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DNS Cloudflare (1.1.1.1) (EDE: 22 (No Reachable Authority): (time limit exceeded))

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#1
MarianG

MarianG

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Salut,

are cineva idee ce se intampla cu cei de la Cloudflare ?

Quote

[email protected]:~$ dig @1.1.1.1 brd.ro  +dnssec
; <<>> DiG 9.16.27-Debian <<>> @1.1.1.1 brd.ro +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 36188
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
; EDE: 22 (No Reachable Authority): (time limit exceeded)
;; QUESTION SECTION:
;brd.ro.     IN   A
;; Query time: 12 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Sat Jun 11 08:47:01 EEST 2022
;; MSG SIZE  rcvd: 60

Quote

[email protected]:~$ dig @8.8.8.8 brd.ro  +dnssec
; <<>> DiG 9.16.27-Debian <<>> @8.8.8.8 brd.ro +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52068
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;brd.ro.     IN   A
;; ANSWER SECTION:
brd.ro. 3600    IN   A    188.241.73.22
;; Query time: 80 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sat Jun 11 08:47:41 EEST 2022
;; MSG SIZE  rcvd: 51
Pe "internet" gasesc diferite posturi cu probleme similare, dar nici o explicatie concreta.

#2
echoFourZero

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Quote

Extended DNS Error Code 22 - No Reachable Authority
The resolver could not reach any of the authoritative name servers (or they potentially refused to reply)
Ambele servere brd sunt functionale si raspund la cereri. Nu am cum sa verific ce se intampla intre brd si cloudflare. Cache-urile cloudflare nu primesc raspunsul la timp sau sunt filtre pe NS-urile brd care le impiedica sa raspunda la cereri venite de la cloudflare.
Ai 2 posibilitati:
1. intrebi brd;
2. intrebi cloudflare.
Dar nu stiu care iti vor raspunde, probabil sanse mai mari ai cu cloudflare, brd poate ti-o reteaza cu "incearca alt(e) cache(-uri)".

#3
MarianG

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nu stiu cum se face, dar prin alte parti din lume (inca) merge

Quote

; <<>> DiG 9.18.3-1-Debian <<>> @1.1.1.1 brd.ro +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: xxxxx
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
;; QUESTION SECTION:
;brd.ro.    IN A
;; ANSWER SECTION:
brd.ro.   3600 IN A 188.241.73.22
;; Query time: 446 msec
;; SERVER: 1.1.1.1#53(1.1.1.1) (UDP)
;; WHEN: Sat Jun 11 08:46:01 CEST 2022
;; MSG SIZE  rcvd: 51


#4
Leo2006

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Quote

; <<>> DiG 9.16.27-Debian <<>> 1.1.1.1 brd.ro +dnssec
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49926
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;1.1.1.1.    IN   A
;; AUTHORITY SECTION:
.    2011 IN   SOA a.root-servers.net. nstld.verisign-grs.com. 2022061100 1800 900 604800 86400
;; Query time: 40 msec
;; SERVER: 9.9.9.9#53(9.9.9.9)
;; WHEN: Sat Jun 11 11:46:14 EEST 2022
;; MSG SIZE  rcvd: 111
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54318
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;brd.ro. IN   A
;; ANSWER SECTION:
brd.ro. 3600 IN   A    188.241.73.22
;; Query time: 296 msec
;; SERVER: 9.9.9.9#53(9.9.9.9)
;; WHEN: Sat Jun 11 11:46:14 EEST 2022
;; MSG SIZE  rcvd: 51

Pe un pi-hole merge. A identificat DNS root server, VeriSign Global Registry Services.

Edited by Leo2006, 11 June 2022 - 11:00.


#5
echoFourZero

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Da, functioneaza pe orice, cata vreme intrebi alte cache-uri. Quad9 nu e cloudflare. La mine se manifesta ca la MarianG:

Quote

; <<>> DiG 9.18.3 <<>> @1.1.1.1 brd.ro +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 59022
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
; EDE: 22 (No Reachable Authority): (time limit exceeded)
;; QUESTION SECTION:
;brd.ro.    IN A
;; Query time: 0 msec
;; SERVER: 1.1.1.1#53(1.1.1.1) (UDP)
;; WHEN: Sat Jun 11 11:52:48 EEST 2022
;; MSG SIZE  rcvd: 60
Alte cache-uri, Quad9, RDS, raspund la cererea aia in cazul meu.

#6
MarianG

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View PostLeo2006, on 11 iunie 2022 - 10:48, said:

Pe un pi-hole merge. A identificat DNS root server, VeriSign Global Registry Services.
a mers dupa ce am debifat Cloudflare
Attached File  pihole.png   24.4K   36 downloads
am vazut in log-urile pi-hole ca brd.ro nu primeste mare lucru, si am incercat  cu dig sa vad ce se intampla

#7
Leo2006

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Quote

; <<>> DiG 9.16.27-Debian <<>> @1.1.1.1 brd.ro +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 4986
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
; EDE: 22 (No Reachable Authority): (time limit exceeded)
;; QUESTION SECTION:
;brd.ro.     IN   A
;; Query time: 12 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Sat Jun 11 12:35:43 EEST 2022
;; MSG SIZE  rcvd: 60

Prin cloudflare face la fel si la mine. Nu mai merge accesarea celor doua nameservere de BRD
Restrictia e in Cloudflare, probabil ca la solicitarea expresa a unor banci.

#8
MarianG

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Leo2006 ai uitat uitat un "around" @ inainte de 1.1.1.1

View PostLeo2006, on 11 iunie 2022 - 11:57, said:

Prin cloudflare face la fel si la mine. Nu mai merge accesarea celor doua nameservere de BRD
Restrictia e in Cloudflare, probabil ca la solicitarea expresa a unor banci.
pai aia zic,
acum daca esta la solicitarea expresa a unor banci, macar sa stiim pe cine tragem de maneca.

#9
Leo2006

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Sa fie asta motivul ?

Quote

Some providers even sell this data, or use it to target you with ads.
1.1.1.1 with WARP prevents anyone from snooping on you by encrypting more of the traffic leaving your device.
We believe privacy is a right. We won't sell your data, ever.

Edited by Leo2006, 11 June 2022 - 12:27.


#10
MarianG

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warp este aplicatie suplimentara, dar nu am asa ceva instalat

am setate IP-uril statice pentru toate terminalele, fiecare cu DNS-ul sau.
un smarphone cu google 8.8.8.8
altul cu clouflare 1.1.1.1
al treilea cu openDNS 208.67.222.222
pc-url este cu pi-hole (care era dependend de Cloudflare, acum este openDNS)

nu cred sa fie WARP motivul, decat daca au facut ei ceva modificari si afecteaza ceea ce pana mai ieri mergea bine


Acum daca pica DNS-urile care tin evidenta bancilor ne-am pupat pe facturi.

Edited by MarianG, 11 June 2022 - 12:47.


#11
andreic

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Use isp provider DNS... stai fara griji.

#12
modoran

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Ce-i asa important cloudflare asta ? Nu folosesti nimic si totul merge perfect, deci care-i problema ca nu merge cloudflare ?  E ceva obligatoriu ? Nu e.

#13
MarianG

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Macar raspunsul lui andreic are sens, dar ce ceri matale (sa nu folosesti nimic) inseamna sa tin minte toate ip-urile site-urile pe care le vizitez.

Edited by MarianG, 11 June 2022 - 16:15.


#14
Rares95

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View Postmodoran, on 11 iunie 2022 - 16:05, said:

Ce-i asa important cloudflare asta ? Nu folosesti nimic si totul merge perfect, deci care-i problema ca nu merge cloudflare ?  E ceva obligatoriu ? Nu e.
Daca nu ar merge Cloudflare, un total outage(sanse aproape de zero) problema ar fi destul de mare, tinand cont de cate site-uri si servicii folosesc Cloudflare ca provider DNS, CDN sau pentru protectie DDoS.
Intr-adevar, nu e obligatoriu sa folosesti 1.1.1.1 ca DNS, eu mereu am ales DNS-urile automate de la provider. Cel putin la mine, cu IP-urile returnate de Cloudflare pentru site-uri precum Google, Facebook sau YouTube am ping dublu fata de IP-urile returnate de DNS-urile DIGI.

Edited by Rares95, 11 June 2022 - 16:23.


#15
MarianG

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Ce treaba are ping-ul  in asta ?

#16
Rares95

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Nu are, insa, i-am explicat omului cum sta treaba cu Cloudflare si ca, precum s-a mai spus, cel mai bine folosesti DNS-urile providerului(+ motivul pentru care personal aleg sa nu le schimb).

Edited by Rares95, 11 June 2022 - 17:11.


#17
Znevna

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Nu ma pricep de nicio culoare la DNS-uri, dar folosind adresele IPv6 de la cloudflare pare sa functioneze:
2606:4700:4700::1111
2606:4700:4700::1001

Spoiler

Spoiler

LE: probabil e o problema cu vreun server local de-al lor (daca totusi 1.1.1.1 din alte parti raspunde corect).

Edited by Znevna, 11 June 2022 - 20:37.


#18
MarianG

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Multumesc.

Edited by MarianG, 11 June 2022 - 20:40.


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