idtc.com.tw - robtex.com

idtc.com.tw

DNSSEC⚠️ Not signed
A123.204.228.84🇹🇼 Seednet123.204.228.0/24 SeedNet
PTR123-204-228-84.adsl.dynamic.seed.net.tw
NSlocalhost@ ⭐
NSns1.cyberdns.tw
A34.80.212.212🇹🇼 Google34.80.208.0/20
PTR212.212.80.34.bc.googleusercontent.com
NSns2.cyberdns.tw
A35.194.228.87🇹🇼 Google35.194.224.0/20
PTR87.228.194.35.bc.googleusercontent.com
MXalt1.aspmx.l.google.com ⭐
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com ⭐
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
SOAlocalhost@hostmaster@idtc.com.tw serial=2023

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=2006348783
WOT: SAFE (58/100)

Same first word

idtc.net
idtc.com.hk
idtc.pl
idtc.org
idtc.gr
idtc.tech
idtc.de
idtc.com.sa
idtc.com.cn
idtc.com
idtc.org.au
idtc.ru
idtc.co.uk
idtc.ch
idtc.com.br
idtc.com.tw

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dtci.technology
cdit.or.jp
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DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NSlocalhost@ns1.cyberdns.twns2.cyberdns.twlocalhost\@pdns1.pchome.com.twpdns2.pchome.com.twMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx.l.google.comaspmx4.googlemail.comaspmx5.googlemail.comA123.204.228.8459.126.248.202
●NSlocalhost@2015-06-23 → 2026-05-09 · 5 obs
● 2015-06-23 10:09:20
○ 2015-11-02 21:47:56
○ 2020-01-08 23:45:00
● 2026-05-06 07:34:56
● 2026-05-09 16:54:38
○NSlocalhost\@2015-11-02 → 2020-01-08 · 5 obs
○ 2015-06-23 10:09:20
● 2015-11-02 21:47:56
● 2020-01-08 23:45:00
○ 2026-05-06 07:34:56
○ 2026-05-09 16:54:38
●NSns1.cyberdns.tw2020-01-08 → 2026-05-09 · 3 obs
○ 2017-01-13 19:00:46
● 2020-01-08 23:45:00
● 2026-05-09 16:54:38
●NSns2.cyberdns.tw2020-01-08 → 2026-05-09 · 3 obs
○ 2017-01-13 19:00:46
● 2020-01-08 23:45:00
● 2026-05-09 16:54:38
○NSpdns1.pchome.com.tw2015-06-23 → 2017-01-13 · 4 obs
● 2015-06-23 10:09:20
● 2017-01-13 19:00:46
○ 2020-01-08 23:45:00
○ 2026-05-09 16:54:38
○NSpdns2.pchome.com.tw2015-06-23 → 2017-01-13 · 4 obs
● 2015-06-23 10:09:20
● 2017-01-13 19:00:46
○ 2020-01-08 23:45:00
○ 2026-05-09 16:54:38
●MXalt1.aspmx.l.google.com2015-06-23 → 2026-05-09 · 2 obs
● 2015-06-23 10:09:20
● 2026-05-09 16:54:38
●MXalt2.aspmx.l.google.com2015-06-23 → 2026-05-09 · 2 obs
● 2015-06-23 10:09:20
● 2026-05-09 16:54:38
○MXaspmx.l.google.com2015-06-23 → 2020-01-08 · 4 obs
● 2015-06-23 10:09:20
● 2020-01-08 23:45:00
○ 2026-05-06 07:34:56
○ 2026-05-09 16:54:38
●MXaspmx2.googlemail.com2015-06-23 → 2026-05-09 · 2 obs
● 2015-06-23 10:09:20
● 2026-05-09 16:54:38
●MXaspmx3.googlemail.com2015-06-23 → 2026-05-09 · 2 obs
● 2015-06-23 10:09:20
● 2026-05-09 16:54:38
○MXaspmx4.googlemail.com2015-06-23 → 2020-01-08 · 4 obs
● 2015-06-23 10:09:20
● 2020-01-08 23:45:00
○ 2026-05-06 07:34:56
○ 2026-05-09 16:54:38
○MXaspmx5.googlemail.com2015-06-23 → 2020-01-08 · 4 obs
● 2015-06-23 10:09:20
● 2020-01-08 23:45:00
○ 2026-05-06 07:34:56
○ 2026-05-09 16:54:38
●A123.204.228.842020-01-08 → 2026-05-09 · 3 obs
○ 2017-01-13 19:00:46
● 2020-01-08 23:45:00
● 2026-05-09 16:54:38
○A59.126.248.2022015-06-23 → 2017-01-13 · 4 obs
● 2015-06-23 10:09:20
● 2017-01-13 19:00:46
○ 2020-01-08 23:45:00
○ 2026-05-09 16:54:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
com.twb.twnic.net.tw, h.twnic.net.tw, d.twnic.net.tw, anytld.apnic.net...17 records
idtc.com.twns2.cyberdns.tw, ns1.cyberdns.tw-

✅ Authoritative Response

Server:35.194.228.87

NS records: ns2.cyberdns.tw, ns1.cyberdns.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for idtc.com.tw (unsigned zone)

⏱️ Timing

Total: 2556ms | Queries: -

📄 Records

TypeCountSample Data
A1123.204.228.84
NS2ns2.cyberdns.tw, ns1.cyberdns.tw
MX4aspmx2.googlemail.com (pri: 30), aspmx3.googlemail.com (pri: 30)...
SOA1localhost@ hostmaster.idtc.com.tw

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)

Analysis

IP Addresses

idtc.com.tw resolves to one IP number: 123.204.228.84.

Other host names, for example 123-204-228-84.adsl.dynamic.seed.net.tw, share IP numbers with idtc.com.tw.

Name Servers

idtc.com.tw is delegated to three name servers: localhost@, ns1.cyberdns.tw and ns2.cyberdns.tw.

idtc.com.tw at least partially shares name servers with other domains, including buffalobill.idv.tw, 1088online.com, jen-in.com.tw, tabsbank.com and rihui.com.tw.

Host names with a single IP address: ns1.cyberdns.tw points to 34.80.212.212; ns2.cyberdns.tw points to 35.194.228.87.

Mail Servers

idtc.com.tw is handled by four mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

idtc.com.tw shares at least some mail servers with other domains, for example ns500794.ns500794.ns500794.ns500821.ns500841.ns500821.ns500795.ns500795.ns500821.ns500821.ns500795.ns500795.ns500795.ns500790.ns500795.lustypartnersfinder.com, passwd.org, ns500699.ns500734.ns500734.ns500699.ns500693.ns500693.ns500734.ns500699.ns500693.ns500683.ns500683.ns500612.ns500612.ns500612.dtrkdll.com, ns500731.ns500731.ns500731.ns500704.ns500705.ns500688.ns500705.ns500291.ns500649.ns500671.ns500291.ns500291.ns500131.lustychickser.com and ns500754.ns500754.ns500671.ns500731.ns500671.ns500742.ns500688.ns500704.ns500705.ns500649.ns500291.ns500671.ns500649.ns500666.ns500291.ns500131.lustychickser.com.

These mail servers are commonly used with aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IPs:

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27.

Hosts pointing to 2607:f8b0:4023:2801::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Note: aspmx2.googlemail.com and alt1.aspmx.l.google.com both point to 2607:f8b0:4023:2801::1b.