tw - robtex.com

tw

DNSSEC🔒 Signed (DS record present)
NSa.dns.tw
A2001:45b1:0:5::25🇹🇼 Seednet2001:45b1::/36
A203.73.24.25🇹🇼 Seednet203.73.24.0/24 SeedNet
NSanytld.apnic.net ⚠️ Not in parent delegation
A2001:dd8:12::53🇦🇺 APNIC-ANYCAST2001:dd8:12::/48 APNIC Anycast Network
PTRns4.apnic.net
A202.12.31.53🇦🇺 APNIC-ANYCAST202.12.31.0/24 APNIC DNS Anycast
PTRns4.apnic.net
NSb.dns.tw
A2404:0:10a0::58🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6
A210.201.138.58🇹🇼 APOL210.201.138.0/24 Asia Pacific Telecom co., Ltd
NSc.dns.tw
A2001:b020:0:77::1🇹🇼 HiNet2001:b020::/27
PTRc.dns.tw
A203.66.87.201🇹🇼 HiNet203.66.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRc.dns.tw
NSd.dns.tw
A2001:4541:9010:7::186🇹🇼 TFN-NET2001:4541:9000::/36 Taiwan Fixed Network 9924
A60.199.165.186🇹🇼 TFN-NET60.199.165.0/24 Taiwan Fixed Network
PTR60-199-165-186.static.tfn.net.tw
NSe.dns.tw
A2001:b000:1e0:c000::11🇹🇼 HiNet2001:b000:100::/40
PTRe.dns.tw
A211.20.231.11🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTR211-20-231-11.hinet-ip.hinet.net
NSf.dns.tw
A40.65.125.222🇺🇸 Microsoft40.64.0.0/15
NSg.dns.tw
A34.141.111.176🇩🇪 Google34.141.96.0/20
PTR176.111.141.34.bc.googleusercontent.com
NSh.dns.tw
A2001:500:14:6119:ad::1🇺🇸 UNSPECIFIED2001:500:14::/48 PCH v6 block for DNS Anycast
PTRh.dns.tw
A204.61.216.119🇺🇸 UNSPECIFIED204.61.216.0/23 Packet Clearing House
PTRh.dns.tw
SOAa.dns.twsnw@twnic.net.tw serial=2011017006

(root)

DNSSEC🔒 Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-05-29 #0

Previously NS for

Subdomains

Same first word

Similar names

DNS History

12 records (9 active, 3 former)

20162017201820192020202120222023202420252026NSa.dns.twanytld.apnic.netb.dns.twc.dns.twd.dns.twe.dns.twf.dns.twg.dns.twh.dns.twi.dns.twns.twnic.netsec4.apnic.net
NSa.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSanytld.apnic.net2017-08-16 → 2026-05-29 · 3 obs
○ 2017-08-12 18:07:34
● 2017-08-16 16:44:30
● 2026-05-29 15:56:22
NSb.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSc.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSd.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSe.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSf.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSg.dns.tw2015-09-03 → 2026-05-29 · 2 obs
● 2015-09-03 03:52:04
● 2026-05-29 15:56:22
NSh.dns.tw2015-09-03 → 2026-05-29 · 6 obs
● 2015-09-03 03:52:04
● 2018-10-30 06:35:52
○ 2018-11-03 04:23:04
○ 2018-11-05 01:16:40
● 2018-11-09 04:22:52
● 2026-05-29 15:56:22
NSi.dns.tw2015-09-03 → 2018-11-05 · 4 obs
● 2015-09-03 03:52:04
● 2018-11-05 01:16:40
○ 2018-11-09 04:22:52
○ 2026-05-29 15:56:22
NSns.twnic.net2015-09-03 → 2021-12-27 · 4 obs
● 2015-09-03 03:52:04
● 2021-12-27 12:28:28
○ 2026-02-16 16:46:22
○ 2026-05-29 15:56:22
NSsec4.apnic.net2015-09-03 → 2017-08-12 · 4 obs
● 2015-09-03 03:52:04
● 2017-08-12 18:07:34
○ 2017-08-16 16:44:30
○ 2026-05-29 15:56:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-

✅ Authoritative Response

Server:203.66.87.201

NS records: a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw, e.dns.tw, f.dns.tw, g.dns.tw, h.dns.tw

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1176ms | Queries: -

📄 Records

TypeCountSample Data
NS9g.dns.tw, c.dns.tw...
SOA1a.dns.tw snw.twnic.net.tw

Analysis

Hierarchy

tw serves as parent to at least salesforce-china.tw, safemode.tw, thawte.tw, otoro.tw and vidsrc.tw — along with tens of thousands of other host names.

Name Servers

tw is delegated to 9 name servers: anytld.apnic.net, a.dns.tw, b.dns.tw and six others.

tw shares at least some of its name servers with other domains, including club.tw, ebiz.tw, net.tw and two others.

These name servers co-occur with h.dns.tw, d.dns.tw, e.dns.tw and seven other name servers on a regular basis.

Host names that have two IP addresses:

anytld.apnic.net has two IP addresses: 202.12.31.53 and 2001:dd8:12::53.

a.dns.tw has two IP addresses: 203.73.24.25 and 2001:45b1:0:5::25.

b.dns.tw has two IP addresses: 210.201.138.58 and 2404:0:10a0::58.

c.dns.tw has two IP addresses: 203.66.87.201 and 2001:b020:0:77::1.

d.dns.tw has two IP addresses: 60.199.165.186 and 2001:4541:9010:7::186.

e.dns.tw has two IP addresses: 211.20.231.11 and 2001:b000:1e0:c000::11.

h.dns.tw has two IP addresses: 204.61.216.119 and 2001:500:14:6119:ad::1.

Host names with one IP number:

f.dns.tw directs to 40.65.125.222.

g.dns.tw directs to 34.141.111.176.