dig +trace
всю цепочку покажет. $dig +trace @8.8.8.8 ya.ru
; <<>> DiG 9.10.3-P4-Debian <<>> +trace @8.8.8.8 ya.ru
; (1 server found)
;; global options: +cmd
. 209267 IN NS c.root-servers.net.
. 209267 IN NS d.root-servers.net.
. 209267 IN NS k.root-servers.net.
. 209267 IN NS i.root-servers.net.
. 209267 IN NS g.root-servers.net.
. 209267 IN NS b.root-servers.net.
. 209267 IN NS m.root-servers.net.
. 209267 IN NS l.root-servers.net.
. 209267 IN NS f.root-servers.net.
. 209267 IN NS j.root-servers.net.
. 209267 IN NS a.root-servers.net.
. 209267 IN NS h.root-servers.net.
. 209267 IN NS e.root-servers.net.
. 209267 IN RRSIG NS 8 0 518400 20170505170000 20170422160000 14796 . D/aCxvEnuTZYaVxbvYza7dUxOdI1n4Rz2m5kkoiIuKkyv1VJOnVjN5by 6pTz9/LaB3xHCilDyoi4c1yF61kp4CwzOumrgptpsvewLgs/ks3bi+K9 Xf7riaEwNXRN/XZF7vN8wcQLpKKyIHiShR4yITOX0DMuyZFs7MAAcwGI PmyXKLC9DmNeoCvpzVlnX3ouTqlhLsrACyvHWH9RdU5yZYwfntIXfP5P FGbbvj/k7pa8t1X6haT2fOlbFi5InOiUeUnIfww308iCWdXSwTj0wqJJ tPsCSrntKJADnBjnu1ZqbNnHyePwDTPbkiPDM8oFVgoezeb1BsJ/+0sF OAzlUw==
;; Received 525 bytes from 8.8.8.8#53(8.8.8.8) in 25 ms
ru. 172800 IN NS a.dns.ripn.net.
ru. 172800 IN NS b.dns.ripn.net.
ru. 172800 IN NS d.dns.ripn.net.
ru. 172800 IN NS e.dns.ripn.net.
ru. 172800 IN NS f.dns.ripn.net.
ru. 86400 IN DS 28642 8 2 BEC17A4EDF77372FE5E75A687F9AC500499BFAC0BCACFB74B4678E3E 715BEE05
ru. 86400 IN RRSIG DS 8 1 86400 20170508050000 20170425040000 14796 . M8h0hicihtCeTpC4NXjl7KIaiGYcPP/hS915b3ZTcA7l4Y4IHBz+B5Pk igxOEmh2SYKSeLBuZBFf4xkmk5EUc/331WWxCcQU1Cevo4GGlKuTZRzp ZzNMGW5A/qw9ZYGkRLiF5vdFpRckKZiTEG6la6clE9E5oBSIkqUe6e2g Ypo5ZZLHceoq8p7UUndJyj4ZYEc8LgM7JBQ16SljSmfa7AcCI8RTpL6l UeOSy0qwAOmU6DFyDw2sWX0Lw76+LTVdRDPOchxcG7Vp2Hg3KNVkQPpR PoDhM41s4oYZRxOV77tdkhF/9C7+azeOUDegfho1xJng3sLj2zPTyEnk Pcmo+w==
;; Received 681 bytes from 198.97.190.53#53(h.root-servers.net) in 174 ms
YA.RU. 345600 IN NS ns2.yandex.RU.
YA.RU. 345600 IN NS ns1.yandex.RU.
TDUI9D4JKUDS8B9T86GJ39PGFLCNLGM5.RU. 3600 IN NSEC3 1 1 3 00FF TGGMP4S4C5UAGAA21L263DBOBH0J0C7V NS SOA RRSIG DNSKEY NSEC3PARAM
TDUI9D4JKUDS8B9T86GJ39PGFLCNLGM5.RU. 3600 IN RRSIG NSEC3 8 2 3600 20170520164445 20170408063155 3135 ru. VR3gAyvjSrBolAvcTCGn0tNK7Ry92oq9IBVrAlRNCFctMTPUT/4U69hW yG7/1uLL+bTMUglzHnC33q3EWYxn+iW/bVxDGX9qtP1E+GCa6S3VUhXE MU50P2O3vTUxlWc9s3+yKtSBzrRxVgGbUl8WcdGbSCtwOeuUPTu7vrZ9 QCI=
84DDOQV2QDOQ16BCJDQE89PCVVKOLRT2.RU. 3600 IN NSEC3 1 1 3 00FF 85AB7RPEHFVE546VNDBFOQMG7GQ8BJ8V NS DS RRSIG
84DDOQV2QDOQ16BCJDQE89PCVVKOLRT2.RU. 3600 IN RRSIG NSEC3 8 2 3600 20170518150608 20170406224410 3135 ru. sNIKAct+baMkSwv1n49MOdaelAM6DUmNYsJ4ZZCoqD11KibVNGgBQDPy kaY1M06TJhwwpdiTqDcMwtTxxxiOK4w27XVAZoR9OBnSM2Pu1zZV/dPE sz5XguM9VNKh+M76JJr6aZ4AG/OlRnVO5PnwQQwOlSavWf/N1dLWmYt1 dyo=
;; Received 672 bytes from 193.232.128.6#53(a.dns.ripn.net) in 24 ms
ya.ru. 600 IN A 87.250.250.242
ya.ru. 7200 IN NS ns2.yandex.ru.
ya.ru. 7200 IN NS ns1.yandex.ru.
;; Received 181 bytes from 93.158.134.1#53(ns2.yandex.RU) in 37 ms