[uanog] Сломал мозг с DNS

[Vladimir Sharun]

Привет,

Один из DNS'ов в .ua виден в мире очень частично, вот что (кажется) оказалось:

https://lg.telia.net/?type=ping&router=ffm-b1&address=74.123.224.40

14 січня 2019, 17:09:13, від "Serge Negodyuck" <petr at petrovich.kiev.ua>:

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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