TElDNSResourceRecordSet.FindSignatureByUpperLevel method

TElDNSResourceRecordSet.FindSignatureByUpperLevel

Looks for a signature RR.

Declaration

[C#]
int FindSignatureByUpperLevel(string Criteria, TSBDNSResourceType CoveredType, int Start);

[VB.NET]
Function FindSignatureByUpperLevel(ByVal Criteria As String, ByVal CoveredType As TSBDNSResourceType, ByVal Start As Integer) As Integer

[Pascal]
function FindSignatureByUpperLevel(const Criteria : string; CoveredType : TSBDNSResourceType; Start : Integer): Integer;

[C++]
int32_t FindSignatureByUpperLevel(const std::string &Criteria, TSBDNSResourceType CoveredType, int32_t Start);

[PHP]
integer FindSignatureByUpperLevel(string $Criteria, integer $CoveredType, integer $Start)

[Java]
int findSignatureByUpperLevel(String Criteria, TSBDNSResourceType CoveredType, int Start);

Parameters

Values:

[.NET] [C++]	[Pascal]	Description
dnsUnknownResource = 0	dnsUnknownResource	unknown resource
dnsIPv4Address = 1	dnsIPv4Address	IPv4 address
dnsNameServer = 2	dnsNameServer	name server
dnsCanonicalName = 3	dnsCanonicalName	canonical name for an alias (CNAME)
dnsStartOfAuthority = 4	dnsStartOfAuthority	start of a zone of authority mark (SOA)
dnsWellKnownService = 5	dnsWellKnownService	a well known service description (WKS)
dnsDomainNamePointer = 6	dnsDomainNamePointer	domain name pointer (PTR)
dnsHostInfo = 7	dnsHostInfo	host information (HINFO)
dnsMailInfo = 8	dnsMailInfo	mailbox or mail list information (MINFO)
dnsMailExchange = 9	dnsMailExchange	mail exchange (MX)
dnsTextStrings = 10	dnsTextStrings	text strings (TXT)
dnsIPv6Address = 11	dnsIPv6Address	IPv6 address
dnsServiceLocation = 12	dnsServiceLocation	service location
dnsExtensions = 13	dnsExtensions	DNS extensions
dnsDelegationSigner = 14	dnsDelegationSigner	delegation signer (DS)
dnsSignature = 15	dnsSignature	resource record digital signature (RRSIG)
dnsNextSecure = 16	dnsNextSecure	next secure (NSEC)
dnsPublicKey = 17	dnsPublicKey	DNS Public Key (DNSKEY)
dnsNextSecure3 = 18	dnsNextSecure3	alternative to NSEC denial of existence record (NSEC3)
dnsNextSecure3Param = 19	dnsNextSecure3Param	NSEC3 parameters (NSEC3PARAM)
dnsAll = 20	dnsAll	request for all records

Return value

Returns the index of the desired item in the list. If the item has not been found, returns -1.

Description

Use this method to search for the RR that covers RRset of certain type.