Лучше использовать [System.Net.Dns]::GetHostEntry , т.к. остальные методы являются устаревшими.
https://msdn.microsoft.com/en-us/lib...v=vs.110).aspx
Код:
Public method Static member GetHostByAddress(IPAddress) Obsolete. Creates an IPHostEntry instance from the specified IPAddress.
Public method Static member GetHostByAddress(String) Obsolete. Creates an IPHostEntry instance from an IP address.
Public method Static member GetHostByName Obsolete. Gets the DNS information for the specified DNS host name.
GetHostEntry - берет информацию из кэша при наличии. Поэтому надежнее использовать nslookup(где постоянно опрос сервера и возврат с RoundRobin)
Код:
PS > Get-DnsClientCache -Entry ya.ru
Entry RecordName Record Status Section TimeTo Data L Data
Type Live ength
----- ---------- ------ ------ ------- ------ ------ ----
ya.ru ya.ru A Success Answer 64 4 213.180.193.3
ya.ru ya.ru A Success Answer 64 4 213.180.204.3
ya.ru ya.ru A Success Answer 64 4 93.158.134.3
PS > [System.Net.Dns]::GetHostEntry('ya.ru').AddressList.IPAddressToString
213.180.193.3
213.180.204.3
93.158.134.3
Или новые командлет Resolve-DNSName
Код:
PS > Resolve-DnsName vk.com
Name Type TTL Section IPAddress
---- ---- --- ------- ---------
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:909
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:900
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:908
vk.com A 77 Answer 87.240.143.241
vk.com A 77 Answer 87.240.131.97
vk.com A 77 Answer 87.240.131.99
PS > Resolve-DnsName vk.com
Name Type TTL Section IPAddress
---- ---- --- ------- ---------
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:900
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:908
vk.com AAAA 77 Answer 2a00:bdc0:3:103:1:0:403:909
vk.com A 77 Answer 87.240.131.97
vk.com A 77 Answer 87.240.131.99
vk.com A 77 Answer 87.240.143.241
PS > Resolve-DnsName vk.com
Name Type TTL Section IPAddress
---- ---- --- ------- ---------
vk.com AAAA 76 Answer 2a00:bdc0:3:103:1:0:403:908
vk.com AAAA 76 Answer 2a00:bdc0:3:103:1:0:403:909
vk.com AAAA 76 Answer 2a00:bdc0:3:103:1:0:403:900
vk.com A 76 Answer 87.240.131.99
vk.com A 76 Answer 87.240.143.241
vk.com A 76 Answer 87.240.131.97
