[uanog] Сломал мозг с DNS

[Serge Negodyuck]

When no query type is specified, host automatically selects an appropriate
query type. By default, it looks for A, AAAA, and MX records.

SERVFAIL на запрос AAAA отдает.

А вот с  host -t ns izovat.ua. у меня проблем нет




пн, 14 янв. 2019 г. в 17:00, Vladimir Sharun <vladimir.sharun at ukr.net>:

> Привет,
>
> Распедальте что не так с доменом izovat.ua.
>
> $ sudo /etc/rc.d/local_unbound restart
> Stopping local_unbound.
> Waiting for PIDS: 90324.
> Starting local_unbound.
> Waiting for nameserver to start... good
> $ host izovat.ua.
> izovat.ua has address 213.108.45.78
> Host izovat.ua not found: 2(SERVFAIL)
> $ host -t ns izovat.ua.
> Host izovat.ua not found: 3(NXDOMAIN)
>
> Но в то же самое время:
> # dnstracer -s . -c -q ns izovat.ua
> Tracing to izovat.ua[ns] via A.ROOT-SERVERS.NET, maximum of 3 retries
> A.ROOT-SERVERS.NET [.] (198.41.0.4)
> |\___ sns-pb.isc.org [ua] (2001:0500:002e:0000:0000:0000:0000:0001) Not
> queried
> |\___ sns-pb.isc.org [ua] (192.5.4.1)
> |     |\___ ns2.ukrnames.com [izovat.ua] (195.123.1.2) Got authoritative
> answer
> |     |\___ ns4.ukrnames.ua [izovat.ua] (195.123.1.222) Got authoritative
> answer
> |      \___ ns1.ukrnames.com [izovat.ua] (104.131.20.233) Got
> authoritative answer
> |\___ pch.ns.ua [ua] (2001:0500:0014:6012:00ad:0000:0000:0001) Not queried
> |\___ pch.ns.ua [ua] (204.61.216.12)
> |     |\___ ns2.ukrnames.com [izovat.ua] (195.123.1.2) Got authoritative
> answer
> |     |\___ ns1.ukrnames.com [izovat.ua] (104.131.20.233) Got
> authoritative answer
> |      \___ ns4.ukrnames.ua [izovat.ua] (195.123.1.222) Got authoritative
> answer
> |\___ in1.ns.ua [ua] (2604:ee00:0000:0101:0000:0000:0000:0040) Not queried
> |\___ in1.ns.ua [ua] (74.123.224.40)
> |     |\___ ns4.ukrnames.ua [izovat.ua] (195.123.1.222) Got authoritative
> answer
> |     |\___ ns2.ukrnames.com [izovat.ua] (195.123.1.2) Got authoritative
> answer
> |      \___ ns1.ukrnames.com [izovat.ua] (104.131.20.233) Got
> authoritative answer
> |\___ ho1.ns.ua [ua] (2001:067c:0258:0000:0000:0000:0000:0001) Not queried
> |\___ ho1.ns.ua [ua] (195.47.253.1)
> |     |\___ ns2.ukrnames.com [izovat.ua] (195.123.1.2) Got authoritative
> answer
> |     |\___ ns4.ukrnames.ua [izovat.ua] (195.123.1.222) Got authoritative
> answer
> |      \___ ns1.ukrnames.com [izovat.ua] (104.131.20.233) Got
> authoritative answer
> |\___ cd1.ns.ua [ua] (2001:0678:0004:0000:0000:0000:0000:0009) Not queried
>  \___ cd1.ns.ua [ua] (194.0.1.9)
>       |\___ ns2.ukrnames.com [izovat.ua] (195.123.1.2) Got authoritative
> answer
>       |\___ ns1.ukrnames.com [izovat.ua] (104.131.20.233) Got
> authoritative answer
>        \___ ns4.ukrnames.ua [izovat.ua] (195.123.1.222) Got authoritative
> answer
>
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