3system.com.tw - dns.ninja

3system.com.tw

DNSSEC⚠️ Not signed
NSdns2.3system.com.tw ⭐
A211.72.70.116🇹🇼 HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRdns2.3system.com.tw
NSdns1.3system.com.tw
A211.72.70.119🇹🇼 HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTR211-72-70-119.hinet-ip.hinet.net
MXspam.3system.com.tw ⭐
A211.72.70.117🇹🇼 HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRspam.3system.com.tw
TXTMS=B5FF793556A9A80B6CD18570A3F16326B2ABB05E
TXTv=spf1 ip4:211.72.70.117 ip4:211.72.70.118 -all
SOAdns2.3system.com.twadmin@3system.com.tw serial=1297150091

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=2006380567
WOT: SAFE (58/100)

Subdomains

dns1.3system.com.tw
dns2.3system.com.tw
spam.3system.com.tw

Same first word

3system.com
3system.info
3system.ch
3system.com.tw
3system.co.jp

Similar names

system3.ru
system3.es
system3.de
system3.md
system3.at
system3.com
system3.se
system3.pl
system3.net

DNS History

7 records (3 active, 4 former)

200920112013201520172019202120232025NSdns1.3system.com.twdns2.3system.com.twbox1.3system.com.twftp.3system.com.twMXspam.3system.com.twspam1.3system.com.twA210.243.238.231
○NSbox1.3system.com.tw2008-12-09 → 2008-12-09 · 3 obs
● 2008-12-09 05:43:22
○ 2015-07-18 14:23:06
○ 2026-07-10 07:13:56
●NSdns1.3system.com.tw2026-02-15 → 2026-07-10 · 3 obs
○ 2016-12-11 16:55:16
● 2026-02-15 03:46:40
● 2026-07-10 07:13:56
●NSdns2.3system.com.tw2015-07-18 → 2026-07-10 · 9 obs
○ 2008-12-09 05:43:22
● 2015-07-18 14:23:06
● 2015-11-23 15:59:54
○ 2016-02-10 12:35:42
● 2016-02-29 08:46:08
● 2016-05-15 09:49:48
○ 2016-06-17 10:43:36
● 2016-12-11 16:55:16
● 2026-07-10 07:13:56
○NSftp.3system.com.tw2015-07-18 → 2016-12-11 · 11 obs
○ 2008-12-09 05:43:22
● 2015-07-18 14:23:06
○ 2015-11-22 04:12:42
○ 2015-11-23 15:59:54
● 2016-02-10 12:35:42
○ 2016-02-29 08:46:08
○ 2016-05-15 09:49:48
● 2016-06-17 10:43:36
● 2016-12-11 16:55:16
○ 2026-02-15 03:46:40
○ 2026-07-10 07:13:56
●MXspam.3system.com.tw2008-12-09 → 2026-07-10 · 2 obs
● 2008-12-09 05:43:22
● 2026-07-10 07:13:56
○MXspam1.3system.com.tw2015-07-18 → 2016-12-11 · 5 obs
○ 2008-12-09 05:43:22
● 2015-07-18 14:23:06
● 2016-12-11 16:55:16
○ 2026-02-15 03:46:40
○ 2026-07-10 07:13:56
○A210.243.238.2312008-12-09 → 2008-12-09 · 3 obs
● 2008-12-09 05:43:22
○ 2015-07-18 14:23:06
○ 2026-07-10 07:13:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
3system.com.twdns2.3system.com.tw, dns1.3system.com.tw2 records

✅ Authoritative Response

Server:211.72.70.119

NS records: dns2.3system.com.tw, dns1.3system.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1378ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns2.3system.com.tw, dns1.3system.com.tw
MX1spam.3system.com.tw (pri: 10)
TXT2v=spf1 ip4:211.72.70.117 ip4:211.72.70.1, MS=B5FF793556A9A80B6CD18570A3F16326B2ABB
SOA1dns1.3system.com.tw admin.3system.com.tw

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dns2.3system.com.tw, dns1.3system.com.tw)

Analysis

Hierarchy

dns1.3system.com.tw, dns2.3system.com.tw and spam.3system.com.tw each fall under the parent domain 3system.com.tw.

Name Servers

3system.com.tw is delegated to two name servers: dns1.3system.com.tw and dns2.3system.com.tw.

3system.com.tw shares at least some of its name servers with other domains, such as 3system.com.

These name servers often co-occur with the name servers ns2.3system.com.tw.

dns1.3system.com.tw resolves to 211.72.70.119. dns2.3system.com.tw resolves to 211.72.70.116. Both host names point to a single IP number.

Mail Servers

Mail for 3system.com.tw is handled by a single mail server, spam.3system.com.tw.

spam.3system.com.tw resolves to a single IP number: 211.72.70.117.