DNSWHOIS.INFO - 193.136.128.21
Search for IP or hostnames:
193.136.128.21 checked at 2025-09-14T21:39:05.630Z 570ms 14/14/14 100% R:11PTRs and A-records
| PTR | A | smtp1.tecnico.ulisboa.pt | |
| A | 2001:690:2100:1::15 | ||
| A | 193.136.128.21 | ||
| A | smtp1.ist.utl.pt | ||
| A | 2001:690:2100:1::15 | ||
| A | 193.136.128.21 |
IP numbers used in conjunction
RBLS
193.136.0.0/15
AS1930
dbq