SRV SIP records - DNS analysis CZ 2009/09

back to analysis index

SRV SIP records presence
result	number	%
domain does not provide SIP services	569140	97.01
domain provides SIP services with UDP protocol	176	0.03
domain provides SIP services with TCP protocol	0	0
domain provides SIP services with TCP and UDP protocol	35	0.01

Syntax check of SRV records
result	number	%
All SRV records are syntactically correct	211	0.04
some SRV record has invalid syntax	0	0
some SRV record contains an IP address	0	0
unknown or not tested	569140	97.01

Resolve SIP servers from SRV records to IP addresses
result	number	%
All domain names from SRV SIP records can be resolved to IP address	199	0.03
some domain names from SRV records can't be resolved to IP	0	0
none of domain names from SRV records can't be resolved to IP	12	0
unknown or not tested	569140	97.01

SRV records duplicity
result	number	%
SRV records are not duplicate	208	0.04
SRV records contain duplicate domain names	2	0
some of domain names from SRV records points to the same IP	1	0
unknown or not tested	569140	97.01

TTL values check for SRV records
result	number	%
TTL values for SRV records are equal	211	0.04
TTL mismatch in TCP SRV records	0	0
TTL mismatch in UDP SRV records	0	0
unknown or not tested	569140	97.01

Reverse records for SIP servers
result	number	%
Reverse records match their IP addresses	190	0.03
reverse records mismatch for all SRV records	8	0
reverse records mismatch for some SRV records	0	0
reverse record for some SRV record does not exist	13	0
unknown or not tested	569140	97.01

AAAA records presence for SIP servers
result	number	%
All SIP servers have IPv6 addresses (AAAA records)	8	0
at least one SIP server has IPv6 address (AAAA record)	0	0
none of SIP servers does not have IPv6 address (AAAA record)	203	0.03
unknown or not tested	569140	97.01

---