Registro IPv4
host: career.tu-sofia.bg
class: IN
ttl: 83214
type: A
ip: 81.161.244.227

Información TXT
host: career.tu-sofia.bg
class: IN
ttl: 83215
type: TXT
txt: v=spf1 ip4:81.161.240.9/32 -all
entries: Array