3cu.com.tw - robtex.com

3cu.com.tw

DNSSEC⚠️ Not signed
A210.200.66.80🇹🇼 APOL-AS-TW210.200.64.0/21 Far Eastone Telecommunications Co., Ltd
NSvdns1.seed.net.tw ⭐
A61.20.46.203🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan
PTRvdns1.seed.net.tw
NSvdns3.seed.net.tw
A61.20.46.203🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan
PTRvdns1.seed.net.tw
NSvdns4.seed.net.tw
A61.20.46.204🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan
PTRvdns2.seed.net.tw
MXsmtp.google.com ⭐
A2607:f8b0:4004:c06::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbg-in-f26.1e100.net
A2607:f8b0:4004:c06::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbg-in-f27.1e100.net
A2607:f8b0:4004:c07::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f26.1e100.net
A2607:f8b0:4004:c23::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A172.253.62.26🇺🇸 Google172.253.62.0/24
PTRbc-in-f26.1e100.net
A172.253.115.26🇺🇸 Google172.253.115.0/24
PTRbg-in-f26.1e100.net
A172.253.115.27🇺🇸 Google172.253.115.0/24
PTRbg-in-f27.1e100.net
A172.253.122.26🇺🇸 Google172.253.122.0/24
PTRbh-in-f26.1e100.net
A192.178.155.26🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
TXTgoogle-site-verification=16vbbL97kn9sroBKmcVFFmfJ5Nf3fh9GkGD5zHAbRg8
TXT26v5w3f7pojh63foqbfjtrkfczt4tzgx657b6ruqmd44y4a3iyhq.mx-verification.google.com
SOAvdns1.seed.net.twsysop@vdns1.seed.net 2025-06-26 #4

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=2006381822
WOT: SAFE (58/100)

Same first word

3cu.com.tw
3cu.tw
3cu.org
3cu.net
3cu.com
3cu.cn
3cu.nl
3cu.be
3cu.ru
3cu.de

Similar names

c3u.org
u3c.com.br
c3u.net
uc3.info
3uc.top
c3u.fr
3uc.com
uc3.ru
uc3.org
3uc.cc
cu3.com
cu3.ch
uc3.biz
cu3.io
c3u.de
uc3.de
u3c.org
uc3.us
cu3.de
uc3.com
u3c.cn
u3c.net
uc3.me
u3c.biz
cu3.nl
uc3.net
3uc.nl
cu3.net
3uc.cn
u3c.de
3uc.org

DNS History

12 records (5 active, 7 former)

200920112013201520172019202120232025NSvdns1.seed.net.twvdns3.seed.net.twvdns4.seed.net.twdns.sunup.netns7.g-dns.comns8.g-dns.comMXsmtp.google.comcp28.g-dns.comu5.sunup.netu9.sunup.netA210.200.66.80122.147.183.65
○NSdns.sunup.net2008-11-27 → 2016-07-04 · 4 obs
● 2008-11-27 22:38:40
● 2016-07-04 01:31:58
○ 2017-02-18 06:28:26
○ 2026-07-14 17:39:24
○NSns7.g-dns.com2017-02-18 → 2017-02-18 · 4 obs
○ 2016-07-04 01:31:58
● 2017-02-18 06:28:26
○ 2026-07-03 20:01:12
○ 2026-07-14 17:39:24
○NSns8.g-dns.com2017-02-18 → 2017-02-18 · 4 obs
○ 2016-07-04 01:31:58
● 2017-02-18 06:28:26
○ 2026-07-03 20:01:12
○ 2026-07-14 17:39:24
●NSvdns1.seed.net.tw2026-07-03 → 2026-07-14 · 3 obs
○ 2017-02-18 06:28:26
● 2026-07-03 20:01:12
● 2026-07-14 17:39:24
●NSvdns3.seed.net.tw2026-07-03 → 2026-07-14 · 3 obs
○ 2017-02-18 06:28:26
● 2026-07-03 20:01:12
● 2026-07-14 17:39:24
●NSvdns4.seed.net.tw2026-07-03 → 2026-07-14 · 3 obs
○ 2017-02-18 06:28:26
● 2026-07-03 20:01:12
● 2026-07-14 17:39:24
○MXcp28.g-dns.com2017-02-18 → 2017-02-18 · 4 obs
○ 2016-07-04 01:31:58
● 2017-02-18 06:28:26
○ 2026-07-03 20:01:12
○ 2026-07-14 17:39:24
●MXsmtp.google.com2026-07-03 → 2026-07-14 · 3 obs
○ 2017-02-18 06:28:26
● 2026-07-03 20:01:12
● 2026-07-14 17:39:24
○MXu5.sunup.net2008-11-27 → 2008-11-27 · 3 obs
● 2008-11-27 22:38:40
○ 2015-08-15 22:52:58
○ 2026-07-14 17:39:24
○MXu9.sunup.net2015-08-15 → 2016-07-04 · 5 obs
○ 2008-11-27 22:38:40
● 2015-08-15 22:52:58
● 2016-07-04 01:31:58
○ 2017-02-18 06:28:26
○ 2026-07-14 17:39:24
○A122.147.183.652017-02-18 → 2017-02-18 · 3 obs
● 2017-02-18 06:28:26
○ 2026-07-03 20:01:12
○ 2026-07-14 17:39:24
●A210.200.66.802026-07-03 → 2026-07-14 · 3 obs
○ 2017-02-18 06:28:26
● 2026-07-03 20:01:12
● 2026-07-14 17:39:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
3cu.com.twvdns3.seed.net.tw, vdns4.seed.net.tw-

✅ Authoritative Response

Server:61.20.46.204

NS records: vdns3.seed.net.tw, vdns4.seed.net.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3cu.com.tw (unsigned zone)

⏱️ Timing

Total: 3284ms | Queries: -

📄 Records

TypeCountSample Data
A1210.200.66.80
NS2vdns3.seed.net.tw, vdns4.seed.net.tw
MX1smtp.google.com (pri: 1)
TXT226v5w3f7pojh63foqbfjtrkfczt4tzgx657b6ruq, google-site-verification=16vbbL97kn9sroB
SOA1vdns1.seed.net.tw sysop.vdns1.seed.net

Analysis

IP Addresses

3cu.com.tw points to a single IP number: 210.200.66.80.

Additional host names — qber.com.tw, actc.tw, twhm.com.tw and two others — share IP numbers with 3cu.com.tw.

Name Servers

3cu.com.tw carries NS records delegating to vdns1.seed.net.tw, vdns3.seed.net.tw and vdns4.seed.net.tw.

The name servers of 3cu.com.tw overlap at least partially with those of other domains — among them bestar.com.tw, redowber.com.tw, inkcom.com.tw and two more.

These name servers commonly appear in combination with the name servers vdns2.seed.net.tw.

vdns1.seed.net.tw, vdns3.seed.net.tw and vdns4.seed.net.tw each resolve to one IP address: vdns1.seed.net.tw and vdns3.seed.net.tw both point to 61.20.46.203, while vdns4.seed.net.tw points to 61.20.46.204.

vdns1.seed.net.tw along with vdns3.seed.net.tw each resolve to 61.20.46.203 IP addresses.

Mail Servers

3cu.com.tw has one mail server: smtp.google.com.

3cu.com.tw shares the same mail server setup as other domains, including widgetcrew.com, kletterwald-staufen.de, djkramer.com and two others.

3cu.com.tw shares mail servers — at least in part — with other domains, including gercop.com, lasisters.org, beyondtheinterview.com and two others.

smtp.google.com points to 9 IP numbers: 172.253.62.26, 172.253.115.26, 172.253.115.27 and 6 other.