Re: server offline, and "news.gmane.io/0 Name or service not known"

Emanuel Berg <[email protected]> writes:

> news.gmane.io is suddenly offline all the time, but now and
> then I can open it again. It goes offline until next time
> I check tho.
>
> When I try to open it and it works, sometimes it says
>
>   news.gmane.io/0 Name or service not known
>
> When it doesn't work it doesn't say anything, it just
> stays offline.
>
> What's going on?

So it's not just me.

I'm using emacs/gnus.

As well as "news.gmane.io/0 Name or service not known" I'm seeing a DNS
issue.

Occasionally I get NXDOMAIN. I run my own recursive nameserver, so "rndc
flush" clears the cache and the next query works.

$ dig news.gmane.io

; <<>> DiG 9.16.15 <<>> news.gmane.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62697
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: bacfdf8c620692990100000060ccfc75be7f7d85db994fb9 (good)
;; QUESTION SECTION:
;news.gmane.io.                 IN      A

;; AUTHORITY SECTION:
gmane.io.               2326    IN      SOA
george.ns.cloudflare.com. dns.cloudflare.com. 2034574107 10000 2400
604800 3600

;; Query time: 3 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Jun 18 21:05:09 BST 2021
;; MSG SIZE  rcvd: 148


$ dig news.gmane.io

; <<>> DiG 9.16.15 <<>> news.gmane.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14548
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 870a7113245a63880100000060cef1ecdfc461e95f230034 (good)
;; QUESTION SECTION:
;news.gmane.io.                 IN      A

;; ANSWER SECTION:
news.gmane.io.          300     IN      CNAME   ciao.gmane.io.
ciao.gmane.io.          300     IN      A       116.202.254.214

;; Query time: 531 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Jun 20 08:44:44 BST 2021
;; MSG SIZE  rcvd: 105

alan@rfvt:~ $



-- 
Alan J. Wylie                                          https://www.wylie.me.uk/

Dance like no-one's watching. / Encrypt like everyone is.
Security is inversely proportional to convenience