[Sent by using a mail server with a non-validating resolver...] The delegation at .org still indicates the old name servers but the zone contains the new ones, at Cloudflare. % dig @ns0.amsl.com. NS ietf.org ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> @ns0.amsl.com. NS ietf.org ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51586 ;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;; QUESTION SECTION: ;ietf.org. IN NS ;; ANSWER SECTION: ietf.org. 1800 IN NS jack.ns.cloudflare.com. ietf.org. 1800 IN NS dora.ns.cloudflare.com. ietf.org. 1800 IN RRSIG NS 5 2 1800 20150627101542 ( 20140627091717 40452 ietf.org. cGLMaGJyWGuBsUJ43Ot5c1N8A0pe0DYpML2qhnCdvWAv SAiuyejFv0yjSXT2dAA4gM/lRMw6Ii07wus1S7GKAcS3 df2Rr2ltVxl3NWvo7cKXVAQN59QL2Er2G0J71zEBwMZu dx6UznWSBWf9IrNvDn6VHZkUzKOxcExtnOgV9iwk3Pef UfJpvHelQXo4DgYI5a2wCpuLcljLfb62GYu/N4vLYOLB hGxyygvDnCriYSGFlVO7bhqA6bFbZWK/g8G26zEqE+ix +XjkiV9hBR1xSadgiqPi28sBAFy+zyvVrrkracgzFGzC 5Jz2dAE+c6Haw8Es74sizo3VZ7M5tnKU+w== ) ;; Query time: 75 msec ;; SERVER: 64.170.98.2#53(64.170.98.2) ;; WHEN: Fri Jun 27 12:46:31 2014 ;; MSG SIZE rcvd: 388 The cloudflare name servers does not server RRSIG or DNSKEY :-( % dig @jack.ns.cloudflare.com. DNSKEY ietf.org ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> @jack.ns.cloudflare.com. DNSKEY ietf.org ; (2 servers found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29097 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;; QUESTION SECTION: ;ietf.org. IN DNSKEY ;; AUTHORITY SECTION: ietf.org. 86400 IN SOA dora.ns.cloudflare.com. dns.cloudflare.com. ( 2015553176 ; serial 10000 ; refresh (2 hours 46 minutes 40 seconds) 2400 ; retry (40 minutes) 604800 ; expire (1 week) 3600 ; minimum (1 hour) ) ;; Query time: 8 msec ;; SERVER: 2400:cb00:2049:1::adf5:3b79#53(2400:cb00:2049:1::adf5:3b79) ;; WHEN: Fri Jun 27 12:49:46 2014 ;; MSG SIZE rcvd: 99