Added support for SRV records

[Mayyhem]

Hey Dirk-jan! I needed this functionality for a project I'm working on and figured I'd send a PR in case it was useful for others. If there's any other info you'd like me to provide, please let me know! Thanks for the awesome tool!

Before change:

# adidnsdump -u MAYYHEM\\lowpriv -p <password> 10.4.10.100 -r
[-] Connecting to host...
[-] Binding to host
[+] Bind OK
[-] Querying zone for records
[-] Could not resolve node _mssms_mp_sec._tcp (probably no A record assigned to name)
[-] Could not resolve node _mssms_mp_ps2._tcp (probably no A record assigned to name)
[+] Found 30 records, saving to records.csv

# cat records.csv
type,name,value
A,win11,10.4.10.113
A,rits,10.4.10.222
A,rith,10.4.10.212
A,ps2-pss,10.4.10.250
A,ps2-db,10.4.10.251
A,ps1-sup,10.4.10.124
A,ps1-sms,10.4.10.152
A,ps1-slp,10.4.10.125
A,ps1-sec,10.4.10.122
A,ps1-psv,10.4.10.160
A,ps1-pss,10.4.10.150
A,ps1-mp,10.4.10.120
A,ps1-fsp,10.4.10.123
A,ps1-dp,10.4.10.121
A,ps1-db,10.4.10.151
A,ps1-client,10.4.10.111
A,hi3-ps2,10.4.10.230
A,hi2-psv,10.4.10.211
A,hi2-pss,10.4.10.210
A,ForestDnsZones,10.4.10.100
A,DomainDnsZones,10.4.10.100
A,dc,10.4.10.100
A,cas-pss,10.4.10.50
A,cas-db,10.4.10.51
A,attacker,10.4.10.254
?,_mssms_mp_sec._tcp,?
?,_mssms_mp_ps2._tcp,?
NS,_msdcs,dc.mayyhem.com.
A,@,10.4.10.100
NS,@,dc.mayyhem.com.

After change (no additional options):

# adidnsdump -u MAYYHEM\\lowpriv -p <password> 10.4.10.100 -r
[-] Connecting to host...
[-] Binding to host
[+] Bind OK
[-] Querying zone for records
[-] Could not resolve node _mssms_mp_sec._tcp (probably no A record assigned to name)
[-] Could not resolve node _mssms_mp_ps2._tcp (probably no A record assigned to name)
[+] Found 30 records, saving to records.csv

# cat records.csv
type,name,value
A,win11,10.4.10.113
A,rits,10.4.10.222
A,rith,10.4.10.212
A,ps2-pss,10.4.10.250
A,ps2-db,10.4.10.251
A,ps1-sup,10.4.10.124
A,ps1-sms,10.4.10.152
A,ps1-slp,10.4.10.125
A,ps1-sec,10.4.10.122
A,ps1-psv,10.4.10.160
A,ps1-pss,10.4.10.150
A,ps1-mp,10.4.10.120
A,ps1-fsp,10.4.10.123
A,ps1-dp,10.4.10.121
A,ps1-db,10.4.10.151
A,ps1-client,10.4.10.111
A,hi3-ps2,10.4.10.230
A,hi2-psv,10.4.10.211
A,hi2-pss,10.4.10.210
A,ForestDnsZones,10.4.10.100
A,DomainDnsZones,10.4.10.100
A,dc,10.4.10.100
A,cas-pss,10.4.10.50
A,cas-db,10.4.10.51
A,attacker,10.4.10.254
?,_mssms_mp_sec._tcp,?
?,_mssms_mp_ps2._tcp,?
NS,_msdcs,dc.mayyhem.com.
A,@,10.4.10.100
NS,@,dc.mayyhem.com.

After change (with --srv option set):

# adidnsdump -u MAYYHEM\\lowpriv -p <password> 10.4.10.100 -r --srv
[-] Connecting to host...
[-] Binding to host
[+] Bind OK
[-] Querying zone for records
[+] Found 44 records, saving to records.csv

# cat records.csv
type,name,value
A,win11,10.4.10.113
A,rits,10.4.10.222
A,rith,10.4.10.212
A,ps2-pss,10.4.10.250
A,ps2-db,10.4.10.251
A,ps1-sup,10.4.10.124
A,ps1-sms,10.4.10.152
A,ps1-slp,10.4.10.125
A,ps1-sec,10.4.10.122
A,ps1-psv,10.4.10.160
A,ps1-pss,10.4.10.150
A,ps1-mp,10.4.10.120
A,ps1-fsp,10.4.10.123
A,ps1-dp,10.4.10.121
A,ps1-db,10.4.10.151
A,ps1-client,10.4.10.111
A,hi3-ps2,10.4.10.230
A,hi2-psv,10.4.10.211
A,hi2-pss,10.4.10.210
A,ForestDnsZones,10.4.10.100
A,DomainDnsZones,10.4.10.100
A,dc,10.4.10.100
A,cas-pss,10.4.10.50
A,cas-db,10.4.10.51
A,attacker,10.4.10.254
SRV,_mssms_mp_sec._tcp,ps1-sec.mayyhem.com
SRV,_mssms_mp_ps2._tcp,ps2-pss.mayyhem.com
SRV,_mssms_mp_ps1._tcp,ps1-mp.mayyhem.com
NS,_msdcs,dc.mayyhem.com.
SRV,_ldap._tcp.ForestDnsZones,dc.mayyhem.com
SRV,_ldap._tcp.DomainDnsZones,dc.mayyhem.com
SRV,_ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones,dc.mayyhem.com
SRV,_ldap._tcp.Default-First-Site-Name._sites.DomainDnsZones,dc.mayyhem.com
SRV,_ldap._tcp.Default-First-Site-Name._sites,dc.mayyhem.com
SRV,_ldap._tcp,dc.mayyhem.com
SRV,_kpasswd._udp,dc.mayyhem.com
SRV,_kpasswd._tcp,dc.mayyhem.com
SRV,_kerberos._udp,dc.mayyhem.com
SRV,_kerberos._tcp.Default-First-Site-Name._sites,dc.mayyhem.com
SRV,_kerberos._tcp,dc.mayyhem.com
SRV,_gc._tcp.Default-First-Site-Name._sites,dc.mayyhem.com
SRV,_gc._tcp,dc.mayyhem.com
A,@,10.4.10.100
NS,@,dc.mayyhem.com.