RFC 623 · UNKNOWN · 1974
WED · 17 JUN 2026
Comments on on-line host name service
Overview
RFC 623, “Comments on on-line host name service”, is an Unknown document published in February 1974 by M. Krilanovich. The canonical text is published by the RFC Editor.
Abstract
See also RFCs 627, 625, 608 and 606.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 623 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1974
- RFC 622 Scheduling IMP/TIP down time
- RFC 624 Comments on the File Transfer Protocol
- RFC 621 NIC user directories at SRI ARC
- RFC 625 On-line hostnames service
- RFC 620 Request for monitor host table updates
- RFC 626 On a possible lockup condition in IMP subnet due to message sequencing
- RFC 619 Mean round-trip times in the ARPANET
- RFC 627 ASCII text file of hostnames