CF1759136868225-tsm20250927195623

WWW.RTSAK.COM - cstl.com.hk

Search for IP or hostnames:

cstl.com.hk checked at 2025-09-29T09:07:48.210Z 285ms 131/131/131 100% R:16

cstl.com.hk

MXcstl.com.hk
A18.166.184.9🇭🇰 Amazon
PTRec2-18-166-184-9.ap-east-1.compute.amazonaws.com
MXaspmx.l.google.com
A2607:f8b0:4004:c06::1a 🇺🇸 Google
PTRbg-in-f26.1e100.net
A172.253.115.26🇺🇸 Google
PTRbg-in-f26.1e100.net
NSdns1.domain.net.hk
A103.13.50.60🇭🇰 SGC-CAL-AS
PTRdns1.domain.net.hk
PTRdns4.domain.net.hk
NSdns2.domain.net.hk
A103.38.161.236🇭🇰 SGC-HK
PTRdns2.domain.net.hk
PTRdns3.domain.net.hk
NSdns3.domain.net.hk
A103.38.161.236🇭🇰 SGC-HK
PTRdns2.domain.net.hk
PTRdns3.domain.net.hk
NSdns4.domain.net.hk
A103.13.50.60🇭🇰 SGC-CAL-AS
PTRdns1.domain.net.hk
PTRdns4.domain.net.hk
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4025:402::1b 🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google
PTRrb-in-f26.1e100.net
MXalt4.aspmx.l.google.com
A2a00:1450:4013:c1e::1a 🇳🇱 Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27🇺🇸 Google
PTRyugrqzs-in-f27.1e100.net
A18.166.184.9🇭🇰 Amazon
PTRec2-18-166-184-9.ap-east-1.compute.amazonaws.com

com.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

MX for

Starts with same word

Starts similarily

AI analysis

cstl.com.hk serves as the mail server for cstl.com.hk.

aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com are commonly used as a mail server together with cstl.com.hk.

cstl.com.hk points to an IP address: 18.166.184.9.

Other host names, for instance ec2-18-166-184-9.ap-east-1.compute.amazonaws.com, share IP numbers with cstl.com.hk.

cstl.com.hk delegates to four name servers: dns1.domain.net.hk, dns2.domain.net.hk, dns3.domain.net.hk and dns4.domain.net.hk.

cstl.com.hk at least partially shares name servers with other domains, for instance freeforum.hk, pathfinders.com.hk, eqonline.com.cn, hkioc.com.hk and moorestephens.hk.

Host names with one IP number:

dns1.domain.net.hk points to 103.13.50.60

dns2.domain.net.hk points to 103.38.161.236

dns3.domain.net.hk points to 103.38.161.236

dns4.domain.net.hk points to 103.13.50.60

Host names that map to 103.13.50.60: dns1.domain.net.hk and dns4.domain.net.hk

Host names that map to 103.38.161.236: dns2.domain.net.hk and dns3.domain.net.hk

Six mail servers handle cstl.com.hk: cstl.com.hk, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cstl.com.hk shares at least partially some mail servers with other domains, for instance workpath.com, amccasting.com, gw.edu, tortoriciconsulting.com and synnous.com.

Mail servers often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx2.l.google.com and aspmx3.l.google.com.

Host names with two IPs:

aspmx.l.google.com points to 2607:f8b0:4004:c06::1a and 172.253.115.26

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27

alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.26

alt4.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27

Host with one IP:

cstl.com.hk points to 18.166.184.9

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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EinoneE CF johedugfp 2025-09-29