schweitzer-online.de

Valid Email Server
Domain Lookup › schweitzer-online.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schweitzer-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 15:44:56 UTC · ↺ Refresh

MX Hostnames

  • mail.schweitzer-online.de

MX Priorities

  • mail.schweitzer-online.de: 10

A / AAAA Records

  • 195.162.31.55 (no PTR)

Mail Server IPs

  • 195.162.31.31 ↩ mail.schweitzer-online.de

SOA Record

Raw SOA nsa9.schlundtech.de do-not-reply.schweitzer-online.de 2025111301 3600 3600 604800 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
do-not-reply@schweitzer-online.de
Serial
2025111301
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

nsc9.schlundtech.de
nsd9.schlundtech.de
nsb9.schlundtech.de
nsa9.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:195.162.31.31 ip6:2a00:15e4:5f1:de::31 include:inxserver.com 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

✗ None detected

No 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

9 records
  • MS=ms91533742
  • BsLWLOuwiZP+KjYaf64CgoAHqjtyMcd+HJ0rLHQISN5cy4m5GIo/yQVf/DW1hNcuJTwrcyzNkZWNIYjjzPVszw==
  • atlassian-domain-verification=OnQ0hLzDQPJdHCW2Y54rrlPEqem2JEMN/R101ajEdSxPbNcsf5QEbdxL4X9qDESQ
  • 2ZqTemmnPuL1RO2zEglUm6iHAPaNZEEr4ktVlC1Zzt9qzEOx47BnpneFxk+QXtSnK2HTFlJLzWrYqxHBBJ2HCg==
  • facebook-domain-verification=4ndaizvi57jxo9i82f65b2axw4tdce
  • ppe-9d00752d2a462939fec5de2c116051ed89f826f83600
  • ZOOM_verify_jV-rtlbQQWub3vp_4ib5OA
  • SPFv=spf1 mx ip4:195.162.31.31 ip6:2a00:15e4:5f1:de::31 include:inxserver.com include:spf.protection.outlook.com -all
  • knowbe4-site-verification=662f755aa8adf828263905db010a1ecf
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 schweitzer-online.de

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

No credit card required
Get 1,000 Free Credits