Yes, bypassing DNSSEC Validation seems to have a solution.

Thanks for the help.

On Wed, Aug 30, 2023 at 7:30 PM Bhangui, Sandeep - BLS CTR via bind-users <
bind-users@lists.isc.org> wrote:

> This seems to be an issue with the domain incometax.gov.in.
>
>
>
> DNSSEC looks like is broken for that domain.
>
>
>
> NS servers at our location also cannot resolve that directly  but if I
> forward that query to any ISP provider NS which are more lax it resolves
> just fine.
>
>
>
> Thanks
>
> Sandeep
>
>
>
> *From:* bind-users <bind-users-boun...@lists.isc.org> *On Behalf Of *John
> W. Blue via bind-users
> *Sent:* Wednesday, August 30, 2023 9:39 AM
> *To:* bind-users <bind-users@lists.isc.org>
> *Subject:* RE: Facing issues while resolving only one record
>
>
>
> *CAUTION*: *This email originated from outside of BLS. DO NOT click
> (select) links or open attachments unless you recognize the sender and know
> the content is safe. Please report suspicious emails through the “Phish
> Alert Report” button on your email toolbar. *
>
> Recommend you turn off DNSSEC validation and see if it starts working.
>
>
>
> If it does, then you know the issue is with how DNSSEC is configured on
> your server.
>
>
>
> John
>
>
>
> *From:* bind-users [mailto:bind-users-boun...@lists.isc.org
> <bind-users-boun...@lists.isc.org>] *On Behalf Of *Blason R
> *Sent:* Wednesday, August 30, 2023 8:20 AM
> *To:* bind-users
> *Subject:* Facing issues while resolving only one record
>
>
>
> Hi all,
>
>
>
> I have bind BIND 9.18.17-1+ubuntu22.04.1+isc+1-Ubuntu (Extended Support
> Version)
>
> And I am facing this weird issue. Somehow eportal.incometax.gov.in site
> is not getting resolved through DNS.
>
>
>
> I tried a lot but unfortunately the issue still persists.
>
>
>
> Here are packet capture logs.
>
>
>
> listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length
> 262144 bytes
> 18:47:19.569999 ens18 In  IP 192.168.1.162.61110 > 192.168.1.133.53: 20+
> A? eportal.incometax.gov.in. (42)
> 18:47:19.587705 ens18 Out IP 192.168.1.133.40263 > 208.67.222.222.53:
> 30627+% [1au] A? eportal.incometax.gov.in. (65)
> 18:47:19.599214 ens18 Out IP 192.168.1.133.44299 > 1.1.1.1.53: 62952+%
> [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:20.800736 ens18 Out IP 192.168.1.133.56154 > 8.8.8.8.53: 16152+%
> [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:21.573628 ens18 In  IP 192.168.1.162.53536 > 192.168.1.133.53: 21+
> AAAA? eportal.incometax.gov.in. (42)
> 18:47:21.576427 ens18 Out IP 192.168.1.133.55356 > 8.8.8.8.53: 57361+%
> [1au] AAAA? eportal.incometax.gov.in. (65)
> 18:47:22.002738 ens18 Out IP 192.168.1.133.33064 > 208.67.222.222.53:
> 16204+% [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:22.777934 ens18 Out IP 192.168.1.133.58739 > 208.67.222.222.53:
> 34205+% [1au] AAAA? eportal.incometax.gov.in. (65)
> 18:47:23.203333 ens18 Out IP 192.168.1.133.60920 > 9.9.9.9.53: 46145+%
> [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:23.584820 ens18 In  IP 192.168.1.162.53962 > 192.168.1.133.53: 22+
> A? eportal.incometax.gov.in. (42)
> 18:47:24.405041 ens18 Out IP 192.168.1.133.56475 > 198.41.0.4.53: 12349
> [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:25.205136 ens18 Out IP 192.168.1.133.33517 > 192.36.148.17.53: 18768
> [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:25.237837 ens18 Out IP 192.168.1.133.43646 > 156.154.100.20.53:
> 28883 [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:25.259888 ens18 Out IP 192.168.1.133.51762 > 59.160.103.171.53:
> 46716 [1au] DNSKEY? incometax.gov.in. (57)
> 18:47:25.597312 ens18 In  IP 192.168.1.162.53963 > 192.168.1.133.53: 23+
> AAAA? eportal.incometax.gov.in. (42)
> 18:47:26.498891 ens18 Out IP 192.168.1.133.52631 > 125.16.225.122.53:
> 12762 [1au] DNSKEY? incometax.gov.in. (57)
>
>
>
> I feel this is something related to DNS RRKEY Record size?
>
>
>
> Plus then I dumbdb on my server and went through cache using command
>
> *#rndc dumpdb -all*
>
>
>
> And here is the output
>
>
>
> incometax.gov.in.       3422    NS      ns01.incometax.gov.in.
>                         3422    NS      ns02.incometax.gov.in.
> ns01.incometax.gov.in.  131     \-AAAA  ;-$NXRRSET
> ; ns01.incometax.gov.in. RRSIG NSEC ...
> ; ns01.incometax.gov.in. NSEC ns02.incometax.gov.in. A RRSIG NSEC
> ; incometax.gov.in. SOA ns01.incometax.gov.in.
> ns-admin.cpc.incometax.gov.in. 2023060970 7200 3600 1209600 3600
> ; incometax.gov.in. RRSIG SOA ...
> ns02.incometax.gov.in.  120     \-AAAA  ;-$NXRRSET
> ; ns02.incometax.gov.in. RRSIG NSEC ...
> ; ns02.incometax.gov.in. NSEC ns03.incometax.gov.in. A RRSIG NSEC
> ; incometax.gov.in. SOA ns02.incometax.gov.in.
> ns-admin.cpc.incometax.gov.in. 2023071447 7200 3600 1209600 3600
> ; incometax.gov.in. RRSIG SOA ...
> ; ns01.incometax.gov.in [v6 TTL 131] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 120] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 131] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 120] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 131] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 120] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 131] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 120] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 131] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 120] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 130] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 119] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 128] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 117] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 128] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 117] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 128] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 117] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 128] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 117] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 128] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 117] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 125] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 114] [v4 unexpected] [v6 nxrrset]
> ; ns01.incometax.gov.in [v6 TTL 124] [v4 unexpected] [v6 nxrrset]
> ; ns02.incometax.gov.in [v6 TTL 113] [v4 unexpected] [v6 nxrrset]
>
>
>
> Any idea what could be an issue?
>
>
> --
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