dbtech.com.tw - dns.ninja

dbtech.com.tw

DNSSEC⚠️ Not signed
A211.20.42.124🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRdbtech.com.tw
NSadmns1.hinet.net
A2001:b000:168::192:32🇹🇼 HiNet2001:b000:100::/40
PTRadmns1.hinet.net
A168.95.192.32🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRadmns1.hinet.net
NSadmns2.hinet.net
A2001:b000:180:80d:203:74:116:192🇹🇼 HiNet2001:b000:100::/40
PTRadmns2.hinet.net
A203.74.116.192🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRadmns2.hinet.net
MXmail.dbtech.com.tw
A211.20.42.124🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRdbtech.com.tw
TXTv=spf1 ip4:211.20.42.124 ip4:211.20.42.122 ip4:211.20.42.121 include:_spf.goo...
SOAadmns1.hinet.nethostmaster@hinet.net serial=1781377201

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=2006359416
WOT: SAFE (58/100)

PTR for

Previously NS for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSadmns1.hinet.netadmns2.hinet.netdbtech.com.twmainservermainserver.dbtech.com.twMXmail.dbtech.com.twdbtech.com.twA211.20.42.124
NSadmns1.hinet.net2016-03-22 → 2026-06-16 · 3 obs
○ 2015-12-06 16:44:34
● 2016-03-22 16:01:24
● 2026-06-16 11:39:18
NSadmns2.hinet.net2016-03-22 → 2026-06-16 · 3 obs
○ 2015-12-06 16:44:34
● 2016-03-22 16:01:24
● 2026-06-16 11:39:18
NSdbtech.com.tw2015-08-12 → 2015-12-06 · 4 obs
● 2015-08-12 16:17:42
● 2015-12-06 16:44:34
○ 2016-03-22 16:01:24
○ 2026-06-16 11:39:18
NSmainserver2015-12-06 → 2015-12-06 · 4 obs
○ 2015-08-12 16:17:42
● 2015-12-06 16:44:34
○ 2016-03-22 16:01:24
○ 2026-06-16 11:39:18
NSmainserver.dbtech.com.tw2015-08-12 → 2015-08-12 · 3 obs
● 2015-08-12 16:17:42
○ 2015-12-06 16:44:34
○ 2026-06-16 11:39:18
MXdbtech.com.tw2015-08-12 → 2015-12-06 · 4 obs
● 2015-08-12 16:17:42
● 2015-12-06 16:44:34
○ 2016-03-22 16:01:24
○ 2026-06-16 11:39:18
MXmail.dbtech.com.tw2016-03-22 → 2026-06-16 · 3 obs
○ 2015-12-06 16:44:34
● 2016-03-22 16:01:24
● 2026-06-16 11:39:18
A211.20.42.1242015-08-12 → 2026-06-16 · 2 obs
● 2015-08-12 16:17:42
● 2026-06-16 11:39:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...16 records
dbtech.com.twadmns1.hinet.net, admns2.hinet.net-

✅ Authoritative Response

Server:203.74.116.192

NS records: admns1.hinet.net, admns2.hinet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1671ms | Queries: -

📄 Records

TypeCountSample Data
A1211.20.42.124
NS2admns1.hinet.net, admns2.hinet.net
MX1mail.dbtech.com.tw (pri: 10)
TXT1v=spf1 ip4:211.20.42.124 ip4:211.20.42.1
SOA1admns1.hinet.net hostmaster.hinet.net

📌 Glue Records Collected

Total: 16

In-bailiwick: 14 (a.dns.tw, a.dns.tw, b.dns.tw...)

Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)

Analysis

Hierarchy

dbtech.com.tw serves as the parent of mail.dbtech.com.tw and www.dbtech.com.tw.

IP Addresses

dbtech.com.tw has exactly one IP address — 211.20.42.124.

Host names such as www.dbtech.com.tw and mail.dbtech.com.tw share IP numbers with dbtech.com.tw.

Name Servers

The NS records for dbtech.com.tw delegate to admns1.hinet.net and admns2.hinet.net.

The name server configuration of dbtech.com.tw is shared with other domains, for instance huayin.com.tw, yihming.com.tw, shiau.tw and two others.

admns1.hinet.net resolves to 168.95.192.32 and 2001:b000:168::192:32. Likewise, admns2.hinet.net resolves to 203.74.116.192 and 2001:b000:180:80d:203:74:116:192 — two IP addresses apiece.

Mail Servers

dbtech.com.tw uses one mail server — mail.dbtech.com.tw.

mail.dbtech.com.tw resolves to 211.20.42.124 and no other IP number.