sobireg.de

Valid Email Server
Domain Lookup › sobireg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sobireg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 21:21:56 UTC · ↺ Refresh

MX Hostnames

  • sobireg-de.mail.protection.outlook.com
  • server.sobireg.de

MX Priorities

  • sobireg-de.mail.protection.outlook.com: 0
  • server.sobireg.de: 10

A / AAAA Records

  • 80.150.6.143 ↩ tld.t-online.de
  • 2003:2:2:15:80:150:6:143

Mail Server IPs

  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 87.128.102.76 ↩ server.sobireg.de

SOA Record

Raw SOA dns01-tld.t-online.de dns.telekom.de 2023090101 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2023090101
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns01-tld.t-online.de
dns02-tld.t-online.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
selector2._domainkey
✓ DKIM properly configured for selector: selector2

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms19015988
  • bx9L0fvsUH6kf+9clNPN/DhuEE2jyIE7QOw6UgAFaNvv5TQXTEz2NdGxYhSIOPoY/zmcy+ub/VOR9tdymtFGZw==
  • SPFv=spf1 a mx 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
See demo & docs
Deep verification
Full email verification for sobireg.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits