EDNS Compliance Tester

Checking: 'sidn.nl' as at 2025-05-05T17:24:40Z

sidn.nl. @212.114.120.108 (ns4.sidn.nl.): dns=ok zflag=ok edns=ok edns1=ok edns@512=ok,notc ednsopt=ok edns1opt=ok do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,expire (ns4.sidn.nl)
sidn.nl. @2001:7b8:62b:1:0:d4ff:fe72:786c (ns4.sidn.nl.): dns=ok zflag=ok edns=ok edns1=ok edns@512=ok,notc ednsopt=ok edns1opt=ok do=ok ednsflags=ok docookie=ok edns512tcp=ok optlist=ok,nsid,expire (ns4.sidn.nl)

All Ok

Codes

ok - test passed.
nsid - NSID supported [RFC5001].
expire - EDNS EXPIRE supported [RFC7314].

To retrieve this report in the future: https://ednscomp.isc.org/ednscomp/e98e3404e7

The source code for the tester can be downloaded from ISC Open Source Projects / DNS-Compliance-Testing.

For more information about EDNS please see the main site.