dialyse-cottbus.de

Valid Email Server
Domain Lookup › dialyse-cottbus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dialyse-cottbus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 05:19:05 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-01-eu-central-1.prod.hydra.sophos.com: 10
  • mx-02-eu-central-1.prod.hydra.sophos.com: 20

A / AAAA Records

  • 164.90.175.204 ↩ 1372842.cloudwaysapps.com

Mail Server IPs

  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.c-srv.de isp.cosimo.de 2026030601 28800 7200 604800 3600
Primary NS (mname)
ns1.c-srv.de
Admin Email (rname)
isp@cosimo.de
Serial
2026030601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.c-srv.de
ns1.c-srv.de
ns4.c-srv.net
ns3.c-srv.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:212.91.246.10 include:_spf.fmc.berlin include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · 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
  • MS=ms89979457
  • sophos-domain-verification=f6140377d9faea07b80d9e35f987b5c985c87f1e
  • sophos-domain-verification=a0452ce68f8912cc2c541477bb515672c69d7fd1121c01f652779322a47b8a79
  • SPFv=spf1 a mx ip4:212.91.246.10 include:_spf.fmc.berlin include:_spf_eucentral1.prod.hydra.sophos.com -all
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