Hello,
You could decode the logs to get them:
3050312d 302b0603 55040313 244b3931 34333131 36313434 2e6e6f6b 69617369 656d656e 736e6574 776f726b 732e636f 6d311f30 1d060355 040a1316 4e6f6b69 61205369 656d6
decodes to:
0P1-0+U$K9143116144.nokiasiemensnetworks.com10UNokia Siem
http://www.rapidtables.com/convert/number/hex-to-ascii.htm
Does it ring a bell? DNs You used in the certificates, perhaps?
HTH
Thx
Alex