DNS Test Names & Resource Records
https://weberblog.net/dns-test-names-resource-records/
DNSThe weberdns.de
zone hosts many weird DNS records which are helpful in testing and configurations and see how they handle these entries.
Some examples of hosted entries:
ttl-0s.weberdns.de
with a TTL of 0 secondsloop.weberdns.de
a CNAME loop of length 264a.weberdns.de
with 64 A recordsmany-rrs.weberdns.de
with a wide mix of record types for ANY queriesabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz1234567890.weberdns.de
for long domains and labelsáàăâåäãąąāæćĉčċçďđéèĕêěëėęēğĝġģ.weberdns.de
to test umlauts- Domains for SRV, HINFO, CAA, LOC, TLSA, SSHFP, and OPENPGPKEY records