simtek.com.tw - dns.ninja
simtek.com.tw
com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006378592 | ||||||
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
○NSns13.domaincontrol.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○NSns14.domaincontrol.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
●NSns43.domaincontrol.com2026-02-28 → 2026-07-03 · 3 obs
● 2026-02-28 09:19:50
● 2026-07-03 17:24:00
●NSns44.domaincontrol.com2026-02-28 → 2026-07-03 · 3 obs
● 2026-02-28 09:19:50
● 2026-07-03 17:24:00
○MXalt1.aspmx.l.google.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○MXalt2.aspmx.l.google.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○MXaspmx.l.google.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○MXaspmx2.googlemail.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○MXaspmx3.googlemail.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
●MXsimtek-com-tw.mail.protection.outlook.com2026-02-28 → 2026-07-03 · 3 obs
● 2026-02-28 09:19:50
● 2026-07-03 17:24:00
●A18.166.153.1692026-02-28 → 2026-07-03 · 3 obs
● 2026-02-28 09:19:50
● 2026-07-03 17:24:00
○A216.239.32.212018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○A216.239.34.212018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○A216.239.36.212018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
○A216.239.38.212018-09-18 → 2018-09-18 · 3 obs
○ 2026-02-28 09:19:50
○ 2026-07-03 17:24:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | f.twnic.net.tw, c.twnic.net.tw, anytld.apnic.net, d.twnic.net.tw... | - |
| simtek.com.tw | ns43.domaincontrol.com, ns44.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.166.153.169 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 1 | simtek-com-tw.mail.protection.outlook.co |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
simtek.com.tw resolves to one IP address: 18.166.153.169.
Other host names, such as ec2-18-166-153-169.ap-east-1.compute.amazonaws.com, share IP numbers with simtek.com.tw.
Name Servers
simtek.com.tw is delegated to two name servers: ns43.domaincontrol.com and ns44.domaincontrol.com.
simtek.com.tw uses the same name servers as several other domains — among them smackdonald.com, enhancedinspectionsolutions.com, octiv.us and two more.
simtek.com.tw shares at least some of its name servers with other domains, such as diwait.com.mx.
ns43.domaincontrol.com and ns44.domaincontrol.com each resolve to two IP addresses: ns43.domaincontrol.com points to 97.74.101.22 and 2603:5:2152::16, while ns44.domaincontrol.com points to 173.201.69.22 and 2603:5:2252::16.
Mail Servers
Mail for simtek.com.tw is handled by a single mail server, simtek-com-tw.mail.protection.outlook.com.
simtek-com-tw.mail.protection.outlook.com resolves to 6 IP addresses — 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.