certuria.de

Valid Email Server
Domain Lookup › certuria.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
certuria.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 18:10:52 UTC · ↺ Refresh

MX Hostnames

  • mx01.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20
  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40

A / AAAA Records

  • 217.160.0.192 ↩ 217-160-0-192.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::201 ↩ 2001-08d8-100f-f000-0000-0000-0000-0201.elastic-ssl.ui-r.com

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com

SOA Record

Raw SOA ns1067.ui-dns.de hostmaster.1and1.com 2018082334 28800 7200 604800 600
Primary NS (mname)
ns1067.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2018082334
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1047.ui-dns.org
ns1076.ui-dns.com
ns1091.ui-dns.biz
ns1067.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:78.46.1.18 ip4:178.238.225.43 ip4:82.165.86.42 include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf.hornetsecurity.com ip6:2A01:04F8:0D0A:2675:0000:0000:0000:0002 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

6 records
  • SPFv=spf1 ip4:78.46.1.18 ip4:178.238.225.43 ip4:82.165.86.42 include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf.hornetsecurity.com ip6:2A01:04F8:0D0A:2675:0000:0000:0000:0002 -all
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxIx7qOEh3FgnOy4PXz5spx0sI4gjzGGnDS9K2Br40esDfZo0JxiS2k4Jh8O64M0qoIYH4xF8SsNnhoHwKA9AehATlzza298LgoPifxwhhb3qQkUsXh5fJ5BPPGwpbmSTllxYbdRvapWgGA0oi8rPbc2n8CdIGxvLNvlWV2qpX/I3tlNexLdJBR4zZNY2rBduFtf5wN0aUSzV6Ssnlyjo13yHgOOrwiomCDXiLLITp4S9TnSa0YoAyr4wKJX75awtdjgmz62icZQSE4+hP58J3X1wDp1IhzIR052odQkRt1M7wHaEq8IYZdYP/PDNPLxMT+SujQ/xXWfCMWpji0MmKQIDAQAB
  • asv=468e488a100ff5d096aa7996c259b1b2
  • apple-domain-verification=sPqaUrxAPVCyFhUY
  • openai-domain-verification=dv-qXpHeN0WK1bxb2WT8OhfWAwy
  • google-site-verification=C0jPVtcjMuBzXP9juovL-6zPwOFVeeij4Gg5UTriIIA
Full email verification for certuria.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits