Google DNS servers fails to resolve (works on other servers)

[Gideon Mendels]

λ ~/Documents/android/nexus/ dig @8.8.8.8 www.comet.ml. +cd

; <<>> DiG 9.10.6 <<>> @8.8.8.8 www.comet.ml. +cd

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 33240

;; flags: qr rd ra cd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 512

;; QUESTION SECTION:

;www.comet.ml. IN A

;; Query time: 117 msec

;; SERVER: 8.8.8.8#53(8.8.8.8)

;; WHEN: Sat Dec 14 17:49:54 EST 2019

;; MSG SIZE  rcvd: 41

λ ~/Documents/android/nexus/ dig @4.2.2.1 www.comet.ml. +cd

; <<>> DiG 9.10.6 <<>> @4.2.2.1 www.comet.ml. +cd

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12705

;; flags: qr rd ra cd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 8192

;; QUESTION SECTION:

;www.comet.ml. IN A

;; ANSWER SECTION:

www.comet.ml. 3600 IN CNAME comet.ml.

comet.ml. 60 IN A 3.220.50.232

comet.ml. 60 IN A 3.225.252.90

;; Query time: 104 msec

;; SERVER: 4.2.2.1#53(4.2.2.1)

;; WHEN: Sat Dec 14 17:50:30 EST 2019

;; MSG SIZE  rcvd: 87

λ ~/Documents/android/nexus/ dig @208.67.222.222 www.comet.ml. +cd

; <<>> DiG 9.10.6 <<>> @208.67.222.222 www.comet.ml. +cd

; (1 server found)

;; global options: +cmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64333

;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;www.comet.ml. IN A

;; ANSWER SECTION:

www.comet.ml. 3600 IN CNAME comet.ml.

comet.ml. 60 IN A 3.220.50.232

comet.ml. 60 IN A 3.225.252.90

;; Query time: 47 msec

;; SERVER: 208.67.222.222#53(208.67.222.222)

;; WHEN: Sat Dec 14 17:51:47 EST 2019

;; MSG SIZE  rcvd: 87

Any suggestions?