bind9

Domain

/etc/bind/named.conf.local

zone "sub.domain.tld" {
    type master;
    file "/etc/bind/db.sub.domain.tld";
};

zone "3.2.1.in-addr.arpa" {
    type master;
    file "/etc/bind/db.3.2.1";
};

/etc/bind/db.sub.domain.tld

$TTL 604800
@ IN SOA ns.sub.domain.tld. admin.sub.domain.tld. (
      2 ; Serial
 604800 ; Refresh
  86400 ; Retry
2419200 ; Expire
 604800 ; Negative Cache TTL
)
@ IN NS ns.sub.domain.tld.
*.sub.domain.tld. IN A 1.2.3.78
ns        IN A 1.2.3.12
server    IN A 1.2.3.12
dl        IN A 1.2.3.34
www       IN A 1.2.3.56
*.www     IN CNAME www

/etc/bind/db.3.2.1

$TTL 604800
3.2.1.in-addr.arpa. IN SOA ns.sub.domain.tld. admin.sub.domain.tld. (
      1 ; Serial
 604800 ; Refresh
  86400 ; Retry
2419200 ; Expire
 604800 ; Negative Cache TTL
)
3.2.1.in-addr.arpa.     IN NS  ns.sub.domain.tld.
12.3.2.1.in-addr.arpa.  IN PTR server.sub.domain.tld.
34.3.2.1.in-addr.arpa.  IN PTR dl.sub.domain.tld.
56.3.2.1.in-addr.arpa.  IN PTR sub.domain.tld.

SSHFP

4

ed25519

2

sha256

@ IN SSHFP 4 2 …