stwb.de

Valid Email Server
Domain Lookup › stwb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stwb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 15:06:29 UTC · ↺ Refresh

MX Hostnames

  • mail.stwb.de
  • smtp.stwb.de

MX Priorities

  • smtp.stwb.de: 50
  • mail.stwb.de: 20

A / AAAA Records

  • 185.175.196.67 (no PTR)

Mail Server IPs

  • 212.204.61.46 ↩ mail.stwb.de

SOA Record

Raw SOA ns69.domaincontrol.com dns.jomax.net 2026011901 28800 7200 604800 600
Primary NS (mname)
ns69.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns69.domaincontrol.com
ns70.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.atlas-brb.net a:mx-service01.sivdc.services a:mx-service02.sivdc.services ip4:212.204.63.72 ip4:212.204.63.20 ip4:212.204.63.57 ip4:185.175.196.147 ip4:157.90.236.0 ip4:193.28.16.0/20 ip4:195.145.240.216/29 ip4:212.204.61.40/29 include:spf.protection.outlook.com include:ispgateway.de ip6:2003:64:6016:0:0:0:0:2 ip4:62.157.220.218 include:_spf.aov.de -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

7 records
  • MS=ms31159602
  • google-site-verification=za_ICVx2NNRXfLYqrWs4MhRoy7O75Ayi3xTfdvogW6o
  • SPFv=spf1 mx a:mail.atlas-brb.net a:mx-service01.sivdc.services a:mx-service02.sivdc.services ip4:212.204.63.72 ip4:212.204.63.20 ip4:212.204.63.57 ip4:185.175.196.147 ip4:157.90.236.0 ip4:193.28.16.0/20 ip4:195.145.240.216/29 ip4:212.204.61.40/29 include:spf.protection.outlook.com include:ispgateway.de ip6:2003:64:6016:0:0:0:0:2 ip4:62.157.220.218 include:_spf.aov.de -all
  • brevo-code:671af0d3ecfa99e1de8b29a49c58e0f2
  • google-site-verification=KT-WIpBsvgHT_BY7nCpAXg3_h0X5TexPY2XQqma0Kq0
  • zone-ownership-verification-f71aeb304732c5cd5c8a3e1c047df22309e7270702d196c96460166f353719d4
  • MS=ms80467587
Full email verification for stwb.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits