chkip.py – DNS- und Mailserver-Check-Tool
Pascal Bouquet
fb00a11bef
This commit introduces the --me flag, which allows users to quickly display their current local IPv4 and public IPv4/IPv6 addresses. The public IPs are retrieved using ifconfig.me via curl, ensuring accurate detection even in CGNAT or split-DNS scenarios. Local IPv4 is determined via the system's active route through the configured resolver. The output also includes a CGNAT detection based on private IP ranges and the reserved 100.64.0.0/10 block, providing a helpful warning if detected. IPv6 privacy extensions are common, so local IPv6 detection has been removed to avoid redundant or unstable information. |
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| chkip.py | ||
| INSTALL.md | ||
| README.md | ||
chkip
🛠️ Ein praktisches DNS- und Mailserver-Check-Tool für die Kommandozeile.
Mit Unterstützung für Domain- und IP-Modus, JSON-Ausgabe und gängigen Mail-spezifischen DNS-Abfragen.
✨ Features
- Automatische Erkennung: IP vs. Domain
- Domain-Modus:
- A / AAAA / MX
- PTR & FCrDNS je MX
- rDNS (via ipinfo.io)
- SPF (
-sS) - DMARC (
-sD) - MTA-STS (
-sM) - TLSA/DANE (
-sT) - DKIM (
-sDK [selector])
- IP-Modus:
- PTR
- rDNS (via ipinfo.io)
- FCrDNS-Check
- JSON-Ausgabe (
--json) - Lizenz: GPLv3
- Autor: Pascal Bouquet (erstellt am 17.04.2025)
🧪 Beispielausgaben
Domain:
$ chkip bouquet24.de
A: 31.16.143.139
AAAA: No AAAA record
MX:
Host: mail.bouquet24.de
IP: 172.94.17.144
PTR: mail.bouquet24.de
FCrDNS: ok
rDNS: ip1f108f8b.dynamic.kabel-deutschland.de
$ chkip 172.94.17.144
PTR: mail.bouquet24.de
rDNS: mail.bouquet24.de
FCrDNS: ok