gco-agentur.de

Valid Email Server
Domain Lookup › gco-agentur.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gco-agentur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 15:34:47 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 0
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 185.237.67.254 ↩ r29287.agenturserver.it

Mail Server IPs

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

SOA Record

Raw SOA ns1067.ui-dns.de hostmaster.1and1.com 2018082315 28800 7200 604800 600
Primary NS (mname)
ns1067.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2018082315
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:24.134.165.117 include:agenturserver.de include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • SPFv=spf1 ip4:24.134.165.117 include:agenturserver.de include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
  • v=verifydomain MS=8189931
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