/etc/bind/bind.keys is in bind9 1:9.9.5.dfsg-3ubuntu0.19.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | /* $Id: bind.keys,v 1.7 2011/01/03 23:45:07 each Exp $ */
# The bind.keys file is used to override the built-in DNSSEC trust anchors
# which are included as part of BIND 9. As of the current release, the only
# trust anchors it contains are those for the DNS root zone ("."), and for
# the ISC DNSSEC Lookaside Validation zone ("dlv.isc.org"). Trust anchors
# for any other zones MUST be configured elsewhere; if they are configured
# here, they will not be recognized or used by named.
#
# The built-in trust anchors are provided for convenience of configuration.
# They are not activated within named.conf unless specifically switched on.
# To use the built-in root key, set "dnssec-validation auto;" in
# named.conf options. To use the built-in DLV key, set
# "dnssec-lookaside auto;". Without these options being set,
# the keys in this file are ignored.
#
# This file is NOT expected to be user-configured.
#
# These keys are current as of Feburary 2017. If any key fails to
# initialize correctly, it may have expired. In that event you should
# replace this file with a current version. The latest version of
# bind.keys can always be obtained from ISC at https://www.isc.org/bind-keys.
managed-keys {
# ISC DLV: See https://www.isc.org/solutions/dlv for details.
#
# NOTE: The ISC DLV zone is being phased out as of February 2017;
# the key will remain in place but the zone will be otherwise empty.
# Configuring "dnssec-lookaside auto;" to activate this key is
# harmless, but is no longer useful and is not recommended.
dlv.isc.org. initial-key 257 3 5 "BEAAAAPHMu/5onzrEE7z1egmhg/WPO0+juoZrW3euWEn4MxDCE1+lLy2
brhQv5rN32RKtMzX6Mj70jdzeND4XknW58dnJNPCxn8+jAGl2FZLK8t+
1uq4W+nnA3qO2+DL+k6BD4mewMLbIYFwe0PG73Te9fZ2kJb56dhgMde5
ymX4BI/oQ+cAK50/xvJv00Frf8kw6ucMTwFlgPe+jnGxPPEmHAte/URk
Y62ZfkLoBAADLHQ9IrS2tryAe7mbBZVcOwIeU/Rw/mRx/vwwMCTgNboM
QKtUdvNXDrYJDSHZws3xiRXF1Rf+al9UmZfSav/4NWLKjHzpT59k/VSt
TDN0YUuWrBNh";
# ROOT KEYS: See https://data.iana.org/root-anchors/root-anchors.xml
# for current trust anchor information.
#
# These keys are activated by setting "dnssec-validation auto;"
# in named.conf.
#
# This key (19036) is to be phased out starting in 2017. It will
# remain in the root zone for some time after its successor key
# has been added. It will remain this file until it is removed from
# the root zone.
. initial-key 257 3 8 "AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
QxA+Uk1ihz0=";
# This key (20326) is to be published in the root zone in 2017.
# Servers which were already using the old key should roll to the
# new # one seamlessly. Servers being set up for the first time
# can use either of the keys in this file to verify the root keys
# for the first time; thereafter the keys in the zone will be
# trusted and maintained automatically.
. initial-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
R1AkUTV74bU=";
};
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