Enter host name or IP address: 4 result(s) for 21.139.in-addr.arpa
namequery typeresultfirst seenlast seen
21.139.in-addr.arpa. NSns.sbs.de.
2017-04-06 20:08:382025-04-16 12:57:09
21.139.in-addr.arpa. NSdavid.siemens.com.
2017-04-06 20:08:382025-04-16 12:57:09
21.139.in-addr.arpa. NSdavid.siemens.com.sg.
2017-04-06 20:08:382025-04-16 12:57:09
21.139.in-addr.arpa. NSdavid.siemens.de.
2017-04-06 20:08:382025-04-16 12:57:09

WHOIS info for: 21.139.in-addr.arpa 

No whois server is known for this kind of object.