- Update to 5.3.1:
* Ignore UnicodeDecodeError exceptions when querying for TXT records
* Check DNSSEC on MX hostnames
* USE DNSSEC when requesting DNSKEY records
* Do not require an RRSIG answer when querying for DNSKEY records
* Pass in nameservers and timeout when running get_dnskey recursively
* Properly cache DNSKEY answers
* Fix exception handling for query_mta_sts_record
* Check for TLSA records
* Add support for parsing SMTP TLS Reporting (RFC8460) DNS records
* Add missing import dns.dnssec
* Always use the actual subdomain or domain provided
* Include MTA-STS and BIMI results in CSV output
* Added the include_tag_descriptions parameter to
checkdmarc.bimi.check_bimi()
* Added the exception class MTASTSPolicyDownloadError
* Major refactoring: Change from a single module to a package of modules,
with each checked standard as its own package
* Add support for MTA-STS RFC 8461
* Add support for BIMI
* Specify a BIMI selector using the --bimi-selector/-b option
* Fix SPF query error and warning messages
* Add support for null MX records - RFC 7505
* Make DMARC retorting URI error messages more clear
* Fix compatibility with Python 3.8
* SPFRecordNotFound exception now includes a domain argument
* The DMARC missing authorization error message now includes the full
expected DNS record
* Properly parse DMARC and BIMI records for domains that do not have an
identified base domain