jctech.tw - robtex.com
jctech.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4ad🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:844d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.173Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.77🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amit.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 108.162.193.63🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 172.64.33.63🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 173.245.59.63🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| NS | emily.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c09b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:209b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| A | 108.162.192.155🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| A | 172.64.32.155🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| A | 173.245.58.155🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emily.ns.cloudflare.com | ||||||
| TXT | google-site-verification=gztLpMu_ZA1ukDaKuOyslHpFldk5kBTlavr2jodScfg | ||||||
| TXT | google-site-verification=qIBzd-RaNdH5ivO-2KBYfaAx3eLO3Sv-4KmHlc6WSj8 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.4.173, 172.67.132.77 | ||||||
| IPv6 | 2606:4700:3032::6815:4ad, 2606:4700:3037::ac43:844d | ||||||
| SOA | amit.ns.cloudflare.comdns@cloudflare.com serial=2396511039 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2010994907 | ||||||
Same first word
Similar names
cjtech.com.br |
thecjc.org |
cjtech.cc |
cjtech.fr |
techjc.cn |
thejcc.com |
cjtech.co.kr |
cjtech.co.uk |
cjtech.xyz |
thecjc.net |
cjtech.co.in |
cjtech.cloud |
cjtech.com.au |
DNS History
6 records (6 active, 0 former)
●NSamit.ns.cloudflare.com2026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
●NSemily.ns.cloudflare.com2026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
●A104.21.4.1732026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
●A172.67.132.772026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
●A2606:4700:3032::6815:4ad2026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
●A2606:4700:3037::ac43:844d2026-03-17 → 2026-03-23 · 2 obs
● 2026-03-23 01:04:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw... | - |
| jctech.tw | emily.ns.cloudflare.com, amit.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.63
NS records: emily.ns.cloudflare.com, amit.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jctech.tw (unsigned zone)
⏱️ Timing
Total: 681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.77, 104.21.4.173 |
| AAAA | 2 | 2606:4700:3037::ac43:844d, 2606:4700:3032::6815:4ad |
| NS | 2 | amit.ns.cloudflare.com, emily.ns.cloudflare.com |
| TXT | 2 | google-site-verification=gztLpMu_ZA1ukDa, google-site-verification=qIBzd-RaNdH5ivO |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amit.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
jctech.tw maps to four IP numbers: 2606:4700:3032::6815:4ad, 2606:4700:3037::ac43:844d, 104.21.4.173 and 172.67.132.77.
Other host names such as www.twomaidsrichmond.com, twomaidsrichmond.com, diyyi.com, iovo.pl and clfuae.com share IPs with jctech.tw.
Name Servers
Two name servers amit.ns.cloudflare.com and emily.ns.cloudflare.com handle the delegation for jctech.tw.
jctech.tw shares the same name server setup as other domains, for example sheffieldunited.news, pdr.org.tr, gerious.com.tw, glbiotech.com and thlp.com.tw.
jctech.tw at least partially shares name servers with other domains, for example dlavm5.autos, websm188.top, brasok.no, corporatewellnessconference.com and golfcontentnetwork.com.
These name servers are commonly used with raegan.ns.cloudflare.com and trey.ns.cloudflare.com and amber.ns.cloudflare.com.
Host names with six IP numbers:
amit.ns.cloudflare.com points to 2606:4700:58::adf5:3b3f, 2803:f800:50::6ca2:c13f, 2a06:98c1:50::ac40:213f, 108.162.193.63, 172.64.33.63 and 173.245.59.63.
emily.ns.cloudflare.com points to 2606:4700:50::adf5:3a9b, 2803:f800:50::6ca2:c09b, 2a06:98c1:50::ac40:209b, 108.162.192.155, 172.64.32.155 and 173.245.58.155.