My current contact information
Click here to get my contact card (enter as username and password both the first 4 letters of this site).
US cell (also works when I am abroad): 678-856-6638 (678-ULNO-NET). This is also my WhatsApp and Telegram contact
German landline (sipgate): +49 2402 9791070 (can be called in general, a message will be forwarded as email to me, should I not be online)
(If you call the US numbers from abroad don't forget to dial 001, +1, or the respective US dial code first.)
If you do not trust email as a communication medium and want to contact me securely as well as privately, please send me a message with the program bitmessage to BM-NBtj5VF1i1QvF8D7JKXpKo59S46U4qsZ.
You can download my public GnuPG-keys here:
my key for emails ending with ulno.net. ID: 0x5F805880. Fingerprint: E736 0689 412B 9DD0 FFAF 1D55 A335 50B2 F012 E569.