ocsc.com.tw - robtex.com

ocsc.com.tw

DNSSEC🔒 Signed (DS record present)
A172.104.101.177🇯🇵 AKAMAI-LINODE-AP172.104.96.0/19 Akamai Technologies
PTR172-104-101-177.ip.linodeusercontent.com
NSns11.twnic.net.tw ⭐
A2001:cd8:800::198🇹🇼 Seednet2001:cd8::/32 SeedNet/NCIC route object
A2404:0:10a0::3852🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6
NSns12.twnic.net.tw
A2001:454e:c010:101::234🇹🇼 TFN-NET2001:454e:c010::/48 Proxy-registered route object(Customer)
PTRns12.twnic.net.tw
A2001:b000:1e0:c000::13🇹🇼 HiNet2001:b000:100::/40
A60.199.218.234🇹🇼 TFN-NET60.199.218.0/24 Taiwan Fixed Network
PTRns12.twnic.net.tw
A104.199.237.109🇹🇼 Google104.199.224.0/20
PTR109.237.199.104.bc.googleusercontent.com
A211.20.231.13🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTR211-20-231-13.hinet-ip.hinet.net
MXsmtp.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A2607:f8b0:4023:c0b::1b🇺🇸 Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
A142.250.141.27🇺🇸 Google142.250.141.0/24
PTRdd-in-f27.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
TXTgoogle-site-verification=tARlbqaogil5K1ODFnb15YJv3GhRouX26fzPuG3F0Rg
TXTv=spf1 include:_spf.google.com ~all
SOAns11.twnic.net.twtech@twnic.net.tw serial=1772738888

com.tw

DNSSEC⚠️ Not signed
NSa.twnic.net.tw ⭐ ⚠️ Not in parent delegation
NSanytld.apnic.net ⚠️ Not in parent delegation
NSb.twnic.net.tw ⚠️ Not in parent delegation
NSc.twnic.net.tw ⚠️ Not in parent delegation
NSd.twnic.net.tw ⚠️ Not in parent delegation
NSe.twnic.net.tw ⚠️ Not in parent delegation
NSf.twnic.net.tw ⚠️ Not in parent delegation
NSg.twnic.net.tw ⚠️ Not in parent delegation
NSh.dns.tw ⚠️ Not in parent delegation
NSh.twnic.net.tw ⚠️ Not in parent delegation
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006334365
WOT: SAFE (60/100)
WOT: SAFE (58/100)

MX for

ocsc.com.tw

Subdomains

www.ocsc.com.tw

Same first word

ocsc.net
ocsc.de
ocsc.pro
ocsc.ru
ocsc.org.au
ocsc.com.au
ocsc.co.uk
ocsc.ie
ocsc.org
ocsc.gr
ocsc.go.th
ocsc.com.tw
ocsc.biz
ocsc.ch

Similar names

cosc.net
occs.net
scoc.org
csco.co
cosc.swiss
cocs.ru
csco.net
scco.de
csoc.kz
cocs.jp
ccso.ca
scco.biz
socc.ca
oscc.org.my
cosc.co.uk
oscc.ca
csoc.cn
scco.co.kr
oscc.be
csoc.com
ccso.de
cosc.ch
oscc.co.nz
scco.eu
scco.it
csco.org.cn
ccos.fr
csco.us
socc.org
csco.ir
socc.com.br
csoc.ru
scco.ca
cocs.de
oscc.ch
csco.jp
csco.com
socc.com.au
cosc.eu
oscc.jp
ccso.tv
ccos.me.uk
scoc.net
scco.fr
cocs.ch
ccso.co.uk
cocs.net
cosc.de
oscc.org.in
oscc.net
oscc.io
cocs.org
socc.network
cosc.com
scoc.ca
ccso.com.cn
csco.net.cn
scco.com
cosc.ru
socc.de
socc.edu
scoc.de
socc.com.tw
ccos.ru
csoc.jp
oscc.dk
ccso.org.uk
scco.nl
csoc.cl
scco.ac
socc.in
csco.com.hk
cocs.se
cosc.cn
csco.ac.cn
oscc.or.kr
oscc.gob.es
cosc.jp
scco.com.au
ccos.cloud
ccos.info
scoc.co.uk
occs.nl
ccos.net
cocs.co.uk
cocs.cn
ccos.org
cocs.no
ccso.net
oscc.no
scoc.eu
ccso.fr
oscc.de
socc.eu
csco.cloud
cocs.kr
cocs.com
socc.ru
ccos.de
oscc.co.uk
occs.org
cosc.esp.br
csoc.org.za
csco.ru
oscc.it
occs.de
csoc.pl
csoc.net
oscc.in
csco.com.au
csco.ug
socc.org.uk
csco.biz
cosc.k12.co.us
csco.co.jp
csoc.nl
oscc.com.au
occs.pl
csoc.eu
csco.ca
csoc.se
cosc.cz
ccso.org
csco.org
cosc.nl
csco.com.cn
socc.com
csco.my
oscc.kr
scco.net.au
ccos.ch
csco.in
cosc.co.kr
oscc.biz
csoc.de
ccso.com
occs.com
ccso.us
csoc.org
cosc.ie
occs.ie
ccos.nl
socc.ie
csco.org.uk
oscc.org.eg
csco.at
oscc.co.jp
ccos.com
socc.or.kr
socc.cn
cosc.pt
csco.de
csco.me
oscc.com
occs.biz
occs.com.au
cosc.com.cn
oscc.org
csco.fr
csco.eu
scco.in
socc.net
scco.net
scoc.com
csoc.co.uk
csoc.in
csco.nl

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns11.twnic.net.twns12.twnic.net.twdns.ocsc.com.twdns1.ocsc.com.twroot.ocsc.com.twMXsmtp.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comocsc.com.twA172.104.101.177114.30.35.110203.160.250.60203.160.250.67
○NSdns.ocsc.com.tw2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○NSdns1.ocsc.com.tw2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
●NSns11.twnic.net.tw2026-02-23 → 2026-03-24 · 3 obs
○ 2020-02-22 05:39:38
● 2026-02-23 20:42:38
● 2026-03-24 05:14:28
●NSns12.twnic.net.tw2026-02-23 → 2026-03-24 · 3 obs
○ 2020-02-22 05:39:38
● 2026-02-23 20:42:38
● 2026-03-24 05:14:28
○NSroot.ocsc.com.tw2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXalt1.aspmx.l.google.com2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXalt2.aspmx.l.google.com2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXalt3.aspmx.l.google.com2020-01-27 → 2020-02-22 · 5 obs
○ 2017-02-15 13:14:16
● 2020-01-27 13:15:36
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXalt4.aspmx.l.google.com2020-01-27 → 2020-02-22 · 5 obs
○ 2017-02-15 13:14:16
● 2020-01-27 13:15:36
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXaspmx.l.google.com2015-08-01 → 2020-02-22 · 4 obs
● 2015-08-01 10:53:12
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○MXaspmx2.googlemail.com2015-08-01 → 2017-02-15 · 4 obs
● 2015-08-01 10:53:12
● 2017-02-15 13:14:16
○ 2020-01-27 13:15:36
○ 2026-03-24 05:14:28
○MXaspmx3.googlemail.com2015-08-01 → 2017-02-15 · 4 obs
● 2015-08-01 10:53:12
● 2017-02-15 13:14:16
○ 2020-01-27 13:15:36
○ 2026-03-24 05:14:28
○MXaspmx4.googlemail.com2015-08-01 → 2017-02-15 · 4 obs
● 2015-08-01 10:53:12
● 2017-02-15 13:14:16
○ 2020-01-27 13:15:36
○ 2026-03-24 05:14:28
○MXaspmx5.googlemail.com2015-08-01 → 2017-02-15 · 4 obs
● 2015-08-01 10:53:12
● 2017-02-15 13:14:16
○ 2020-01-27 13:15:36
○ 2026-03-24 05:14:28
○MXocsc.com.tw2026-02-23 → 2026-02-23 · 3 obs
○ 2020-02-22 05:39:38
● 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
●MXsmtp.google.com2026-03-24 → 2026-03-24 · 2 obs
○ 2026-02-23 20:42:38
● 2026-03-24 05:14:28
○A114.30.35.1102015-11-25 → 2017-02-15 · 5 obs
○ 2015-08-01 10:53:12
● 2015-11-25 17:17:40
● 2017-02-15 13:14:16
○ 2020-01-27 13:15:36
○ 2026-03-24 05:14:28
●A172.104.101.1772026-02-23 → 2026-03-24 · 3 obs
○ 2020-02-22 05:39:38
● 2026-02-23 20:42:38
● 2026-03-24 05:14:28
○A203.160.250.602020-01-27 → 2020-02-22 · 5 obs
○ 2017-02-15 13:14:16
● 2020-01-27 13:15:36
● 2020-02-22 05:39:38
○ 2026-02-23 20:42:38
○ 2026-03-24 05:14:28
○A203.160.250.672015-08-01 → 2015-08-01 · 3 obs
● 2015-08-01 10:53:12
○ 2015-11-25 17:17:40
○ 2026-03-24 05:14:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
ocsc.com.twns12.twnic.net.tw, ns11.twnic.net.tw-

✅ Authoritative Response

Server:210.201.138.52

NS records: ns12.twnic.net.tw, ns11.twnic.net.tw

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2567ms | Queries: -

📄 Records

TypeCountSample Data
A1172.104.101.177
NS2ns12.twnic.net.tw, ns11.twnic.net.tw
MX1smtp.google.com (pri: 5)
TXT2google-site-verification=tARlbqaogil5K1O, v=spf1 include:_spf.google.com ~all
SOA1ns11.twnic.net.tw tech.twnic.net.tw

Analysis

Hierarchy

ocsc.com.tw is parent of www.ocsc.com.tw.

Mail Server Role

ocsc.com.tw serves as a mail server for ocsc.com.tw.

IP Addresses

ocsc.com.tw points to a single IP: 172.104.101.177.

Other host names, for instance isen.tw, mail.choyu-olympia.com.tw, mail.xsc.com.tw, www.merryspa.com.tw and gishpher.com share IP numbers with ocsc.com.tw.

Name Servers

ocsc.com.tw's delegation is to two name servers ns11.twnic.net.tw and ns12.twnic.net.tw.

ocsc.com.tw shares the same name server configuration as other domains, such as otc.com.tw, chilin.org.tw, cgccorp.com.tw, csbc.com.tw and ingot.com.tw.

Five IP numbers for a host name:

ns12.twnic.net.tw points to: 2001:454e:c010:101::234, 2001:b000:1e0:c000::13, 60.199.218.234, 104.199.237.109 and 211.20.231.13.

Two IP numbers for a host name:

ns11.twnic.net.tw points to: 2001:cd8:800::198 and 2404:0:10a0::3852.

Mail Servers

ocsc.com.tw is served by a single mail server, smtp.google.com.

ocsc.com.tw uses the same mail server setup as other domains such as purepara.com, play77.com, tmec.it, krutho.com and kidsonline.ca.

ocsc.com.tw shares some mail servers with other domains, including ytgjg.com, adamjohnston.ca, kbads.com, chinesechamber.org.my and rlestates.com.

these mail servers are often used with 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.

smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.