Namecoin: Add operator info for DNS seeds
Namecoin: Add operator info for DNS seeds

This improves consistency with upstream Bitcoin convention.

pataquets/namecoin-core,domob1812/namecore,namecoin/namecore,pataquets/namecoin-core,namecoin/namecore,namecoin/namecoin-core,pataquets/namecoin-core,pataquets/namecoin-core,namecoin/namecoin-core,pataquets/namecoin-core,namecoin/namecore,pataquets/namecoin-core,domob1812/namecore,domob1812/namecore,namecoin/namecore,namecoin/namecoin-core,namecoin/namecoin-core,namecoin/namecoin-core,namecoin/namecoin-core,namecoin/namecore,domob1812/namecore,namecoin/namecore,domob1812/namecore,domob1812/namecore