- How many
NS
records MUST a DNS zone have? (1p) - Would it be possible to store, say, an Open Source license in a DNS zone? (1p)
- Obtain the PTR record for
treasure.hunt.chtty.de.
and query the TXT record there. Decode the ROT-13 value from that to a domain name, and query the DS record at that and tell us the signing algorithm - What is the current TTL of the Swiss ccTLD? (2p)
- There’s a hidden message in the signature for the A record of the domain bad3.dnslab.org. Can you read it? (4p)
- If we ask you to
ping 📪.ws
could you say we’re crazy, or could that work? (1p) - Judging by what the
dnslab.org
domain publishes, which operating system are they running it on? (2p) - Query the
NS
RRset for the ccTLD of Mexico. Which country name can you make out of the first letter of each nameserver? (2p) - start your journey with the domain
start.chtty.de
, hunt from label to label, decoding LOC records, and using the location name of the geo position as next label inside the domainchtty.de
. Which domain name label points to the north pole? - Can a zone
sub.dnslab.org
have anNS
namedsub.dnslab.org
? (2p) - Is
34.ip-192-0-2-34.org
a valid rdata for anNS
record? (2p) - Who is responsible for the
dnslab.org
zone? (1p) - The zone
bad6.dnslab.org
has aDS
in parent but resolves insecurely. Why? (Use dnsviz.net to confirm your findings.) (10p) - There is a message in the zone
message.dane.onl
inside a TXT record. Try to find the full message. - What is the sum of the TTLs of these three records once the zone is loaded into a BIND authoritative server?
$TTL 60 eurobsdcon. IN A 192.0.2.1 30 IN A 192.0.2.2 10 IN A 192.0.2.3
/questions.org Secret
Created
September 19, 2021 15:39
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EuroBSDCon 2021 DNS Treasure Hunt questions
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