I got working tor and i2p lnaddress and NIP-05:

tor:

sommerfeld@strisemarx.uirv6w4mn6jpni53pd73mpacg2vcezlp2y7l3tg3kf5lo5jjh3hcvdid.onion

i2p:

sommerfeld@e2rb3dw3o7q6ram5kbjlcngqu4y7zrhlwxrcmk3fbl5ehqdko5ea.b32.i2p

Can your custodians do THAT?