world-cs.de

Valid Email Server
Domain Lookup › world-cs.de

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
world-cs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 23:03:32 UTC · ↺ Refresh

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MX Hostnames

  • mailsrv.world-cs.de
  • mailgate.itnss.de
  • spamfilter.itnss-systemhaus.de

MX Priorities

  • mailsrv.world-cs.de: 50
  • spamfilter.itnss-systemhaus.de: 10
  • mailgate.itnss.de: 30

A / AAAA Records

  • 213.133.99.153 ↩ mail.itcull.de

Mail Server IPs

  • 94.130.123.244 ↩ mailsrv.world-cs.de
  • 94.130.18.8 ↩ spamfilter.itnss-systemhaus.de
  • 94.130.248.171 ↩ mailgate.itnss.de

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026080101 86400 10800 3600000 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026080101
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mailsrv01.world-cs.de a:webhost01.itnss-ag.eu a:mail.itcull.de a:websrv01.itnss-hosting.de ip4:148.251.114.148 ip4:88.99.250.109 ?all
📊 DNS lookups: 6/10
? Neutral (?all) — no enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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
  • MS=ms69282920
  • SPFv=spf1 a mx a:mailsrv01.world-cs.de a:webhost01.itnss-ag.eu a:mail.itcull.de a:websrv01.itnss-hosting.de ip4:148.251.114.148 ip4:88.99.250.109 ?all
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