IPv4 issue ONLY from router, LAN is fine?

[Steve28]

for the past few update checks I have been having this issue where just the mimugmail repo won't update:

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***GOT REQUEST TO CHECK FOR UPDATES***
Currently running OPNsense 23.1_6 at Fri Mar 10 10:23:09 PST 2023
Fetching changelog information, please wait... done
Updating OPNsense repository catalogue...
Fetching meta.conf: . done
Fetching packagesite.pkg: .......... done
Processing entries: .......... done
OPNsense repository update completed. 816 packages processed.
Updating mimugmail repository catalogue...
pkg: https://opn-repo.routerperformance.net/repo/FreeBSD:13:amd64/meta.txz: Operation timed out
repository mimugmail has no meta file, using default settings
pkg: https://opn-repo.routerperformance.net/repo/FreeBSD:13:amd64/packagesite.pkg: Operation timed out
pkg: https://opn-repo.routerperformance.net/repo/FreeBSD:13:amd64/packagesite.txz: Operation timed out
Unable to update repository mimugmail
Error updating repositories!
Checking integrity... done (0 conflicting)
Your packages are up to date.
***DONE***
In trying to debug, I log in via ssh and I noticed I cannot curl from or ping opn-repo.routerperformance.net.  So I go to Interfaces->Diagnostics->Ping.  I cannot ping any address using IPv4 IF the source is set to 'default' if I set it to any of the options in the dropdown, it works fine.  If I set it to IPv6, it also works fine with the default interface. 

So it would appear that I have an IPv4 issue only from the firewall itself?  I assume the repository for the OPNSense itself is reachable via IPv6? I'm lost, hoping for some help.