Am 17.02.21 um 10:41 schrieb ONRUBIA AVILES Carlos (CCS/MST):
Matus,
What do you mean with " absolutely no, but since underscore is not valid in hostname
as per rfc1123, I don't recomment you to use it in hostnamed" ?
_ is not allowed in hostnames
I tried with the following configuration in zone " dekil.nl " and bind do not
accept it:
hello_mail2.dekil.nl. 3600 IN A 81.246.48.28
I have the following message error:
Feb 17 10:40:41 dnszone904 named[1633]: /etc/bind/zones/master/dekil.nl:19:
hello_mail2.dekil.nl: bad owner name (check-names)
Feb 17 10:40:41 dnszone904 named[1633]: zone dekil.nl/IN: loading from master
file /etc/bind/zones/master/dekil.nl failed: bad owner name (check-names)
Feb 17 10:40:41 dnszone904 named[1633]: zone dekil.nl/IN: not loaded due to
errors
_ is not allowed in hostnames
https://tools.ietf.org/html/rfc1123
2.1 Host Names and Numbers
The syntax of a legal Internet host name was specified in RFC-952
[DNS:4]. One aspect of host name syntax is hereby changed: the
restriction on the first character is relaxed to allow either a letter
or a digit. Host software MUST support this more liberal syntax.
1. A "name" (Net, Host, Gateway, or Domain name) is a text string up to
24 characters drawn from the alphabet (A-Z), digits (0-9), minus sign
(-), and period (.)
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