oca.org.tw - robtex.com

oca.org.tw

DNSSEC⚠️ Not signed
A172.104.175.129🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies
PTRli1766-129.members.linode.com
NSns1.linode.com ⭐
A2600:14c0:6::2🇺🇸 Akamai2600:14c0:6::/48 Technologies
PTRc1-2.akashield.net
A92.123.94.2🇳🇱 Akamai92.123.94.0/24 Technologies
PTRc1-2.akashield.net
NSns2.linode.com
A2600:14c0:6::3🇺🇸 Akamai2600:14c0:6::/48 Technologies
PTRc1-3.akashield.net
A92.123.94.3🇳🇱 Akamai92.123.94.0/24 Technologies
PTRc1-3.akashield.net
NSns3.linode.com
A2600:14c0:7::3🇺🇸 Akamai2600:14c0:7::/48 Technologies
PTRc2-3.akashield.net
A92.123.95.3🇳🇱 Akamai92.123.95.0/24 Technologies
PTRc2-3.akashield.net
NSns4.linode.com
A2600:14c0:7::4🇺🇸 Akamai2600:14c0:7::/48 Technologies
PTRc2-4.akashield.net
A92.123.95.4🇳🇱 Akamai92.123.95.0/24 Technologies
PTRc2-4.akashield.net
NSns5.linode.com ⚠️ Not in parent delegation
A2600:14c0:7::2🇺🇸 Akamai2600:14c0:7::/48 Technologies
PTRc2-2.akashield.net
A92.123.95.2🇳🇱 Akamai92.123.95.0/24 Technologies
PTRc2-2.akashield.net
MXmail.oca.org.tw ⭐
A172.104.175.129🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies
PTRli1766-129.members.linode.com
TXTgoogle-site-verification=AofXEno5uwhI0feOzy2_kPJvRPCrK4RXJmeKI0z8FEM
SOAns1.linode.comservice@cglandmark.com 2019-10-30 #93

org.tw

DNSSEC🔒 Signed (DS record present)
NSa.twnic.net.tw ⭐
NSanytld.apnic.net
NSb.twnic.net.tw
NSc.twnic.net.tw
NSd.twnic.net.tw
NSe.twnic.net.tw
NSf.twnic.net.tw
NSg.twnic.net.tw
NSh.dns.tw
NSh.twnic.net.tw
SOAa.twnic.net.twsnw@twnic.net.tw serial=1999640667
WOT: SAFE (78/100)

Subdomains

mail.oca.org.tw

Same first word

oca.training
oca.org.uk
oca.ru
oca.fr
oca.de
oca.net.au
oca.com.my
oca.co.jp
oca.solutions
oca.com.ar
oca.dk
oca.org.nz
oca.at
oca.gr
oca.do
oca.lu
oca.life
oca.pl
oca.expert
oca.com.ua
oca.company
oca.gov.tw
oca.co
oca.md
oca.ac.jp
oca.com.uy
oca.university
oca.ci
oca.mx
oca.com.ec
oca.om
oca.ch
oca.in
oca.org.au
oca.ac.uk
oca.ca
oca.nl
oca.su
oca.lt
oca.org
oca.ro
oca.pf
oca.org.tw
oca.eu
oca.co.uk
oca.re
oca.uy
oca.gr.jp
oca.tw
oca.dz
oca.church
oca.info
oca.nu
oca.be
oca.asia
oca.kasserver.com
oca.cz
oca.biz
oca.com
oca.hu
oca.kz
oca.engineering
oca.academy
oca.no
oca.co.in
oca.org.br
oca.guru
oca.es
oca.cn
oca.me
oca.com.mx
oca.foundation
oca.red
oca.education

Similar names

oac.gov.tw
aoc.com.cn
aoc.archi
aco.ge
oac.co.nz
coa.mobi
cao.center
aoc.ch
aoc.asia
oac.rs
aoc.org.uk
cao.space
aco.com.hr
cao.bi
aoc.eu
aco.fm
oac.it
oac.com.cn
aoc.com.au
cao.gov
coa.edu
oac.cl
coa.us
oac.co
aoc.in
aco.com.es
aco.uz
coa.gov.in
cao.la
aoc.co.za
aoc.dk
aoc.asso.fr
cao.org
aoc.com
aco.com.sv
aco.ac
aoc.com.az
coa.uk
aoc.ru
aco.cz
aco.be
aco.sc
aco.gr.jp
oac.gov.by
aco.tn
aco.com.ua
oac.bz
cao.io
oac.us
cao.biz
oac.com.sg
coa.gg
oac.su
aco.co
aco.email
aoc.net
cao.sg
coa.gov.hk
cao.pl
coa.us.com
coa.st
coa.co.uk
aco.nu
aco.gr
aco.tv
cao.pt
aco.biz
oac.ca
aco.lu
aco.sd
oac.se
aco.is
aco.cr
aco.in.net
aoc.tel
coa.dk
oac.or.jp
coa.com
oac.org
aco.id
aco.lt
coa.co
aco.rs
aoc.nl
aco.ee
aco.eu
aco.com.au
aoc.su
aco.hu
aco.co.jp
oac.biz
aco.si
coa.gov.ph
aco.org
aco.mx
aoc.be
oac.gr
aco.com.uy
aco.com.pe
cao.go.jp
aco.careers
aco.digital
oac.no
aoc.net.au
oac.edu.au
aco.at
aco.fo
aoc.co.uk
aoc.se
aoc.ro
aco.ch
aco.jobs
cao.net
aoc.no

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.linode.comns2.linode.comns3.linode.comns4.linode.comns5.linode.comrealwebMXmail.oca.org.twA172.104.175.129
●NSns1.linode.com2018-11-30 → 2026-04-12 · 3 obs
○ 2017-01-31 10:16:50
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50
●NSns2.linode.com2018-11-30 → 2026-04-12 · 3 obs
○ 2017-01-31 10:16:50
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50
●NSns3.linode.com2018-11-30 → 2026-04-12 · 3 obs
○ 2017-01-31 10:16:50
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50
●NSns4.linode.com2018-11-30 → 2026-04-12 · 3 obs
○ 2017-01-31 10:16:50
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50
●NSns5.linode.com2018-11-30 → 2026-04-12 · 3 obs
○ 2017-01-31 10:16:50
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50
○NSrealweb2015-07-15 → 2017-01-31 · 4 obs
● 2015-07-15 06:57:18
● 2017-01-31 10:16:50
○ 2018-11-30 18:17:48
○ 2026-04-12 18:40:50
●MXmail.oca.org.tw2015-07-15 → 2026-04-12 · 2 obs
● 2015-07-15 06:57:18
● 2026-04-12 18:40:50
●A172.104.175.1292018-11-30 → 2026-04-12 · 2 obs
● 2018-11-30 18:17:48
● 2026-04-12 18:40:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
oca.org.twns3.linode.com, ns1.linode.com, ns2.linode.com, ns4.linode.com-

✅ Authoritative Response

Server:92.123.94.2

NS records: ns3.linode.com, ns1.linode.com, ns2.linode.com, ns4.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oca.org.tw (unsigned zone)

⏱️ Timing

Total: 977ms | Queries: -

📄 Records

TypeCountSample Data
A1172.104.175.129
NS5ns1.linode.com, ns4.linode.com...
MX1mail.OCA.ORG.TW (pri: 10)
TXT1google-site-verification=AofXEno5uwhI0fe
SOA1ns1.linode.com service.cglandmark.com

Analysis

Hierarchy

The parent of mail.oca.org.tw is oca.org.tw.

IP Addresses

oca.org.tw points to a single IP address: 172.104.175.129.

Other host names such as mail.oca.org.tw, cglandmark.net, mail.cglandmark.net, taichungoca.org.tw and capitalmission.net share IPs with oca.org.tw.

Name Servers

oca.org.tw is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

oca.org.tw at least partially shares name servers with other domains, for example ozproxy.com.au, 100.234.123.209.in-addr.arpa, vino100stores.com, subpar.se and technomed.co.uk.

Host names with two IP numbers

Each host name points to two IP numbers:

ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2

ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3

ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3

ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4

ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2

Mail Servers

The mail.oca.org.tw mail server handles oca.org.tw.

mail.oca.org.tw points to a single IP number: 172.104.175.129.