kettelerschule-bonn.de

Valid Email Server
Domain Lookup › kettelerschule-bonn.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kettelerschule-bonn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 04:19:19 UTC · ↺ Refresh

MX Hostnames

  • mxlb.ispgateway.de

MX Priorities

  • mxlb.ispgateway.de: 100

A / AAAA Records

  • 92.205.211.4 ↩ sh23439.ispgateway.de
  • 2a00:1169:103:ead0:: ↩ sh23439.ispgateway.de

Mail Server IPs

  • 80.67.18.126 ↩ mxlb.ispgateway.de

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026022602 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:ispgateway.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 mx a include:ispgateway.de ~all
  • DKIMv=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA44CMhiRm0sPO9kAME3xiXCTzuv/T931rJwsrT2bivOlGvjnLES21nSreVxM88yjL9AgcYRC2ZH7RoSNSmPsAYcvtdlYWCoehX96OKCw4PkDWXpzigaD9PfbdHMY0tV5Xf0GNBFjUvrVa3s4NAFR6U5IGjV+GR35COXYXMg1wNyVjNf5a47dxTutngB5hNWkKedm07E281NHJNO6fPHLAi+QG2iQHri8plw7XjJvDrK4aKYlLUH/3VLf78uZMHOuXVtMCT+uS3x4v45jDs0Dld1u+Kv1T9OiwXqN02tVa4odlcopVTqK2K2nowakIN1todlmKdbCir2o/nbw213719wIDAQAB
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