catalysis.de

Valid Email Server
Domain Lookup › catalysis.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
catalysis.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 18:36:38 UTC · ↺ Refresh

MX Hostnames

  • smtp.catalysis.de

MX Priorities

  • smtp.catalysis.de: 4

A / AAAA Records

  • 78.47.47.61 ↩ www545.your-server.de

Mail Server IPs

  • 193.174.14.6 ↩ smtp.catalysis.de

SOA Record

Raw SOA srv-dns-ext.catalysis.de root.catalysis.de 2026031002 10800 3600 604800 86400
Primary NS (mname)
srv-dns-ext.catalysis.de
Admin Email (rname)
root@catalysis.de
Serial
2026031002
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns-2.dfn.de
dns-1.dfn.de
dns-3.dfn.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:193.174.14.6 include:agenturserver.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

4 records
  • @catalysis.de. IN NAPTR 100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de.
  • adobe-idp-site-verification=e1e787a537f4720fe10ecbd772d5a1b7068839be73b904e6c2f0692b11e6052d
  • cisco-ci-domain-verification=67c6cec9809d4a0a86f6d46b1a508d2f13f53118a4917f087f535f93d611c611
  • SPFv=spf1 a mx ip4:193.174.14.6 include:agenturserver.de -all
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