Hell breaks loose in the afternoon with format error from X.X.X.X#53 resolving ./NS: non-improving referral

[Reindl Harald]

Am 06.05.22 um 12:24 schrieb Ted Mittelstaedt:
> On 5/6/2022 12:45 AM, Reindl Harald wrote:
>>
>>
>> in the past our CISCO ISP router with "DNS ALG" even rewrote zone 
>> transfers and invented a zero TTL for each and every CNAME it saw
>>
> 
> Probably doing that to retaliate for dynamic DNS providers abusing DNS 
> and people abusing dynamic DNS providers for being cheapskates and 
> saving a nickle on a real static IP.
> 
> You got caught in the crossfire of that particular war

nonsense - it's the cisco default behavior

no ip nat service alg udp dns
no ip nat service alg tcp dns