[dns-operations] 1&1 down

[Stephane Bortzmeyer]

For more or less 15 hours (with some remissions). Seems very severe
now. Their own domains work but the customer-hosted domains are down:

% check-soa -n 5 -t 5 -i -ns "ns-us.1and1-dns.us ns-us.1and1-dns.de ns-us.1and1-dns.org ns-us.1and1-dns.com" edmtrancefm.com
ns-us.1and1-dns.com.
        2001:8d8:fe:53:0:d9a0:5202:100: ERROR: Timeout
        217.160.82.2: ERROR: Timeout
ns-us.1and1-dns.de.
        2001:8d8:fe:53:0:d9a0:5002:100: ERROR: Timeout
        217.160.80.2: ERROR: Timeout
ns-us.1and1-dns.org.
        217.160.83.2: OK: 2014111202 (1642 ms)
        2001:8d8:fe:53:0:d9a0:5302:100: ERROR: Timeout
ns-us.1and1-dns.us.
        2001:8d8:fe:53:0:d9a0:5102:100: ERROR: Timeout
        217.160.81.2: ERROR: Timeout

Not a lot of detail from 1&1:

http://status.1and1.com/incident/1135
https://twitter.com/1and1/status/542630456383242241