@misc{rfc4509,
 abstract = {This document specifies how to use the SHA-256 digest type in DNS Delegation Signer (DS) Resource Records (RRs).  DS records, when stored in a parent zone, point to DNSKEYs in a child zone. [STANDARDS-TRACK]},
 address = {Fremont, CA, USA},
 author = {W. Hardaker},
 bibfile = {bib/rfc4509.bib},
 doi = {10.17487/RFC4509},
 howpublished = {RFC 4509 (Proposed Standard)},
 institution = {RFC Editor},
 issn = {2070-1721},
 key = {RFC 4509},
 keywords = {domain name system, dns, dnskey},
 month = {05},
 number = {4509},
 organization = {RFC Editor},
 publisher = {RFC Editor},
 series = {Internet Request for Comments},
 title = {{Use of SHA-256 in DNSSEC Delegation Signer (DS) Resource Records (RRs)}},
 type = {RFC},
 url = {https://www.rfc-editor.org/rfc/rfc4509.txt},
 year = {2006}
}