In article <alpine.lrh.2.21.1905161448390.8...@bofh.nohats.ca>,
Paul Wouters via Unbound-users <p...@nohats.ca> wrote:
A restart with enabled verbosity to see what's going on, of
course worked like a charm :/

Note the TTL is pretty short (1440, did someone confuse MTU for TTL?)

Manual checking:

Oh, wait, the servers for .ir and for .XN--MGBA3A4F16A are different.

Start via local root
$ drill @127.12.12.12  XN--MGBA3A4F16A. soa
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 63506
;; flags: qr rd ; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;; XN--MGBA3A4F16A.     IN      SOA

;; ANSWER SECTION:

;; AUTHORITY SECTION:
XN--MGBA3A4F16A.        172800  IN      NS      a.nic.ir.
XN--MGBA3A4F16A.        172800  IN      NS      ns.irnic.ir.

$ drill @193.189.123.2 XN--MGBA3A4F16A. soa
; timeout

$ drill @193.189.122.83 XN--MGBA3A4F16A. soa
;; ->>HEADER<<- opcode: QUERY, rcode: SERVFAIL, id: 65073
;; flags: qr rd ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; XN--MGBA3A4F16A.     IN      SOA

I guess that explains it.  Not my problem. But where'd Google's
answers come from?  The NS I'm getting from my local root match the
ones from the real root and what's here:
https://www.iana.org/domains/root/db/xn--mgba3a4f16a.html

$ drill @8.8.8.8 XN--MGBA3A4F16A. ns
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 56461
;; flags: qr rd ra ; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; XN--MGBA3A4F16A.     IN      NS

;; ANSWER SECTION:
XN--MGBA3A4F16A.        1439    IN      NS      b.nic.ir.
XN--MGBA3A4F16A.        1439    IN      NS      a.nic.ir.
XN--MGBA3A4F16A.        1439    IN      NS      ir.cctld.authdns.ripe.net.

$ drill @8.8.8.8 XN--MGBA3A4F16A. soa
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 25896
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; XN--MGBA3A4F16A.     IN      SOA

;; ANSWER SECTION:
XN--MGBA3A4F16A.        1439    IN      SOA     ns1.nic.ir. info.nic.ir.
2019051622 14400 1800 604800 1440

R's,
John
--
Regards,
John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

Reply via email to