stb-lein.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
stb-lein.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-19 21:12:21 UTC ยท โ†บ Refresh

MX Hostnames

  • line1b.virus-defence.de
  • line1a.virus-defence.de

MX Priorities

  • line1a.virus-defence.de: 10
  • line1b.virus-defence.de: 30

A / AAAA Records

  • 92.205.174.201 โ†ฉ 201.174.205.92.host.secureserver.net

Mail Server IPs

  • 80.82.218.16 โ†ฉ line1a.virus-defence.de
  • 87.190.16.131 โ†ฉ line1b.virus-defence.de

SOA Record

Raw SOA ns15.domaincontrol.com dns.jomax.net 2025110619 28800 7200 604800 600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025110619
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns16.domaincontrol.com
ns15.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:80.237.132.52 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ 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
  • MS=ms48169350
  • SPFv=spf1 ip4:80.237.132.52 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for stb-lein.de

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

No credit card required
Get 1,000 Free Credits