^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ named\[[0-9]+\]: validating .+: verify failed due to bad signature \(keyid=[0-9]+\): RRSIG has expired
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ named\[[0-9]+\]: skipping nameserver '[A-Za-z0-9._-]+' because it is a CNAME, while resolving
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ named\[[0-9]+\]: validating .+: verify failed due to bad signature \(keyid=[0-9]+\): RRSIG has expired