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Re: [public-dns-discuss] DNS64 Not Resolving Addresses



Hmmm.  From Japan:

dig -t AAAA ipv4.google.com @2001:4860:4860::6464

; <<>> DiG 9.10.6 <<>> -t AAAA ipv4.google.com @2001:4860:4860::6464
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16110
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;ipv4.google.com. IN AAAA

;; ANSWER SECTION:
ipv4.google.com. 21599 IN CNAME ipv4.l.google.com.
ipv4.l.google.com. 299 IN AAAA 64:ff9b::acd9:188e

;; Query time: 48 msec
;; SERVER: 2001:4860:4860::6464#53(2001:4860:4860::6464)
;; WHEN: Sat Jun 16 19:58:12 JST 2018
;; MSG SIZE  rcvd: 93

"dig any cnn.com +trace +all @2001:4860:4860::6464" is also quite voluminous.

Are you still seeing an outage from your location? (whois suggests:

NetName:        HOUSTON-RPD-V6-2
NetHandle:      NET6-2601-2C0-1
Parent:         COMCAST6NET (NET6-2601-1)

but that's not necessarily authoritative)
On Sat, 16 Jun 2018 at 14:45, Jeffry Handal <jhandal11 AT gmail.com> wrote:
>
> Erik and team,
>
>
>
> The public DNS64 resolvers are pingable but do not resolve. The
> following simple test is coming from an IPv6-only network that is behind
> NAT64.
>
> ping6 2001:4860:4860::6464
> PING6(56=40+8+8 bytes) 2601:2c3:887f:5f73:11b7:5c86:b051:5c2c -->
> 2001:4860:4860::6464
> 16 bytes from 2001:4860:4860::6464, icmp_seq=0 hlim=42 time=133.313 ms
> 16 bytes from 2001:4860:4860::6464, icmp_seq=1 hlim=42 time=25.670 ms
>
> ping6 2001:4860:4860::64
> PING6(56=40+8+8 bytes) 2601:2c3:887f:5f73:11b7:5c86:b051:5c2c -->
> 2001:4860:4860::64
> 16 bytes from 2001:4860:4860::64, icmp_seq=0 hlim=44 time=635.711 ms
> 16 bytes from 2001:4860:4860::64, icmp_seq=3 hlim=44 time=1911.751 ms
> 16 bytes from 2001:4860:4860::64, icmp_seq=4 hlim=44 time=915.951 ms
> 16 bytes from 2001:4860:4860::64, icmp_seq=5 hlim=44 time=24.304 ms
> 16 bytes from 2001:4860:4860::64, icmp_seq=6 hlim=44 time=23.048 ms
>
> ping6 google.com
> ping6: getaddrinfo -- nodename nor servname provided, or not known
>
>
> dig google.com @2001:4860:4860::6464
>
>
>   nslookup
>  > server 2001:4860:4860::6464
> Default server: 2001:4860:4860::6464
> Address: 2001:4860:4860::6464#53
>  > google.com
>
>
>   dig any cnn.com +trace +all
>
> ; <<>> DiG 9.8.3-P1 <<>> any cnn.com +trace +all
> ;; global options: +cmd
> ;; connection timed out; no servers could be reached
>
>
> cat /etc/resolv.conf
> #
> # Mac OS X Notice
> #
> # This file is not used by the host name and address resolution
> # or the DNS query routing mechanisms used by most processes on
> # this Mac OS X system.
> #
> # This file is automatically generated.
> #
> nameserver 2001:4860:4860::6464
> nameserver 2001:4860:4860::64
>
>
>
> Thank you in advance for the guidance.
>
>
>
> --
> Jeffry J. Handal
>
> --
> --
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