css.de

Valid Email Server
Domain Lookup › css.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
css.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 02:45:39 UTC · ↺ Refresh

MX Hostnames

  • mx23a.antispameurope.com
  • mx23b.antispameurope.com
  • mx23d.antispameurope.com
  • mx23c.antispameurope.com

MX Priorities

  • mx23a.antispameurope.com: 10
  • mx23c.antispameurope.com: 30
  • mx23b.antispameurope.com: 20
  • mx23d.antispameurope.com: 40

A / AAAA Records

  • 199.60.103.49 (no PTR)

Mail Server IPs

  • 94.100.132.100 ↩ hsmx01.antispameurope.com
  • 94.100.134.10 ↩ hsmx06.antispameurope.com
  • 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
  • 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com

SOA Record

Raw SOA ns1121.ui-dns.de hostmaster.kundenserver.de 2016110778 28800 7200 604800 300
Primary NS (mname)
ns1121.ui-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016110778
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1121.ui-dns.de
ns1121.ui-dns.biz
ns1121.ui-dns.org
ns1121.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:109.230.198.46 ip4:212.227.233.210 include:_spf.ex-relay.de include:_spf-eu.ionos.com include:spf.hornetsecurity.com include:notification.fortinet.net include:mail.zendesk.com include:spf.protection.outlook.com include:smtp-out.mw-rmm.barracudamsp.com include:26246248.spf04.hubspotemail.net ip4:91.26.120.106 include:_spf.atlassian.net ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

9 records
  • langdock-verify=UijgZ4Ngpvs-NU8IH8GV-ZcqPrTlLAMwVVat3KO4vL0
  • atlassian-sending-domain-verification=37c4217a-9f51-41df-a739-f84693dd0267
  • 1password-site-verification=6ST7ZQWXZVAZLDFQZUEJDG6NS4
  • apple-domain-verification=vYW2n5eL6smTrmIG
  • docusign=338f7381-68f6-4ff7-9a86-00a4a899f065
  • SPFv=spf1 ip4:109.230.198.46 ip4:212.227.233.210 include:_spf.ex-relay.de include:_spf-eu.ionos.com include:spf.hornetsecurity.com include:notification.fortinet.net include:mail.zendesk.com include:spf.protection.outlook.com include:smtp-out.mw-rmm.barracudamsp.com include:26246248.spf04.hubspotemail.net ip4:91.26.120.106 include:_spf.atlassian.net ~all
  • MS=ms55651817
  • atlassian-domain-verification=GlaE98qgqUPtx2dgaZGgebkvO/ajEF0hmraEW1Z73Bkfiq4h7iO3JwwcVEOB52yC
  • anthropic-domain-verification-0kqv58=2td1PQvNnoF6wS9O7XdreLfcQ
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