Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
stm.info
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-03 07:41:41 UTC · ↺ Refresh
MX Hostnames
- stm-info.mail.protection.outlook.com
MX Priorities
- stm-info.mail.protection.outlook.com: 0
A / AAAA Records
- 207.253.122.40 (no PTR)
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
ns29.domaincontrol.com dns.jomax.net 2026052601 28800 7200 604800 600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026052601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns29.domaincontrol.com
ns30.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.stm.info._spf.dmarcli.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
17 records- 88690600-4bb1-4efc-9616-1def6ed3e220
- atlassian-domain-verification=gcqL/z2KKl7e1PE8j1oHDPgyoHuI94kxiguzKZ0KKFkKLzVT2Z75DQV6B7o9k1D3
- miro-verification=c7fb5409e5ec9216c251886e2e3a19c911880ce3
- f6347d3d-32c9-4531-882a-6f72b1cb7fd8
- google-site-verification=wkwT7sGSBVK40Gw_FegfK-mPUT8gB_djO6c_0zzkWVI
- google-site-verification=9DzaL-SkVwUKBsLRa7ZEd8hbGcyAENU1J4IXhZ38po4
- paloaltonetworks-site-verification=5cadc9f654a4053dcbca8e017aec6095a152a468cbfe4d648341278027920bba
- google-site-verification=EkdTjrF-uqTyFhW-eq_v_H_MN4JvO-57stHsfMvAiko
- apple-domain-verification=1fyBllqrI2ehTcoq
- 02310ea7-df32-4253-be43-cfc958599104
- _yg7z4yel1gh8dxtd7oklgca8zdfg1og
- facebook-domain-verification=7qh4uvx2c3w6azro3jnezi4igudc3d
- SPFv=spf1 include:_u.stm.info._spf.dmarcli.com -all
- +IXIiQOXg/p9fkzLjYe9SkQpXOlmQyOOBWv4r/1os+5QNrCMr9hY5uTt3JmK/NpUjnfpaUx8NVKciW2iNOedNA==
- MS=ms51195486
- _369z4jltvhqz0smh1qilhaqhmvnlg0v
- xFknaooSHx235gitOnB3
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 · Customize →
See demo & docs
Deep verification
Full email verification for stm.info
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits