Underscores in host names

Steven Champeon schampeo at hesketh.com
Wed May 18 04:11:14 UTC 2005


on Wed, May 18, 2005 at 11:08:03AM +1000, Mark Andrews wrote:
> 	RFC 952 and RFC 1123 describe what is currently legal
> 	in hostnames.
> 
> 	Underscore is NOT a legal character in a hostname.

So, these are *all* non-compliant? Perhaps someone should tell them that.
Certainly would have been nice not to get spammed by them, or to have an
even easier reason to reject same.

003_150.pool-clientes.gilat.com.pe
131_202.btc-net.bg
153_199_103_66-wifi_hotspots.eng.telusmobility.com
154_ras_01.dial-ip.plugon.com.br
194_30_119_112_maca0001.lpp_za_bi.ips.sarenet.es
200.126.99.247.block7_dsl.surnet.cl
200_13_215_210.colomsat.net.co
200_63_222_138.uio.satnet.net
203_221_178_213.easynet.net.au
208_218_35_14.huntsville6.56k.cvalley.net
208_75.compnet.com.pl
212_218.bytom.compnet.com.pl
212_81_214_10_peni0000.gignu_adsl_ma_ma.ips.sarenet.es
229.usuarios_dhcp-195-219-18.gemytel.net
63_224_210_245.spkn.uswest.net
64_192_75_146.wcg.net
82_119_148_246.stv.ru
Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr
adm_node207.ral.esu3.k12.ne.us
adsl_basico_1196-170.etb.net.co
adsl_lav178_218.datastream.com.mt
adsl_pool_20_standard93137-133.etb.net.co
adsl_pool_22_standard93139-190.etb.net.co
adsl_standard_2450-46.etb.net.co
c_178_237.tv-naruto.ne.jp
clientes_corpor_7549-2.etb.net.co
clientes_corporativos69100-82.etb.net.co
corporativo_16780-201.pool.etb.net.co.80.167.65.in-addr.arpa
customer125_200.grm.net
d7_annex_palu_a.lac.telkom.net.id
dean_rm135_2xp.business.colostate.edu
dhcp-210_169_160_191.ttn.ne.jp
dialup_67-36-145-125.ndemand.com
dsl_61_161_30_212.turbonet.com
extremo_pool_11934-63.etb.net.co
extremo_pool_11943-164.etb.net.co
h107_17.u.datacomsa.pl
hfc3-9_32.melitaonline.net
host-195_87_69_26-koc.net
host-200-75-132-202.cliente_202_net-uno.net
host85_14_64_224.galileusz.3s.pl
host_169_253.compower.pl
host_88-hra.susice-net.cz
igld-83_130_117_32.inter.net.il
igld-83_130_130_243.inter.net.il
igld-83_130_141_197.inter.net.il
ip_167_68.omni-tech.net
ip_199.directservices.com
maroochydore_client185.hypermax.net.au
neterra139_250.neterra.net
nev_dial_11.stv.ru
p165_223.knu.ac.kr
pc_163_209.smrw.lodz.pl
pool_245224-151.etb.net.co
potter_313.caasdphb.brown.edu
price3_highspeed-109.preciscom.com
ras56_196.ppppun.vsnl.net.in
red_200.32.64_customer_7.static.impsat.net.ve
red_200.41.118_cust_17.static.impsat.net.ve
sistemas__s21278-010__slv-son-001.man.newskies.net
slerpool4_69121-134.etb.net.co
slerpool5_69122-26.007mundo.com
slerpool8_93159-211.etb.net.co
sp.200_155_13_3.8x.com.br
sp.200_155_9_57.datacenter1.com.br
sp_200_219_192_94.datacenter1.com.br
st00_162.dorm.depaul.edu
sun_b035.doggy.com.au
tnt_norman_int493149-194.etb.net.co
tnt_pool_11979-199.etb.net.co
tntcuisdnixd_169106-123.007mundo.com
tntmuzuixd_169105-36.etb.net.co
tv_cable_bmga7546-72.etb.net.co
ubr2-5_38.onvol.net
user_155_208.kutztown.edu
wks_177_10.dom_bci_prod.cl
ws_541a.ff.uni-lj.si

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