CF1762861234959-tsm20251109205412

IPLIST.NET - optum.hk

Search for IP or hostnames:

optum.hk checked at 2025-11-11T11:40:34.942Z 790ms 67/67/67 100% R:17 allDone:true timedOut:false

optum.hk

NSdns1.cscdns.net
A2610:a1:1022::100 🇺🇸 Neustar
A156.154.130.100🇺🇸 Neustar
NSdns2.cscdns.net
A2610:a1:1023::100 🇺🇸 Neustar
PTRns2.arcemus.com
PTRnusdns06.digitalarchives.com
PTRns3.domainnetwork.com
PTRns3.euro909.com
PTRindom80.indomco.hk
PTRns2.ascio.net
PTRns4.ascio.net
PTRdns2.cscdns.net
PTRpdns2.cscdns.net
PTRindom20.indomco.net
PTRns2.netnames.net
PTRns4.netnames.net
PTRns6.netnames.net
PTRns8.netnames.net
A156.154.131.100🇺🇸 Neustar
PTRns2.arcemus.com
PTRnusdns06.digitalarchives.com
PTRns3.domainnetwork.com
PTRns3.euro909.com
PTRindom80.indomco.hk
PTRns2.ascio.net
PTRns4.ascio.net
PTRdns2.cscdns.net
PTRpdns2.cscdns.net
PTRindom20.indomco.net
PTRns2.netnames.net
PTRns4.netnames.net
PTRns6.netnames.net
PTRns8.netnames.net
MXfilter1.optum-2.mailguard.com.au
MXfilter2.optum-2.mailguard.com.au
MXfilter3.optum-2.mailguard.com.au
A165.160.13.20🇺🇸 CSC-DNS
A165.160.15.20🇺🇸 CSC-DNS

hk

NSc.hkirc.net.hk
NSd.hkirc.net.hk
NSm.hkirc.net.hk
NSt.hkirc.net.hk
NSu.hkirc.net.hk
NSv.hkirc.net.hk
NSx.hkirc.net.hk
NSy.hkirc.net.hk
NSz.hkirc.net.hk

Starts with same word

Starts similarily

AI analysis

optum.hk resolves to two IP numbers: 165.160.13.20 and 165.160.15.20.

other host names including cadillaceurope.it, mail.quayside.sg, walmartvisagiftcard.com, mastercaredsg.co.uk and konaislandseltzer.com share IP numbers with optum.hk.

optum.hk is delegated to two name servers dns1.cscdns.net and dns2.cscdns.net.

optum.hk shares the same name server setup as other domains, for instance zomberryisland.com, wiiware.net, recmixusa.com, melochemonnexcanada.com and cninsurance.ie.

Host names with two IP numbers:

The host name dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100; the host name dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.

optum.hk is handled by three mail servers: filter1.optum-2.mailguard.com.au, filter2.optum-2.mailguard.com.au and filter3.optum-2.mailguard.com.au.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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