[outages] zen.spamhaus.org not resolving

[Stephane Bortzmeyer]

On Tue, Apr 20, 2021 at 07:34:51AM -0700,
 Jared Geiger via Outages <outages at outages.org> wrote 
 a message of 35 lines which said:

> zen.spamhaus.org
> <https://www.dnsbl.info/dnsbl-details.php?dnsbl=zen.spamhaus.org> DNS
> blacklist doesn't seem to be resolving.

It works fine for me. (But the incredible number of IP addresses for
its name servers is a bit disconcerting.)

Could you provide details? Precise request, actual DNS result?

% dig A 192.0.1.1.zen.spamhaus.org 
; <<>> DiG 9.11.5-P4-5.1+deb10u3-Debian <<>> A 192.0.1.1.zen.spamhaus.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11405
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;192.0.1.1.zen.spamhaus.org. IN A

;; AUTHORITY SECTION:
zen.spamhaus.org.	10 IN SOA need.to.know.only. hostmaster.spamhaus.org. (
				2104201507 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				432000     ; expire (5 days)
				10         ; minimum (10 seconds)
				)

;; Query time: 32 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Apr 20 17:08:12 CEST 2021
;; MSG SIZE  rcvd: 147