Viva, atualizaram os routers e o DNS do lvh.me deixou de funcionar (os nomes “servico.lvh.me” deixaram de ser resolvidos, deviam apontar para 127.0.0.1). Já liguei para o apoio técnico e fizeram reset ao router para nada, continua sem funcionar :(
DNS lvh.me deixou de funcionar
Melhor resposta por Utilizador que paga
Olá, consegui perceber que a resolução do dns no router só falha para pedidos cuja resposta seja 127.0.0.1. Se usar o comando dig com o dominio “localtest.me” os pedidos ao router falham
joao@MB24 ~ % dig here.localtest.me
; <<>> DiG 9.10.6 <<>> here.localtest.me
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54735
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 2048
;; QUESTION SECTION:
;here.localtest.me. IN A
;; Query time: 227 msec
;; SERVER: 2a01:11:310:16d0::1#53(2a01:11:310:16d0::1)
;; WHEN: Thu Jan 29 10:01:42 WET 2026
;; MSG SIZE rcvd: 46
mas no dns da cloudflare funcionam
joao@MB24 ~ % dig @1.1.1.1 here.localtest.me
; <<>> DiG 9.10.6 <<>> @1.1.1.1 here.localtest.me
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4795
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;here.localtest.me. IN A
;; ANSWER SECTION:
here.localtest.me. 259200 IN A 127.0.0.1
;; Query time: 202 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Thu Jan 29 10:01:50 WET 2026
;; MSG SIZE rcvd: 62e acontece o mesmo com o dominio “lvh.me”. Mas com o dominio “nip.io” as consultas de IPs publicos funcionam no router
joao@MB24 ~ % dig 172-237-141-204.nip.io
; <<>> DiG 9.10.6 <<>> 172-237-141-204.nip.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50066
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 2048
;; QUESTION SECTION:
;172-237-141-204.nip.io. IN A
;; ANSWER SECTION:
172-237-141-204.nip.io. 3600 IN A 172.237.141.204
;; Query time: 70 msec
;; SERVER: 2a01:11:310:16d0::1#53(2a01:11:310:16d0::1)
;; WHEN: Thu Jan 29 10:08:23 WET 2026
;; MSG SIZE rcvd: 67e as consultas de IPs de gamas privadas no dns interno do router ficam sem resposta
joao@MB24 ~ % dig 127-0-0-1.nip.io
; <<>> DiG 9.10.6 <<>> 127-0-0-1.nip.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2496
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 2048
;; QUESTION SECTION:
;127-0-0-1.nip.io. IN A
;; Query time: 283 msec
;; SERVER: 2a01:11:310:16d0::1#53(2a01:11:310:16d0::1)
;; WHEN: Thu Jan 29 10:10:23 WET 2026
;; MSG SIZE rcvd: 45
mas se as mesmas consultas forem feitas directamente ao dns da NOS já têm resposta correcta
joao@MB24 ~ % dig @62.169.70.160 127-0-0-1.nip.io
; <<>> DiG 9.10.6 <<>> @62.169.70.160 127-0-0-1.nip.io
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55404
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 2048
;; QUESTION SECTION:
;127-0-0-1.nip.io. IN A
;; ANSWER SECTION:
127-0-0-1.nip.io. 3600 IN A 127.0.0.1
;; Query time: 179 msec
;; SERVER: 62.169.70.160#53(62.169.70.160)
;; WHEN: Thu Jan 29 10:13:58 WET 2026
;; MSG SIZE rcvd: 61
Resumindo, queries de DNS no router que apontem para 127.0.0.1 ficam sem resposta. Por favor não mencionem CGNAT que não tem nada a ver, nem microinformática nem “mau-olhado”. Deixem só os técnicos da NOS tomarem conhecimento e corrigirem o software do router.
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