In article <mailman.442.1590526210.942.bind-us...@lists.isc.org> you write: >What's the best way to force an A query via UDP to return a TC=1 result: >a really long CNAME chain?
I'd suggest lots of AAAA records. You could do it with A records but you'd need four times as many $ dig wordy.examp1e.com aaaa ;; Truncated, retrying in TCP mode. ; <<>> DiG 9.10.6 <<>> wordy.examp1e.com aaaa ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24856 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 187, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;wordy.examp1e.com. IN AAAA ;; ANSWER SECTION: wordy.examp1e.com. 3594 IN AAAA 2001::1 wordy.examp1e.com. 3594 IN AAAA 2002::2 wordy.examp1e.com. 3594 IN AAAA 2003::3 wordy.examp1e.com. 3594 IN AAAA 2004::4 wordy.examp1e.com. 3594 IN AAAA 2005::5 wordy.examp1e.com. 3594 IN AAAA 2006::6 wordy.examp1e.com. 3594 IN AAAA 2006::7 wordy.examp1e.com. 3594 IN AAAA 2008::8 wordy.examp1e.com. 3594 IN AAAA 2009::9 wordy.examp1e.com. 3594 IN AAAA 200a::a wordy.examp1e.com. 3594 IN AAAA 200b::b wordy.examp1e.com. 3594 IN AAAA 200c::c wordy.examp1e.com. 3594 IN AAAA 200d::d wordy.examp1e.com. 3594 IN AAAA 200e::e wordy.examp1e.com. 3594 IN AAAA 200f::f wordy.examp1e.com. 3594 IN AAAA 2010::10 wordy.examp1e.com. 3594 IN AAAA 2011::11 wordy.examp1e.com. 3594 IN AAAA 2012::12 wordy.examp1e.com. 3594 IN AAAA 2013::13 wordy.examp1e.com. 3594 IN AAAA 2014::14 wordy.examp1e.com. 3594 IN AAAA 2015::15 wordy.examp1e.com. 3594 IN AAAA 2016::16 wordy.examp1e.com. 3594 IN AAAA 2017::17 wordy.examp1e.com. 3594 IN AAAA 2018::18 wordy.examp1e.com. 3594 IN AAAA 2019::19 wordy.examp1e.com. 3594 IN AAAA 201a::1a wordy.examp1e.com. 3594 IN AAAA 201b::1b wordy.examp1e.com. 3594 IN AAAA 201c::1c wordy.examp1e.com. 3594 IN AAAA 201d::1d wordy.examp1e.com. 3594 IN AAAA 201e::1e wordy.examp1e.com. 3594 IN AAAA 201f::1f wordy.examp1e.com. 3594 IN AAAA 2020::20 wordy.examp1e.com. 3594 IN AAAA 2021::21 wordy.examp1e.com. 3594 IN AAAA 2022::22 wordy.examp1e.com. 3594 IN AAAA 2023::23 wordy.examp1e.com. 3594 IN AAAA 2024::24 wordy.examp1e.com. 3594 IN AAAA 2025::25 wordy.examp1e.com. 3594 IN AAAA 2026::26 wordy.examp1e.com. 3594 IN AAAA 2027::27 wordy.examp1e.com. 3594 IN AAAA 2028::28 wordy.examp1e.com. 3594 IN AAAA 2029::29 wordy.examp1e.com. 3594 IN AAAA 202a::2a wordy.examp1e.com. 3594 IN AAAA 202b::2b wordy.examp1e.com. 3594 IN AAAA 202c::2c wordy.examp1e.com. 3594 IN AAAA 202d::2d wordy.examp1e.com. 3594 IN AAAA 202e::2e wordy.examp1e.com. 3594 IN AAAA 202f::2f wordy.examp1e.com. 3594 IN AAAA 2030::30 wordy.examp1e.com. 3594 IN AAAA 2031::31 wordy.examp1e.com. 3594 IN AAAA 2032::32 wordy.examp1e.com. 3594 IN AAAA 2033::33 wordy.examp1e.com. 3594 IN AAAA 2034::34 wordy.examp1e.com. 3594 IN AAAA 2035::35 wordy.examp1e.com. 3594 IN AAAA 2036::36 wordy.examp1e.com. 3594 IN AAAA 2037::37 wordy.examp1e.com. 3594 IN AAAA 2038::38 wordy.examp1e.com. 3594 IN AAAA 2039::39 wordy.examp1e.com. 3594 IN AAAA 203a::3a wordy.examp1e.com. 3594 IN AAAA 203b::3b wordy.examp1e.com. 3594 IN AAAA 203c::3c wordy.examp1e.com. 3594 IN AAAA 203d::3d wordy.examp1e.com. 3594 IN AAAA 203e::3e wordy.examp1e.com. 3594 IN AAAA 203f::3f wordy.examp1e.com. 3594 IN AAAA 2040::40 wordy.examp1e.com. 3594 IN AAAA 2041::41 wordy.examp1e.com. 3594 IN AAAA 2042::42 wordy.examp1e.com. 3594 IN AAAA 2043::43 wordy.examp1e.com. 3594 IN AAAA 2044::44 wordy.examp1e.com. 3594 IN AAAA 2045::45 wordy.examp1e.com. 3594 IN AAAA 2046::46 wordy.examp1e.com. 3594 IN AAAA 2047::47 wordy.examp1e.com. 3594 IN AAAA 2048::48 wordy.examp1e.com. 3594 IN AAAA 2049::49 wordy.examp1e.com. 3594 IN AAAA 204a::4a wordy.examp1e.com. 3594 IN AAAA 204b::4b wordy.examp1e.com. 3594 IN AAAA 204c::4c wordy.examp1e.com. 3594 IN AAAA 204d::4d wordy.examp1e.com. 3594 IN AAAA 204e::4e wordy.examp1e.com. 3594 IN AAAA 204f::4f wordy.examp1e.com. 3594 IN AAAA 2050::50 wordy.examp1e.com. 3594 IN AAAA 2051::51 wordy.examp1e.com. 3594 IN AAAA 2052::52 wordy.examp1e.com. 3594 IN AAAA 2053::53 wordy.examp1e.com. 3594 IN AAAA 2054::54 wordy.examp1e.com. 3594 IN AAAA 2055::55 wordy.examp1e.com. 3594 IN AAAA 2056::56 wordy.examp1e.com. 3594 IN AAAA 2057::57 wordy.examp1e.com. 3594 IN AAAA 2058::58 wordy.examp1e.com. 3594 IN AAAA 2059::59 wordy.examp1e.com. 3594 IN AAAA 205a::5a wordy.examp1e.com. 3594 IN AAAA 205b::5b wordy.examp1e.com. 3594 IN AAAA 205c::5c wordy.examp1e.com. 3594 IN AAAA 205d::5d wordy.examp1e.com. 3594 IN AAAA 205e::5e wordy.examp1e.com. 3594 IN AAAA 205f::5f wordy.examp1e.com. 3594 IN AAAA 2060::60 wordy.examp1e.com. 3594 IN AAAA 2061::61 wordy.examp1e.com. 3594 IN AAAA 2062::62 wordy.examp1e.com. 3594 IN AAAA 2063::63 wordy.examp1e.com. 3594 IN AAAA 2064::64 wordy.examp1e.com. 3594 IN AAAA 2065::65 wordy.examp1e.com. 3594 IN AAAA 2066::66 wordy.examp1e.com. 3594 IN AAAA 2067::67 wordy.examp1e.com. 3594 IN AAAA 2068::68 wordy.examp1e.com. 3594 IN AAAA 2069::69 wordy.examp1e.com. 3594 IN AAAA 206a::6a wordy.examp1e.com. 3594 IN AAAA 206b::6b wordy.examp1e.com. 3594 IN AAAA 206c::6c wordy.examp1e.com. 3594 IN AAAA 206d::6d wordy.examp1e.com. 3594 IN AAAA 206e::6e wordy.examp1e.com. 3594 IN AAAA 206f::6f wordy.examp1e.com. 3594 IN AAAA 2070::70 wordy.examp1e.com. 3594 IN AAAA 2071::71 wordy.examp1e.com. 3594 IN AAAA 2072::72 wordy.examp1e.com. 3594 IN AAAA 2073::73 wordy.examp1e.com. 3594 IN AAAA 2074::74 wordy.examp1e.com. 3594 IN AAAA 2075::75 wordy.examp1e.com. 3594 IN AAAA 2076::76 wordy.examp1e.com. 3594 IN AAAA 2077::77 wordy.examp1e.com. 3594 IN AAAA 2078::78 wordy.examp1e.com. 3594 IN AAAA 2079::79 wordy.examp1e.com. 3594 IN AAAA 207a::7a wordy.examp1e.com. 3594 IN AAAA 207b::7b wordy.examp1e.com. 3594 IN AAAA 207c::7c wordy.examp1e.com. 3594 IN AAAA 207d::7d wordy.examp1e.com. 3594 IN AAAA 207e::7e wordy.examp1e.com. 3594 IN AAAA 207f::7f wordy.examp1e.com. 3594 IN AAAA 2080::80 wordy.examp1e.com. 3594 IN AAAA 2081::81 wordy.examp1e.com. 3594 IN AAAA 2082::82 wordy.examp1e.com. 3594 IN AAAA 2083::83 wordy.examp1e.com. 3594 IN AAAA 2084::84 wordy.examp1e.com. 3594 IN AAAA 2085::85 wordy.examp1e.com. 3594 IN AAAA 2086::86 wordy.examp1e.com. 3594 IN AAAA 2087::87 wordy.examp1e.com. 3594 IN AAAA 2088::88 wordy.examp1e.com. 3594 IN AAAA 2089::89 wordy.examp1e.com. 3594 IN AAAA 208a::8a wordy.examp1e.com. 3594 IN AAAA 208b::8b wordy.examp1e.com. 3594 IN AAAA 208c::8c wordy.examp1e.com. 3594 IN AAAA 208d::8d wordy.examp1e.com. 3594 IN AAAA 208e::8e wordy.examp1e.com. 3594 IN AAAA 208f::8f wordy.examp1e.com. 3594 IN AAAA 2090::90 wordy.examp1e.com. 3594 IN AAAA 2091::91 wordy.examp1e.com. 3594 IN AAAA 2092::92 wordy.examp1e.com. 3594 IN AAAA 2093::93 wordy.examp1e.com. 3594 IN AAAA 2094::94 wordy.examp1e.com. 3594 IN AAAA 2095::95 wordy.examp1e.com. 3594 IN AAAA 2096::96 wordy.examp1e.com. 3594 IN AAAA 2097::97 wordy.examp1e.com. 3594 IN AAAA 2098::98 wordy.examp1e.com. 3594 IN AAAA 2099::99 wordy.examp1e.com. 3594 IN AAAA 209a::9a wordy.examp1e.com. 3594 IN AAAA 209b::9b wordy.examp1e.com. 3594 IN AAAA 209c::9c wordy.examp1e.com. 3594 IN AAAA 209d::9d wordy.examp1e.com. 3594 IN AAAA 209e::9e wordy.examp1e.com. 3594 IN AAAA 209f::9f wordy.examp1e.com. 3594 IN AAAA 20a0::a0 wordy.examp1e.com. 3594 IN AAAA 20a1::a1 wordy.examp1e.com. 3594 IN AAAA 20a2::a2 wordy.examp1e.com. 3594 IN AAAA 20a3::a3 wordy.examp1e.com. 3594 IN AAAA 20a4::a4 wordy.examp1e.com. 3594 IN AAAA 20a5::a5 wordy.examp1e.com. 3594 IN AAAA 20a6::a6 wordy.examp1e.com. 3594 IN AAAA 20a7::a7 wordy.examp1e.com. 3594 IN AAAA 20a8::a8 wordy.examp1e.com. 3594 IN AAAA 20a9::a9 wordy.examp1e.com. 3594 IN AAAA 20aa::aa wordy.examp1e.com. 3594 IN AAAA 20ab::ab wordy.examp1e.com. 3594 IN AAAA 20ac::ac wordy.examp1e.com. 3594 IN AAAA 20ad::ad wordy.examp1e.com. 3594 IN AAAA 20ae::ae wordy.examp1e.com. 3594 IN AAAA 20af::af wordy.examp1e.com. 3594 IN AAAA 20b0::b0 wordy.examp1e.com. 3594 IN AAAA 20b1::b1 wordy.examp1e.com. 3594 IN AAAA 20b2::b2 wordy.examp1e.com. 3594 IN AAAA 20b3::b3 wordy.examp1e.com. 3594 IN AAAA 20b4::b4 wordy.examp1e.com. 3594 IN AAAA 20b5::b5 wordy.examp1e.com. 3594 IN AAAA 20b6::b6 wordy.examp1e.com. 3594 IN AAAA 20b7::b7 wordy.examp1e.com. 3594 IN AAAA 20b8::b8 wordy.examp1e.com. 3594 IN AAAA 20b9::b9 wordy.examp1e.com. 3594 IN AAAA 20ba::ba wordy.examp1e.com. 3594 IN AAAA 20bb::bb ;; Query time: 0 msec ;; SERVER: 192.168.80.2#53(192.168.80.2) ;; WHEN: Tue May 26 17:24:43 EDT 2020 ;; MSG SIZE rcvd: 5282 _______________________________________________ Please visit 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