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DNS Database information for usaco.org
Date
IPv4
IPv6
MX and NS
Latest
104.21.78.228
172.67.137.226
2606:4700:3030::ac43:89e2
2606:4700:3035::6815:4ee4
alt1.gmr-smtp-in.l.google.com.
alt2.gmr-smtp-in.l.google.com.
alt3.gmr-smtp-in.l.google.com.
alt4.gmr-smtp-in.l.google.com.
gmr-smtp-in.l.google.com.
karl.ns.cloudflare.com.
leia.ns.cloudflare.com.
2021-11-09
130.127.204.224
mx: alt1.gmr-smtp-in.l.google.com.
mx: alt2.gmr-smtp-in.l.google.com.
mx: alt3.gmr-smtp-in.l.google.com.
mx: alt4.gmr-smtp-in.l.google.com.
mx: gmr-smtp-in.l.google.com.
ns: karl.ns.cloudflare.com.
ns: leia.ns.cloudflare.com.
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