mcbc.org.tw - robtex.com

mcbc.org.tw

DNSSEC⚠️ Not signed
A2001:b031:8006:ff34::2🇹🇼 HiNet2001:b031:8000::/36
PTR2001-b031-8006-ff34-0000-0000-0000-0002.hinet-ip6.hinet.net
A61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
NSns1.potia.com ⭐ ⚠️ Not in parent delegation
A61.221.12.11🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbear.potia.net
NSns2.potia.com ⚠️ Not in parent delegation
A61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns12.potia.com
NSta47.potia.com ⚠️ Not in zone NS records
A61.221.12.11🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbear.potia.net
NSta48.potia.com ⚠️ Not in zone NS records
A61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns12.potia.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c17::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f26.1e100.net
A172.253.115.27🇺🇸 Google172.253.115.0/24
PTRbg-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=UR1XmK1tRwiYsl0UKSt6ygyMbEXynwjgdIMsWY_IKuk
SOAns1.potia.comsales@serverzoo.com 2026-04-03 #1

org.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=1999640945
WOT: SAFE (78/100)

Previously MX for

mcbc.org.tw

Same first word

mcbc.com.au
mcbc.com.cn
mcbc.ca
mcbc.biz
mcbc.eu
mcbc.cn
mcbc.builders
mcbc.co
mcbc.qc.ca
mcbc.mc
mcbc.com
mcbc.org.tw
mcbc.org
mcbc.com.br
mcbc.jp
mcbc.de
mcbc.org.au
mcbc.info

Similar names

mbcc.co.uk
cmbc.fr
mccb.cn
mbcc.ie
cbmc.ca
cbcm.net
mbcc.at
cbmc.fi
cmbc.jp
bmcc.edu
mbcc.fr
cbmc.sg
mbcc.pl
bmcc.co.kr
ccbm.de
ccbm.qc.ca
ccbm.fr
cmbc.be
mbcc.sa.edu.au
cbcm.eu
ccmb.dk
cbmc.co.uk
cmbc.com
cmcb.fr
ccbm.info
cbmc.ch
ccmb.se
cbcm.fr
bccm.ca
bmcc.de
ccmb.com
mbcc.com.au
cbmc.nl
bmcc.my
bccm.info
bccm.ru
cmcb.lu
bmcc.com.vn
mbcc.ae
cmcb.org.uk
cmbc.biz
mbcc.com.ua
bccm.be
cbmc.cc
bmcc.ch
ccbm.net.cn
bcmc.eu
cmcb.nl
bccm.eu
mccb.es
bccm.in
cmbc.ch
bmcc.ru
cmbc.ru
mccb.org
mbcc.org.nz
cbmc.biz
bccm.fr
bcmc.org.uk
cmcb.co
mbcc.com
ccmb.mx
bmcc.is
mbcc.org
bmcc.biz
bcmc.be
cmcb.be
cbmc.ru
cbmc.org
mbcc.mn
mbcc.me
ccmb.fr
bcmc.com.au
bcmc.biz
bcmc.org.za
cmcb.net
bmcc.org
bmcc.in
bcmc.cl
cbmc.org.br
bmcc.nf.ca
ccmb.com.mx
cbcm.com.mx
cmcb.ro
bccm.com.au
bcmc.it
ccmb.it
cbcm.it
mccb.de
bcmc.de
cmbc.org.tw
cbcm.jp
ccbm.co
cbcm.com.au

DNS History

15 records (11 active, 4 former)

2020202120222023202420252026NSns1.potia.comns2.potia.comta47.potia.comta48.potia.comta85.potia.comta86.potia.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commcbc.org.twA2001:b031:8006:ff34::261.221.12.1261.221.12.18
●NSns1.potia.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●NSns2.potia.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●NSta47.potia.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●NSta48.potia.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
○NSta85.potia.com2019-01-04 → 2019-01-04 · 3 obs
● 2019-01-04 01:38:44
○ 2026-04-15 18:11:36
○ 2026-04-23 12:13:38
○NSta86.potia.com2019-01-04 → 2019-01-04 · 3 obs
● 2019-01-04 01:38:44
○ 2026-04-15 18:11:36
○ 2026-04-23 12:13:38
●MXalt1.aspmx.l.google.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●MXalt2.aspmx.l.google.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●MXalt3.aspmx.l.google.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●MXalt4.aspmx.l.google.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●MXaspmx.l.google.com2026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
○MXmcbc.org.tw2019-01-04 → 2019-01-04 · 3 obs
● 2019-01-04 01:38:44
○ 2026-04-15 18:11:36
○ 2026-04-23 12:13:38
●A2001:b031:8006:ff34::22026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
●A61.221.12.122026-04-15 → 2026-04-23 · 3 obs
○ 2019-01-04 01:38:44
● 2026-04-15 18:11:36
● 2026-04-23 12:13:38
○A61.221.12.182019-01-04 → 2019-01-04 · 3 obs
● 2019-01-04 01:38:44
○ 2026-04-15 18:11:36
○ 2026-04-23 12:13:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
mcbc.org.twta47.potia.com, ta48.potia.com-

✅ Authoritative Response

Server:61.221.12.12

NS records: ta47.potia.com, ta48.potia.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1403ms | Queries: -

📄 Records

TypeCountSample Data
A161.221.12.12
AAAA12001:b031:8006:ff34::2
NS2ns1.potia.com, ns2.potia.com
MX5ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)...
TXT1google-site-verification=UR1XmK1tRwiYsl0
SOA1ns1.potia.com sales.serverzoo.com

Analysis

IP Addresses

Two IP numbers are pointed to by mcbc.org.tw: 2001:b031:8006:ff34::2 and 61.221.12.12.

other host names include underpeace.com, tw07.org, shinchi-inc.com.tw, winart.com.tw and wofsun.com; they share IP numbers with mcbc.org.tw.

Name Servers

mcbc.org.tw delegates to four name servers: ns1.potia.com, ns2.potia.com, ta47.potia.com and ta48.potia.com.

mcbc.org.tw at least partially shares name servers with other domains, for instance warpcapitaltw.com, twdek.com, dequanofficenew.com, dawnsun.com.tw and jhancyun.com.

these name servers are commonly used with ta85.potia.com, ta86.potia.com, ta5.potia.com, ta6.potia.com, ta137.potia.com, ta138.potia.com, ta30.potia.com, ta29.potia.com, ta15.potia.com and ta16.potia.com.

Host names with one IP:

ns1.potia.com points to 61.221.12.11.

ns2.potia.com points to 61.221.12.12.

ta47.potia.com points to 61.221.12.11.

ta48.potia.com points to 61.221.12.12.

Host names pointing to 61.221.12.11: ns1.potia.com and ta47.potia.com.

Host names pointing to 61.221.12.12: ns2.potia.com and ta48.potia.com.

Mail Servers

mcbc.org.tw is served by five mail servers: 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.

mcbc.org.tw shares at least partially some mail servers with other domains, for instance zuul.org, ns500754.ns500742.ns500754.ns500731.ns500671.ns500678.ns500678.ns500704.ns500671.ns500131.lustychickser.com, ns500671.ns500671.ns500671.ns500671.ns500742.ns500742.ns500731.ns500704.ns500742.ns500688.ns500688.ns500678.ns500291.ns500666.ns500291.ns500291.ns500131.lustychickser.com, thesleepcompany.com and ns500742.ns500742.ns500731.ns500671.ns500704.ns500731.ns500731.ns500678.ns500649.ns500671.ns500671.lusty(0x736c7574)z.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

The host name aspmx.l.google.com points to 2607:f8b0:4004:c17::1a and 172.253.115.27.

The host name alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.

The host name alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.

The host name alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

The host name alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.