stb-koenigshofen.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
stb-koenigshofen.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-19 20:54:40 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 87.106.152.222 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.hosting.de hostmaster.stb-koenigshofen.de 2025102800 86400 7200 3600000 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@stb-koenigshofen.de
Serial
2025102800
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s

Nameservers (NS)

ns1.hosting.de
ns3.hosting.de
ns2.hosting.de

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de include:onlineinfodienst.de -all
๐Ÿ“Š DNS lookups: 3/10
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“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โš  Public key (p=) missing in DKIM record for selector google.

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:spfext.espectrum-hosting.de include:onlineinfodienst.de -all
  • MS=ms80327458
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-koenigshofen.de

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

No credit card required
Get 1,000 Free Credits