CF1759028120106-tsm20250927195623

WWW.RTSAK.COM - holtek.com

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holtek.com checked at 2025-09-28T02:55:20.083Z 184ms 123/123/123 100% R:11

holtek.com

NSchuck.ns.cloudflare.com
A2606:4700:58::adf5:3b56 🇺🇸 Cloudflare
PTRchuck.ns.cloudflare.com
A2803:f800:50::6ca2:c156 🇨🇷 Cloudflare
PTRchuck.ns.cloudflare.com
A2a06:98c1:50::ac40:2156 🇺🇸 Cloudflare
PTRchuck.ns.cloudflare.com
A108.162.193.86🇺🇸 Cloudflare
PTRchuck.ns.cloudflare.com
A172.64.33.86🇺🇸 Cloudflare
PTRchuck.ns.cloudflare.com
A173.245.59.86🇺🇸 Cloudflare
PTRchuck.ns.cloudflare.com
NSdiva.ns.cloudflare.com
A2606:4700:50::adf5:3a61 🇺🇸 Cloudflare
PTRdiva.ns.cloudflare.com
A2803:f800:50::6ca2:c061 🇨🇷 Cloudflare
PTRdiva.ns.cloudflare.com
A2a06:98c1:50::ac40:2061 🇺🇸 Cloudflare
PTRdiva.ns.cloudflare.com
A108.162.192.97🇺🇸 Cloudflare
PTRdiva.ns.cloudflare.com
A172.64.32.97🇺🇸 Cloudflare
PTRdiva.ns.cloudflare.com
A173.245.58.97🇺🇸 Cloudflare
PTRdiva.ns.cloudflare.com
MXholtek-com.mail.protection.outlook.com
A2a01:111:f403:cc09:: 🇸🇬 Microsoft
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc09::1 🇸🇬 Microsoft
A2a01:111:f403:cc1a::8 🇯🇵 Microsoft
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4 🇯🇵 Microsoft
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117🇯🇵 Microsoft
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0🇸🇬 Microsoft
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.137.2🇸🇬 Microsoft
A52.101.157.80🇺🇸 Microsoft
PTRmail-os8pr02cu00100.inbound.protection.outlook.com

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rank #338494 globally
rank #181014 in the tld

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AI analysis

The parent of smtp.holtek.com is holtek.com.

holtek.com is delegated to two name servers: chuck.ns.cloudflare.com and diva.ns.cloudflare.com.

holtek.com uses the same name server setup as other domains, for instance bibilsen.com, carrieherndon.com, iamphilgdriven.com, sleeep.io and capezioeurope.com.

holtek.com shares name servers with other domains at least partially, for instance hasselbit.com, orewin.net.au, topetiquetas.com, classic-recreations.com and btcmanager.com.

These name servers are often used with dexter.ns.cloudflare.com, lana.ns.cloudflare.com, heather.ns.cloudflare.com, miles.ns.cloudflare.com and alice.ns.cloudflare.com.

Host names with six IP numbers: chuck.ns.cloudflare.com points to 2606:4700:58::adf5:3b56, 2803:f800:50::6ca2:c156, 2a06:98c1:50::ac40:2156, 108.162.193.86, 172.64.33.86 and 173.245.59.86; diva.ns.cloudflare.com points to 2606:4700:50::adf5:3a61, 2803:f800:50::6ca2:c061, 2a06:98c1:50::ac40:2061, 108.162.192.97, 172.64.32.97 and 173.245.58.97.

The mail server for holtek.com is holtek-com.mail.protection.outlook.com.

Host holtek-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc09::1, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0, 52.101.137.2 and 52.101.157.80.

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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nsWQTNh CF johedugfp 2025-09-28