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ldns-verify-zone - Online in the Cloud

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This is the command ldns-verify-zone that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



ldns-verify-zone - read a DNSSEC signed zone and verify it.


ldns-verify-zone ZONEFILE


ldns-verify-zone reads a DNS zone file and verifies it.

RRSIG resource records are checked against the DNSKEY set at the zone apex.

Each name is checked for an NSEC(3), if appropriate.


-h Show usage and exit

-a Apex only, check only the zone apex

-e period
Signatures may not expire within this period. Default no period is used.

-i period
Signatures must have been valid at least this long. Default signatures should just
be valid now.

-k file
A file that contains a trusted DNSKEY or DS rr. This option may be given more than

Alternatively, if -k is not specified, and a default trust anchor
(/etc/unbound/root.key) exists and contains a valid DNSKEY or DS record, it will be
used as the trust anchor.

-p [0-100]
Only check this percentage of the zone. Which names to check is determined
randomly. Defaults to 100.

-S Chase signature(s) to a known key. The network may be accessed to validate the
zone's DNSKEYs. (implies -k)

-t YYYYMMDDhhmmss | [+|-]offset
Set the validation time either by an absolute time value or as an offset in seconds
from the current time.

-v Show the version and exit

-V number
Set the verbosity level (default 3):

0: Be silent
1: Print result, and any errors
2: Same as 1 for now
3: Print result, any errors, and the names that are
being checked
4: Same as 3 for now
5: Print the zone after it has been read, the result,
any errors, and the names that are being checked

periods are given in ISO 8601 duration format:

If no file is given standard input is read.

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