collegium-ag.de

Valid Email Server
Domain Lookup › collegium-ag.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
collegium-ag.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 19:21:03 UTC · ↺ Refresh

MX Hostnames

  • collegium-ag-de.mail.cloud.nospamproxy.com

MX Priorities

  • collegium-ag-de.mail.cloud.nospamproxy.com: 10

A / AAAA Records

  • 185.227.112.40 (no PTR)

Mail Server IPs

  • 193.37.132.21 ↩ de-s04-gw1.mail.cloud.nospamproxy.com
  • 178.212.92.66 ↩ de-s04-gw2.mail.cloud.nospamproxy.com

SOA Record

Raw SOA ns65.1und1.de hostmaster.1und1.de 2017053133 28800 7200 604800 300
Primary NS (mname)
ns65.1und1.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017053133
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns66.1und1.de
ns65.1und1.de

SPF Record

✓ Strict (-all)
v=spf1 include:agenturserver.de include:spf.mailjet.com include:spf.protection.infrontfinance.com include:spf.protection.outlook.com include:spf.collegium-ag-de.cloud.nospamproxy.com ip4:85.16.70.29 -all
📊 DNS lookups: 5/10
✓ 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

7 records
  • MS=93EDDDFFE43DAF020A3EB521256BCC0897A04BD5
  • MS=ms47080987
  • ppe-f9da207bb17f8a3e072696309b0aa2a8275514c7
  • mdu0ph32d9gg3118q03qoje6ff
  • csnLPnHCyrs3L0GXAqnJzdn8f7G20MoURpAuYSP1m4w=
  • SPFv=spf1 include:agenturserver.de include:spf.mailjet.com include:spf.protection.infrontfinance.com include:spf.protection.outlook.com include:spf.collegium-ag-de.cloud.nospamproxy.com ip4:85.16.70.29 -all
  • google-site-verification=2QNx83NGNzcehSczlcTddxqtVmK_ZRW7RqtrywuvcEw
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