Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
tdeure.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-03 11:22:06 UTC · ↺ Refresh
MX Hostnames
- tdeure-com.mail.protection.outlook.com
MX Priorities
- tdeure-com.mail.protection.outlook.com: 10
A / AAAA Records
- 216.239.38.21 ↩ any-in-2615.1e100.net
- 216.239.32.21 ↩ any-in-2015.1e100.net
- 216.239.34.21
- 216.239.36.21
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.5 ↩ mail-cy4pr03cu00105.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f90a::4 ↩ mail-bnypr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy7pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns41.domaincontrol.com dns.jomax.net 2018010412 28800 7200 604800 3600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2018010412
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns42.domaincontrol.com
ns41.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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 tdeure.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits