For this challenge, the clue was nameserver.  Get into interactive nslookup then set the type to any then search the domain for the flag.  
```root@kali:~/Downloads# nslookup> set type=any> jh2i.comServer:        10.0.2.3Address:    10.0.2.3#53
Non-authoritative answer:Name:    jh2i.comAddress: 161.35.252.71jh2i.com    nameserver = ns-cloud-a1.googledomains.com.jh2i.com    nameserver = ns-cloud-a2.googledomains.com.jh2i.com    nameserver = ns-cloud-a3.googledomains.com.jh2i.com    nameserver = ns-cloud-a4.googledomains.com.jh2i.com    origin = ns-cloud-a1.googledomains.com    mail addr = cloud-dns-hostmaster.google.com    serial = 48    refresh = 21600    retry = 3600    expire = 259200    minimum = 300jh2i.com    rdata_99 = "flag{next_year_i_wont_use_spf}"
Authoritative answers can be found from:>```