The URI record, specified in :rfc:`7553`, is used to publish
mappings from hostnames to URIs.
+ZONEMD
+------
+
+The ZONEMD record, specified in :rfc:`8796`, is used to validate zones.
+
Other types
-----------
The following, rarely used or obsolete record types, are also supported:
-- A6 (:rfc:`2874`, obsolete)
- DHCID (:rfc:`4701`)
- DLV (:rfc:`4431`)
- EUI48/EUI64 (:rfc:`7043`)
- L32 (:rfc:`6742`)
- L64 (:rfc:`6742`)
- LP (:rfc:`6742`)
-- MAILA (:rfc:`1035`)
-- MAILB (:rfc:`1035`)
- MINFO (:rfc:`1035`)
- MR (:rfc:`1035`)
- NID (:rfc:`6742`)
- RKEY (`draft-reid-dnsext-rkey-00.txt <https://tools.ietf.org/html/draft-reid-dnsext-rkey-00>`__)
-- SIG (:rfc:`2535`, obsolete)
-- WKS (:rfc:`1035`)
.. _types-unknown: