DNS failure for site

[xaocon]

I can't reach the site. I'l looks like the auth name servers aren't responding.

% dig +trace zen-kernel.org

; <<>> DiG 9.7.3 <<>> +trace zen-kernel.org

;; global options: +cmd

. 103797 IN NS h.root-servers.net.

. 103797 IN NS b.root-servers.net.

. 103797 IN NS c.root-servers.net.

. 103797 IN NS j.root-servers.net.

. 103797 IN NS a.root-servers.net.

. 103797 IN NS f.root-servers.net.

. 103797 IN NS e.root-servers.net.

. 103797 IN NS m.root-servers.net.

. 103797 IN NS k.root-servers.net.

. 103797 IN NS i.root-servers.net.

. 103797 IN NS d.root-servers.net.

. 103797 IN NS g.root-servers.net.

. 103797 IN NS l.root-servers.net.

;; Received 512 bytes from X.X.X.X#53(X.X.X.X) in 107 ms

org. 172800 IN NS a0.org.afilias-nst.info.

org. 172800 IN NS a2.org.afilias-nst.info.

org. 172800 IN NS b0.org.afilias-nst.org.

org. 172800 IN NS b2.org.afilias-nst.org.

org. 172800 IN NS c0.org.afilias-nst.info.

org. 172800 IN NS d0.org.afilias-nst.org.

;; Received 437 bytes from 192.203.230.10#53(e.root-servers.net) in 139 ms

zen-kernel.org. 86400 IN NS ns1.first-ns.de.

zen-kernel.org. 86400 IN NS robotns2.second-ns.de.

zen-kernel.org. 86400 IN NS robotns3.second-ns.de.

;; Received 117 bytes from 199.249.112.1#53(a2.org.afilias-nst.info) in 136 ms

;; connection timed out; no servers could be reached