extis.de

Valid Email Server
Domain Lookup › extis.de

Domain Overview

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

Checked via [email protected] · 2026-03-22 08:44:44 UTC · ↺ Refresh

MX Hostnames

  • mail.extis.de

MX Priorities

  • mail.extis.de: 10

A / AAAA Records

  • 195.201.143.71 ↩ static.71.143.201.195.clients.your-server.de

Mail Server IPs

  • 116.203.16.42 ↩ mail.extis.de
  • 2a01:4f8:c0c:8f92::1 ↩ mail.extis.de

SOA Record

Raw SOA inf1.extis.de postmaster.extis.de 2020012400 14400 1800 604800 86400
Primary NS (mname)
inf1.extis.de
Admin Email (rname)
postmaster@extis.de
Serial
2020012400
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

inf1.extis.net
inf2.extis.net

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

2 records
  • google-site-verification=MmWmLQBkAbFkk8dXoCNs86p4BjxbuqIoSDaP_ras2X0
  • SPFv=spf1 mx -all
Full email verification for extis.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits