$ whoami
Denis Verbin.
I build and run Django applications and the infrastructure under them — Docker, Ansible, CI/CD pipelines and the Linux hosts that carry them. A few small self-hosted network tools live here too, along with notes from the work.
tools
5 availableIP Lookup
Your address with reverse DNS, ASN, organisation and geolocation.
$ curl ip.verbin.dev
WHOIS & dig
Registrar, expiry and nameservers, plus DNS records for any domain.
$ dig verbin.dev
Password Generator
Passwords and passphrases with live entropy. Generated in your browser.
$ passwd --gen
Blog
Notes on Linux, containers, DNS and deployment automation.
$ cat ./blog/*
Subnet Calculator
CIDR maths for IPv4 and IPv6 — usable ranges, masks and splitting.
$ ipcalc 10.0.0.0/22
SSL Checker
Certificate chain, expiry, hostname match and protocol support.
$ openssl s_client
this session
status
operational
your ip address
216.73.217.14
posts published
15
tools
5