tcwb.cn - robtex.com
tcwb.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 200.103.205.196🇧🇷 AS-V200.103.192.0/18 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1785234930 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035144183 | ||||||
rank #15456 in the tld
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-07-29 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:16
●NSns1.onclouddns.com2026-07-29 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:16
●NSns2.julydns.com2026-07-29 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:16
●NSns2.onclouddns.com2026-07-29 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:16
●A200.103.205.1962026-07-29 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| tcwb.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tcwb.cn (unsigned zone)
⏱️ Timing
Total: 979ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 200.103.205.196 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
tcwb.cn has exactly one IP address — 200.103.205.196.
Name Servers
Four name servers handle the delegation for tcwb.cn: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
tcwb.cn shares at least some of its name servers with other domains, including hz-earl.com, zcshendejixie.com, qyggjob.com and two others.
These name servers are frequently paired with the name servers ns1.judns.com and ns2.judns.com.
ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223; ns1.onclouddns.com and ns2.onclouddns.com share the IP address 162.159.27.251.
The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.
The host names ns1.onclouddns.com and ns2.onclouddns.com both resolve to 162.159.27.251 IP addresses.