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pinboard.com is a domain controlled by two nameservers at pinboard.com themselves. They are on different IP networks. Incoming mail for pinboard.com is handled by four mailservers. All of them are on the same IP network. ns.pinboard.com, dns2.pinboard.com, falk.pinboard.com, dns1.pinboard.com, mail.pinboard.com and at least eight other hosts are subdomains to this hostname.

pinboard.com
ns-soa records
dns1.pinboard.com
+ 213.239.197.143 213.239.192.0/18 AS24940 falk.pinboard.com
+ --- falk.pinboard.com
ns records
dns1.pinboard.com
+ 213.239.197.143 213.239.192.0/18 AS24940 falk.pinboard.com
+ --- falk.pinboard.com
dns2.pinboard.com
+ 188.40.111.120 188.40.0.0/16 AS24940  
+ ---  
mx records
pinboard.com.s200a1.psmtp.com
+ 207.126.147.10 207.126.147.0/24 AS26910 s200a1.psmtp.com
+ --- s200a1.psmtp.com
pinboard.com.s200a2.psmtp.com
+ 207.126.147.12 207.126.147.0/24 AS26910 s200a2.psmtp.com
+ --- s200a2.psmtp.com
pinboard.com.s200b1.psmtp.com
+ 207.126.147.13 207.126.147.0/24 AS26910 s200b1.psmtp.com
+ --- s200b1.psmtp.com
pinboard.com.s200b2.psmtp.com
+ 207.126.147.14 207.126.147.0/24 AS26910 s200b2.psmtp.com
+ --- s200b2.psmtp.com

com
ns-soa records
a.gtld-servers.net
+ 192.5.6.30 192.5.6.0/24 AS36625 -
+ --- -
ns records
a.gtld-servers.net
+ 192.5.6.30 192.5.6.0/24 AS36625 -
+ --- -
b.gtld-servers.net
+ 192.33.14.30 192.33.14.0/24 AS26415 -
c.gtld-servers.net
+ 192.26.92.30 192.26.92.0/24 AS36625 -
d.gtld-servers.net
+ 192.31.80.30 192.31.80.0/24 AS36617 -
e.gtld-servers.net
+ 192.12.94.30 192.12.94.0/24 AS36629 -
f.gtld-servers.net
+ 192.35.51.30 192.35.51.0/24 AS36620 -
g.gtld-servers.net
+ 192.42.93.30 192.42.93.0/24 AS36624 -
h.gtld-servers.net
+ 192.54.112.30 192.54.112.0/24 AS36623 -
i.gtld-servers.net
+ 192.43.172.30 192.43.172.0/24 AS36625 -
j.gtld-servers.net
+ 192.48.79.30 192.48.79.0/24 AS36626 -
k.gtld-servers.net
+ 192.52.178.30 192.52.178.0/24 AS36622 -
l.gtld-servers.net
+ 192.41.162.30 192.41.162.0/24 AS36628 -
m.gtld-servers.net
+ 192.55.83.30 192.55.83.0/24 AS36618 -
nameservers used by this domain
dns1.pinboard.com
dns2.pinboard.com
ip numbers of nameservers
188.40.111.120
213.239.197.143
reverse names of the nameservers
falk.pinboard.com
other names of the nameservers
falk.pinboard.com
domains sharing nameservers under another name
223.11.194.in-addr.arpa
basoft.com
pinboard.basoft.ch
pinboard.raiffeisen.ch
sysstats.com
mailservers used by this domain
pinboard.com.s200a1.psmtp.com
pinboard.com.s200a2.psmtp.com
pinboard.com.s200b1.psmtp.com
pinboard.com.s200b2.psmtp.com
ip numbers of mailservers
207.126.147.10
207.126.147.12
207.126.147.13
207.126.147.14
reverse names of the mailservers
s200a1.psmtp.com
s200a2.psmtp.com
s200b1.psmtp.com
s200b2.psmtp.com
other names of the mailservers
*.s200a1.psmtp.com
*.s200a2.psmtp.com
allenovery.com.s200a1.psmtp.com
allenovery.com.s200a2.psmtp.com
allenovery.com.s200b1.psmtp.com
allenovery.com.s200b2.psmtp.com
armor.fr.s200a1.psmtp.com
armor.fr.s200a2.psmtp.com
armor.fr.s200b1.psmtp.com
armor.fr.s200b2.psmtp.com
automationpartnership.com.s200a1.psmtp.com
automationpartnership.com.s200a2.psmtp.com
bango.net.s200a1.psmtp.com
bango.net.s200a2.psmtp.com
bango.net.s200b1.psmtp.com
bango.net.s200b2.psmtp.com
cnc.fr.s200a1.psmtp.com
cnc.fr.s200a2.psmtp.com
cnc.fr.s200b1.psmtp.com
cnc.fr.s200b2.psmtp.com
co.uk.s200a1.psmtp.com
co.uk.s200a2.psmtp.com
co.uk.s200b1.psmtp.com
co.uk.s200b2.psmtp.com
com.s200a1.psmtp.com
com.s200a2.psmtp.com
com.s200b1.psmtp.com
com.s200b2.psmtp.com
elsevier.co.uk.s200a1.psmtp.com
elsevier.co.uk.s200a2.psmtp.com
elsevier.co.uk.s200b1.psmtp.com
elsevier.co.uk.s200b2.psmtp.com
elsevier.com.s200a1.psmtp.com
elsevier.com.s200a2.psmtp.com
elsevier.com.s200b1.psmtp.com
elsevier.com.s200b2.psmtp.com
environment-wales.org.s200a1.psmtp.com
environment-wales.org.s200a2.psmtp.com
environment-wales.org.s200b1.psmtp.com
environment-wales.org.s200b2.psmtp.com
fico.nl.s200a1.psmtp.com
fico.nl.s200a2.psmtp.com
fico.nl.s200b1.psmtp.com
fico.nl.s200b2.psmtp.com
firstserv.co.uk.s200a1.psmtp.com
firstserv.co.uk.s200a2.psmtp.com
firstserv.co.uk.s200b1.psmtp.com
firstserv.co.uk.s200b2.psmtp.com
firstserv.com.s200a1.psmtp.com
firstserv.com.s200a2.psmtp.com
firstserv.com.s200b1.psmtp.com
firstserv.com.s200b2.psmtp.com
fr.s200a1.psmtp.com
fr.s200a2.psmtp.com
fr.s200b1.psmtp.com
fr.s200b2.psmtp.com
icap.com.s200a1.psmtp.com
icap.com.s200a2.psmtp.com
icap.com.s200b1.psmtp.com
icap.com.s200b2.psmtp.com
infinetcomm.com.s200a1.psmtp.com
infinetcomm.com.s200a2.psmtp.com
infinetcomm.com.s200b1.psmtp.com
infinetcomm.com.s200b2.psmtp.com
intelliquest.com.s200a1.psmtp.com
intelliquest.com.s200a2.psmtp.com
intelliquest.com.s200b1.psmtp.com
intelliquest.com.s200b2.psmtp.com
lafarge-na.com.s200a1.psmtp.com
lafarge-na.com.s200a2.psmtp.com
lafarge-na.com.s200b1.psmtp.com
lafarge-na.com.s200b2.psmtp.com
mdconsult.com.s200a1.psmtp.com
mdconsult.com.s200a2.psmtp.com
mdconsult.com.s200b1.psmtp.com
mdconsult.com.s200b2.psmtp.com
net.s200a1.psmtp.com
net.s200a2.psmtp.com
net.s200b1.psmtp.com
net.s200b2.psmtp.com
nl.s200a1.psmtp.com
nl.s200a2.psmtp.com
nl.s200b1.psmtp.com
nl.s200b2.psmtp.com
org.s200a1.psmtp.com
org.s200a2.psmtp.com
org.s200b1.psmtp.com
org.s200b2.psmtp.com
prodeo.com.s200a1.psmtp.com
prodeo.com.s200a2.psmtp.com
prodeo.com.s200b1.psmtp.com
prodeo.com.s200b2.psmtp.com
purple-paw.com.s200a1.psmtp.com
purple-paw.com.s200a2.psmtp.com
purple-paw.com.s200b1.psmtp.com
purple-paw.com.s200b2.psmtp.com
s200a1.psmtp.com
s200a2.psmtp.com
s200b1.psmtp.com
s200b2.psmtp.com
skl.de.s8b1.psmtp.com
skl.de.s8b2.psmtp.com
stena.com.s200a1.psmtp.com
stena.com.s200a2.psmtp.com
stena.com.s200b1.psmtp.com
stena.com.s200b2.psmtp.com
telecity.net.s200a1.psmtp.com
telecity.net.s200a2.psmtp.com
telecity.net.s200b1.psmtp.com
telecity.net.s200b2.psmtp.com
telecityredbus.net.s200a1.psmtp.com
telecityredbus.net.s200a2.psmtp.com
telecityredbus.net.s200b1.psmtp.com
telecityredbus.net.s200b2.psmtp.com
uk.s200a1.psmtp.com
uk.s200a2.psmtp.com
uk.s200b1.psmtp.com
uk.s200b2.psmtp.com
yr.com.s200a1.psmtp.com
yr.com.s200a2.psmtp.com
yr.com.s200b1.psmtp.com
yr.com.s200b2.psmtp.com
domains sharing mailservers under another name
firstserv.com
infinetcomm.com
lafarge-na.com
prodeo.com
weapon7.com
subdomains
dns1.pinboard.com
dns2.pinboard.com
falk.pinboard.com
mail.pinboard.com
moose.pinboard.com
mouse.pinboard.com
ns.pinboard.com
sparrow-247.pinboard.com
sparrow-250.pinboard.com
sparrow-dns.pinboard.com
sparrow-smtp.pinboard.com
support.pinboard.com
teufen.pinboard.com