontrol.com dns.jomax.net 2026031200 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns47.domaincontrol.com
ns48.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:p3nlsmtp01-01.prod.phx3.secureserver.net a:p3nlsmtp17.shr.prod.phx3.secureserver.net a:p3nlsmtp01-05.prod.phx3.secureserver.net a:p3nlsmtp15.shr.prod.phx3.secureserver.net a:p3nlsmtp01-07.prod.phx3.secureserver.net a:p3nlsmtp13.shr.prod.phx3.secureserver.net a:p3nlsmtp20.shr.prod.phx3.secureserver.net exists:%{i}._spf.inkyphishfence.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ppe-6219bac63ac65e838d559ceb0f02eb9f4a731321
- SPFv=spf1 include:spf.protection.outlook.com a:p3nlsmtp01-01.prod.phx3.secureserver.net a:p3nlsmtp17.shr.prod.phx3.secureserver.net a:p3nlsmtp01-05.prod.phx3.secureserver.net a:p3nlsmtp15.shr.prod.phx3.secureserver.net a:p3nlsmtp01-07.prod.phx3.secureserver.net a:p3nlsmtp13.shr.prod.phx3.secureserver.net a:p3nlsmtp20.shr.prod.phx3.secureserver.net exists:%{i}._spf.inkyphishfence.com -all
- MS=54F7F75395AE83B034D5A95B72D121C64CB5E8EE
- MS=ms99611325
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
Verify actual deliverability to pestingerheating.com
SMTP handshake, catch-all detection, custom validation rules, and Yahoo/Outlook/Gmail verification — know if the mailbox truly exists before you send.
Get 1,000 Free Credits