This Kerberos configuration file can be used for integrating Linux into Active Directory using Kerberos authentication. It does not rely on DNS SRV records, instead manually specifying an AD domain controller.

krb5-conf-no-srv

[logging]
 default = FILE:/var/log/krb5libs.log
 kdc = FILE:/var/log/krb5kdc.log
 admin_server = FILE:/var/log/kadmind.log

[libdefaults]
 default_realm = EXAMPLE.COM
 dns_lookup_realm = true
 dns_lookup_kdc = true

[realms]
 EXAMPLE.COM = {
  kdc = host.example.com:88
  admin_server = host.example.com:749
  default_domain = example.com
 }

[domain_realm]
 .example.com = EXAMPLE.COM
 example.com = EXAMPLE.COM

[kdc]
 profile = /var/kerberos/krb5kdc/kdc.conf

[appdefaults]
 pam = {
  debug = false
  ticket_lifetime = 36000
  renew_lifetime = 36000
  forwardable = true
  krb4_convert = false
 }