1ldns-compare-zones(1)       General Commands Manual      ldns-compare-zones(1)
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NAME

6       ldns-compare-zones  -  read and compare two zonefiles and print differ‐
7       ences
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SYNOPSIS

10       ldns-compare-zones [-c] [-U] [-u] [-i] [-d] [-z] [-s]  ZONEFILE1  ZONE‐
11       FILE2
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DESCRIPTION

14       ldns-compare-zones  reads  two DNS zone files and prints number of dif‐
15       ferences.
16       Output is formatted to:
17               +NUM_INS        -NUM_DEL        ~NUM_CHG
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19       Except with the -U or -u option.  Then the output is formatted to:
20               +NUM_INS        -NUM_DEL        ~NUM_CHG        =NUM_EQ
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22       The major comparison is based on the owner name. If an  owner  name  is
23       present in zonefile 1, but not in zonefile 2, the resource records with
24       this owner name are considered deleted, and counted as NUM_DEL.  If  an
25       owner  name  is  present  in zonefile 2, but not in zonefile 1, the re‐
26       source records with  this  owner  name  are  considered  inserted,  and
27       counted as NUM_INS. If an owner name is present in both, but there is a
28       difference in the amount or content of the records, these  are  consid‐
29       ered changed, and counted as NUM_CHG.
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OPTIONS

32       -c     Print resource records whose owner names are in both zone files,
33              but with different resource records. (a.k.a. changed)
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35       -U     From resource records whose owner names are in both zone  files,
36              but with different resource records, print the unchanged records
37              too (a.k.a. changed++).
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39       -u     Print resource records whose owner names are in both zone files,
40              and which resource records are the same. (a.k.a. unchanged)
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42       -i     Print  resource  records  whose  owner names are present only in
43              ZONEFILE2 (a.k.a. inserted)
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45       -d     Print resource records whose owner names  are  present  only  in
46              ZONEFILE1 (a.k.a. deleted)
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48       -a     Print  all changes (except unchanged). Specifying this option is
49              the same as specifying -c -i and -d.
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51       -z     Suppress zone sorting; this option is not  recommended;  it  can
52              cause  records to be incorrectly marked as changed, depending of
53              the nature of the changes.
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55       -s     Do not exclude the SOA record  from  the  comparison.   The  SOA
56              record  may  then show up as changed due to a new serial number.
57              Off by default since you may be interested  to  know  if  (other
58              zone apex elements) have changed.
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60       -e     Exit with status code 2 when zones differ.
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62       -h     Show usage and exit
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64       -v     Show the version and exit
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AUTHOR

67       Written  by  Ondřej  Surý <ondrej@sury.org> for CZ.NIC, z.s.p.o. (czech
68       domain registry)
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REPORTING BUGS

71       Report bugs to <ondrej@sury.org>.
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74       Copyright (C) 2005 CZ.NIC, z.s.p.o.. This is free software. There is NO
75       warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR‐
76       POSE.
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80                                  17 Oct 2007            ldns-compare-zones(1)
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