www.jwtech21.com - robtex.com

www.jwtech21.com

DNSSEC⚠️ Not signed
A208.98.40.225🇺🇸 SHARKTECH-1208.98.40.0/24
NSwww.www.jwtech21.com ⭐
A208.98.43.33🇺🇸 SHARKTECH-1208.98.43.0/24
SOAwww.www.jwtech21.comwww@jwtech21.com 2008-08-03 #0

jwtech21.com

DNSSEC⚠️ Not signed
A208.98.40.33🇺🇸 SHARKTECH-1208.98.40.0/24
NSwww.jwtech21.com ⭐
NSns1.4.cn ⚠️ Not in zone NS records
NSns2.4.cn ⚠️ Not in zone NS records
SOAwww.jwtech21.comjwtech21@com 2008-08-03 #0

NS for

jwtech21.com

Same first word

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DNS History

10 records (2 active, 8 former)

NSwww.www.jwtech21.comA208.98.40.225208.98.40.100208.98.40.228208.98.40.33208.98.40.37208.98.40.91208.98.40.94208.98.43.100208.98.43.38
●NSwww.www.jwtech21.com2026-07-12 → 2026-07-28 · 2 obs
● 2026-07-12 20:30:54
● 2026-07-28 04:56:50
○A208.98.40.1002026-07-22 → 2026-07-22 · 4 obs
○ 2026-07-21 04:42:46
● 2026-07-22 12:24:00
○ 2026-07-24 13:15:40
○ 2026-07-28 04:56:50
●A208.98.40.2252026-07-28 → 2026-07-28 · 2 obs
○ 2026-07-27 21:27:52
● 2026-07-28 04:56:50
○A208.98.40.2282026-07-14 → 2026-07-14 · 4 obs
○ 2026-07-13 11:09:36
● 2026-07-14 07:33:00
○ 2026-07-18 09:17:18
○ 2026-07-28 04:56:50
○A208.98.40.332026-07-24 → 2026-07-24 · 4 obs
○ 2026-07-22 12:24:00
● 2026-07-24 13:15:40
○ 2026-07-27 21:27:52
○ 2026-07-28 04:56:50
○A208.98.40.372026-07-12 → 2026-07-12 · 3 obs
● 2026-07-12 20:30:54
○ 2026-07-13 11:09:36
○ 2026-07-28 04:56:50
○A208.98.40.912026-07-19 → 2026-07-19 · 4 obs
○ 2026-07-18 09:17:18
● 2026-07-19 00:08:12
○ 2026-07-21 04:42:46
○ 2026-07-28 04:56:50
○A208.98.40.942026-07-13 → 2026-07-13 · 4 obs
○ 2026-07-12 20:30:54
● 2026-07-13 11:09:36
○ 2026-07-14 07:33:00
○ 2026-07-28 04:56:50
○A208.98.43.1002026-07-27 → 2026-07-27 · 3 obs
○ 2026-07-24 13:15:40
● 2026-07-27 21:27:52
○ 2026-07-28 04:56:50
○A208.98.43.382026-07-18 → 2026-07-18 · 4 obs
○ 2026-07-14 07:33:00
● 2026-07-18 09:17:18
○ 2026-07-19 00:08:12
○ 2026-07-28 04:56:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
jwtech21.comns1.4.cn, ns2.4.cn-

✅ Authoritative Response

Server:107.167.27.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jwtech21.com (unsigned zone)

⏱️ Timing

Total: 2362ms | Queries: -

📄 Records

TypeCountSample Data
A1208.98.43.100
SOA1www.www.jwtech21.com www.jwtech21.com

Analysis

Name Server Role

The DNS delegation for jwtech21.com includes www.jwtech21.com as a name server.

It is common to find ns1.4.cn and ns2.4.cn serving as name servers together with www.jwtech21.com.

IP Addresses

www.jwtech21.com points to a single IP number: 208.98.40.225.

Additional host names — www.www.hidingsurf.cz.cc, www.mail.greencarchina.org, www.lb1.1happy.com and two others — share IP numbers with www.jwtech21.com.

Name Servers

www.jwtech21.com is delegated to a single name server: www.www.jwtech21.com.

www.www.jwtech21.com directs to just one IP number, 208.98.43.33.