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System and Network configuration • Strange DNS issue

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I'm running Debian 12 and running into a strange DNS issue. Ping results in temporary failure issues. It won't resolve entries in the /etc/hosts file either.
dig, nslookup, and host commands do resolve and work correctly though. I've verified my resolv.conf and msswitch.conf are configured correctly. I'm at a loss as to what to try next.

Code:

root@pve:~# ping download.proxmox.comping: download.proxmox.com: Temporary failure in name resolution

Code:

root@pve:~# tail /etc/resolv.confnameserver 1.1.1.1nameserver 8.8.8.8

Code:

root@pve:~# host download.proxmox.comdownload.proxmox.com is an alias for download.cdn.proxmox.com.download.cdn.proxmox.com is an alias for us.na.cdn.proxmox.com.us.na.cdn.proxmox.com is an alias for na2.cdn.proxmox.com.na2.cdn.proxmox.com has address 170.130.165.90na2.cdn.proxmox.com has IPv6 address 2a0b:7140:8:100::90root@pve:~#

Code:

root@pve:~# dig download.proxmox.com; <<>> DiG 9.18.28-1~deb12u2-Debian <<>> download.proxmox.com;; global options: +cmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53740;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:; EDNS: version: 0, flags:; udp: 1232;; QUESTION SECTION:;download.proxmox.com.          IN      A;; ANSWER SECTION:download.proxmox.com.   806     IN      CNAME   download.cdn.proxmox.com.download.cdn.proxmox.com. 60    IN      CNAME   us.na.cdn.proxmox.com.us.na.cdn.proxmox.com.  60      IN      CNAME   na.cdn.proxmox.com.na.cdn.proxmox.com.     60      IN      A       66.70.154.82;; Query time: 66 msec;; SERVER: 1.1.1.1#53(1.1.1.1) (UDP);; WHEN: Fri Oct 18 22:18:49 CDT 2024;; MSG SIZE  rcvd: 126root@pve:~#

Code:

root@pve:~# nslookup download.proxmox.comServer:         1.1.1.1Address:        1.1.1.1#53Non-authoritative answer:download.proxmox.com    canonical name = download.cdn.proxmox.com.download.cdn.proxmox.com        canonical name = us.na.cdn.proxmox.com.us.na.cdn.proxmox.com   canonical name = na2.cdn.proxmox.com.Name:   na2.cdn.proxmox.comAddress: 170.130.165.90Name:   na2.cdn.proxmox.comAddress: 2a0b:7140:8:100::90root@pve:~#

Code:

 /etc/nsswitch.conf## Example configuration of GNU Name Service Switch functionality.# If you have the `glibc-doc-reference' and `info' packages installed, try:# `info libc "Name Service Switch"' for information about this file.passwd:         files systemdgroup:          files systemdshadow:         files systemdgshadow:        files systemdhosts:          files dnsnetworks:       filesprotocols:      db filesservices:       db filesethers:         db filesrpc:            db filesnetgroup:       nis
/etc/hosts

Code:

66.70.154.82 download.proxmox.com64.50.236.52 ftp.us.debian.org151.101.130.132 security.debian.org# The following lines are desirable for IPv6 capable hosts#::1     ip6-localhost ip6-loopback#fe00::0 ip6-localnet#ff00::0 ip6-mcastprefix#ff02::1 ip6-allnodes#ff02::2 ip6-allrouters#ff02::3 ip6-allhosts

Statistics: Posted by lebowski — 2024-10-19 03:20 — Replies 0 — Views 18



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