8.8.8.8 fails to resolve www.comet.ml

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Nimrod Lahav (Comet)

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Dec 16, 2019, 1:00:28 PM12/16/19
to public-dns-discuss
all other servers are working, users that use 8.8.8.8 wont be able to access comet.ml

this started happening today

nslookup debug report:


nimrodlahav$ nslookup -debug www.comet.ml. 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

------------
    QUESTIONS:
www.comet.ml, type = A, class = IN
    ANSWERS:
    AUTHORITY RECORDS:
    ADDITIONAL RECORDS:
------------
** server can't find www.comet.ml: SERVFAIL


nimrodlahav$ nslookup -debug www.comet.ml. 4.2.2.1
Server: 4.2.2.1
Address: 4.2.2.1#53

------------
    QUESTIONS:
www.comet.ml, type = A, class = IN
    ANSWERS:
    ->  www.comet.ml
canonical name = comet.ml.
ttl = 3600
    ->  comet.ml
internet address = 3.220.50.232
ttl = 60
    ->  comet.ml
internet address = 3.225.252.90
ttl = 60
    AUTHORITY RECORDS:
    ADDITIONAL RECORDS:
------------
Non-authoritative answer:
www.comet.ml canonical name = comet.ml.
Name: comet.ml
Address: 3.220.50.232
Name: comet.ml
Address: 3.225.252.90

nimrodlahav$ nslookup -debug www.comet.ml. 4.2.2.2
Server: 4.2.2.2
Address: 4.2.2.2#53

------------
    QUESTIONS:
www.comet.ml, type = A, class = IN
    ANSWERS:
    ->  www.comet.ml
canonical name = comet.ml.
ttl = 3600
    ->  comet.ml
internet address = 3.220.50.232
ttl = 60
    ->  comet.ml
internet address = 3.225.252.90
ttl = 60
    AUTHORITY RECORDS:
    ADDITIONAL RECORDS:
------------
Non-authoritative answer:
www.comet.ml canonical name = comet.ml.
Name: comet.ml
Address: 3.220.50.232
Name: comet.ml
Address: 3.225.252.90

nimrodlahav$ nslookup -debug www.comet.ml. 4.2.2.2
Server: 4.2.2.2
Address: 4.2.2.2#53

------------
    QUESTIONS:
www.comet.ml, type = A, class = IN
    ANSWERS:
    ->  www.comet.ml
canonical name = comet.ml.
ttl = 3600
    ->  comet.ml
internet address = 3.220.50.232
ttl = 60
    ->  comet.ml
internet address = 3.225.252.90
ttl = 60
    AUTHORITY RECORDS:
    ADDITIONAL RECORDS:
------------
Non-authoritative answer:
www.comet.ml canonical name = comet.ml.
Name: comet.ml
Address: 3.220.50.232
Name: comet.ml
Address: 3.225.252.90

nimrodlahav$ nslookup -debug www.comet.ml. 208.67.220.220
Server: 208.67.220.220
Address: 208.67.220.220#53

------------
    QUESTIONS:
www.comet.ml, type = A, class = IN
    ANSWERS:
    ->  www.comet.ml
canonical name = comet.ml.
ttl = 3593
    ->  comet.ml
internet address = 3.220.50.232
ttl = 53
    ->  comet.ml
internet address = 3.225.252.90
ttl = 53
    AUTHORITY RECORDS:
    ADDITIONAL RECORDS:
------------
Non-authoritative answer:
www.comet.ml canonical name = comet.ml.
Name: comet.ml
Address: 3.220.50.232
Name: comet.ml
Address: 3.225.252.90
 

Wesley Peng

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Dec 16, 2019, 10:25:56 PM12/16/19
to public-dn...@googlegroups.com
Hi

on 2019/12/15 8:42, Nimrod Lahav (Comet) wrote:
> all other servers are working, users that use 8.8.8.8 wont be able to
> access comet.ml
>
> this started happening today
>
> nslookup debug report:

I do query it successfully via google DNS.
Is that still in error?

$ dig comet.ml @8.8.8.8

; <<>> DiG 9.11.3-1ubuntu1-Ubuntu <<>> comet.ml @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39363
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;comet.ml. IN A

;; ANSWER SECTION:
comet.ml. 59 IN A 3.225.252.90
comet.ml. 59 IN A 3.220.50.232

;; Query time: 53 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Dec 17 11:24:39 HKT 2019
;; MSG SIZE rcvd: 69
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