Please be specific about your issue and include debug output from running after setting `export DEBUG=1` in your shell.

You can anonymize hostnames / FQDNs, IP / MAC addresses, Kerberos principals, email addresses and almost anything else using `anonymize.pl` or the newer `anonymize.py` available in the [DevOps Perl Tools](https://github.com/HariSekhon/DevOps-Perl-Tools) and [DevOps Python Tools](https://github.com/HariSekhon/DevOps-Python-Tools) respectively.