%% You should probably cite draft-salgado-dnsop-rrserial instead of this I-D. @techreport{salgado-rrserial-01, number = {draft-salgado-rrserial-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-salgado-rrserial/01/}, author = {Hugo Salgado}, title = {{The "RRSERIAL" EDNS option for the SOA serial of a RR's zone}}, pagetotal = 5, year = 2020, month = jan, day = 27, abstract = {The "RRSERIAL" EDNS option allows a DNS querier to ask a DNS authoritative server to add a EDNS option in the answer of such query with the SOA serial number field of the origin zone which contains the answered resource record. This "RRSERIAL" data allows to debug problems and diagnosis by helping to recognize the origin of an answer, associating this answer with a respective zone version.}, }