k-s-h.de

Valid Email Server
Domain Lookup › k-s-h.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
k-s-h.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 16:08:35 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-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 208.82.73.21 ↩ erz-live.dns.boreus.de

Mail Server IPs

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

SOA Record

Raw SOA nsa1.schlundtech.de info.gwpc.de 2025100700 43200 7200 1209600 600
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
info@gwpc.de
Serial
2025100700
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsc1.schlundtech.de
nsd1.schlundtech.de
nsa1.schlundtech.de
nsb1.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:mailrelay-out.netcologne.de a:mailrelay-out1.netcologne.de a:mailrelay-out2.netcologne.de ip4:81.173.193.132/32 ip4:195.14.253.20/32 ip4:81.173.193.131/32 ip4:213.168.87.14/32 ip4:91.90.158.111/32 ip4:91.90.158.112/32 ip4:91.90.158.113/32 ip4:212.227.0.0/16 ip4:217.72.192.74/16 a:smtp.1und1.de include:_spf.erzbistum-koeln.de include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=50;adkim=r;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

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

3 records
  • sophos-domain-verification=e60feab7a053b2e226f65c24334075601699cb6a
  • google-site-verification=XeEc_AdBdIX8XVs8veSmEGS3GzvQTevX2nY15JFHXlQ
  • SPFv=spf1 a mx a:mailrelay-out.netcologne.de a:mailrelay-out1.netcologne.de a:mailrelay-out2.netcologne.de ip4:81.173.193.132/32 ip4:195.14.253.20/32 ip4:81.173.193.131/32 ip4:213.168.87.14/32 ip4:91.90.158.111/32 ip4:91.90.158.112/32 ip4:91.90.158.113/32 ip4:212.227.0.0/16 ip4:217.72.192.74/16 a:smtp.1und1.de include:_spf.erzbistum-koeln.de include:_spf_eucentral1.prod.hydra.sophos.com -all
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