Y a todo esto... se nos pasó por alto que alguien en esta lista mencionara que alcanzamos los 1414 bytes de respuesta para la zona raíz (justo debajo del temído límite de 1500 de MTU)
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35173
;; flags: qr aa rd; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;. IN DNSKEY
;; ANSWER SECTION:
. 172800 IN DNSKEY 256 3 8 (
AwEAAYvxrQOOujKdZz+37P+oL4l7e35/0diH/mZITGjl
p4f81ZGQK42HNxSfkiSahinPR3t0YQhjC393NX4TorSi
TJy76TBWddNOkC/IaGqcb4erU+nQ75k2Lf0oIpA7qTCk
3UkzYBqhKDHHAr2UditE7uFLDcoX4nBLCoaH5FtfxhUq
yTlRu0RBXAEuKO+rORTFP0XgA5vlzVmXtwCkb9G8GknH
uO1jVAwu3syPRVHErIbaXs1+jahvWWL+Do4wd+lA+TL3
+pUk+zKTD2ncq7ZbJBZddo9T7PZjvntWJUzIHIMWZRFA
jpi+V7pgh0o1KYXZgDUbiA1s9oLAL1KLSdmoIYM=
) ; ZSK; alg = RSASHA256 ; key id = 15768
. 172800 IN DNSKEY 256 3 8 (
AwEAAcRIZfxskdElMKgjwvWQO2bQe7EGAvX6zgIaqmbs
aMqmMrIpd1+bP7nyULLuL8jWnKAqcaVfal2yJD50gg5z
Fl5yW/F9dKNXXEFI7VEcGrPyG6/OrA9RBU8pGWm0qxps
Nm5UIgTU5IX7pb/0rBj67c/R7qln8sjH1ylsr4f1Y3R6
p/druiEalKasEjGKA9L2w9jzUQusWxM7fQx/T8c/3x3b
sjveD1dleQ6MJaCx4bpPXYZpqXmSvGn+T2v5350cBVAF
qVKhGbjxEyXAweem8cTU4L1p+DV7Ua11a1tMf0Tlu8pk
pLwh7NQIggIEhJwEhPeXE3E4C6Q2/PFENcoFERc=
) ; ZSK; alg = RSASHA256 ; key id = 46809
. 172800 IN DNSKEY 257 3 8 (
AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQ
bSEW0O8gcCjFFVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh
/RStIoO8g0NfnfL2MTJRkxoXbfDaUeVPQuYEhg37NZWA
JQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaDX6RS6CXp
oY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3
LQpzW5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGO
Yl7OyQdXfZ57relSQageu+ipAdTTJ25AsRTAoub8ONGc
LmqrAmRLKBP1dfwhYB4N7knNnulqQxA+Uk1ihz0=
) ; KSK; alg = RSASHA256 ; key id = 19036
. 172800 IN DNSKEY 257 3 8 (
AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTO
iW1vkIbzxeF3+/4RgWOq7HrxRixHlFlExOLAJr5emLvN
7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5
LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF0jLHwVN8
efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7
pr+eoZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLY
A4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnXGXws
9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU=
) ; KSK; alg = RSASHA256 ; key id = 20326
. 172800 IN RRSIG DNSKEY 8 0 172800 (
20171010000000 20170919000000 19036 .
G1B0YY5YGCRtT3HuZhR6/ivgiiZ5uBSkPri6Mrhz6lZt
JeQMeIPiIlAO+Y8jEkurNYPL4Gk1kaprSKBbKnB3joIe
GHGBBRiKYgS0cQk/NWuEX9JfLtW0RwZhrXTN7JsH15/W
EjFQkH0LnR+R3WUFH8uHR4kxLFKztKDSZoNf+PR7pa8P
K98YcjSW7rZcTV70V3daSwQTeJIpXpUhVUGXXju9WN0c
RVVYCk7sRteUqKqJQxLBAlzYQX2CgPhZOTypqJxzj12e
9Y/9WPGkBLqfxHms0c/Om+NO5WhNNONLdoXX8Yw4okFC
podGUO/UMrgM4qm7SWxXkjZwedzDZFJpYA== )
;; Query time: 101 msec
;; SERVER: 2001:500:9f::42#53(2001:500:9f::42)
;; WHEN: Wed Sep 20 16:23:50 UYT 2017
;; MSG SIZE rcvd: 1414