Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pneumatech.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:08:10 UTC · ↺ Refresh
MX Hostnames
- pneumatech-biz.mail.protection.outlook.com
MX Priorities
- pneumatech-biz.mail.protection.outlook.com: 10
A / AAAA Records
- 66.76.35.82 ↩ pneumatech.groupm7.com
- 2602:fcc9:777:1:66:76:35:82 ↩ pneumatech.biz
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.groupm7.com dns.groupm7.com 2022041406 10800 300 604800 300
Primary NS (mname)
ns1.groupm7.com
Admin Email (rname)
dns@groupm7.com
Serial
2022041406
Refresh
10800s
Retry
300s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.groupm7.com
ns2.groupm7.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.groupm7.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.groupm7.com -all
- MS=ms11348996
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 pneumatech.biz
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits