cbbt.cn - robtex.com
cbbt.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.238.244.6🇺🇸 AS401696156.238.244.0/22 | ||||||
| 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=1780232424 | ||||||
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=2034914547 | ||||||
rank #14265 in the tld
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSgo1.cdns.cn2015-08-22 → 2015-08-22 · 3 obs
○ 2026-06-08 06:12:26
○ 2026-06-13 22:13:54
○NSgo2.cdns.cn2015-08-22 → 2015-08-22 · 3 obs
○ 2026-06-08 06:12:26
○ 2026-06-13 22:13:54
●NSns1.julydns.com2026-06-08 → 2026-06-13 · 4 obs
● 2026-06-08 06:12:26
○ 2026-06-13 11:43:32
● 2026-06-13 22:13:54
●NSns1.onclouddns.com2026-06-08 → 2026-06-13 · 3 obs
● 2026-06-08 06:12:26
● 2026-06-13 22:13:54
●NSns2.julydns.com2026-06-08 → 2026-06-13 · 4 obs
● 2026-06-08 06:12:26
○ 2026-06-13 11:43:32
● 2026-06-13 22:13:54
●NSns2.onclouddns.com2026-06-08 → 2026-06-13 · 3 obs
● 2026-06-08 06:12:26
● 2026-06-13 22:13:54
●A156.238.244.62026-06-08 → 2026-06-13 · 4 obs
● 2026-06-08 06:12:26
○ 2026-06-13 11:43:32
● 2026-06-13 22:13:54
○A218.241.105.1472015-08-22 → 2015-08-22 · 3 obs
○ 2026-06-08 06:12:26
○ 2026-06-13 22:13:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| cbbt.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 cbbt.cn (unsigned zone)
⏱️ Timing
Total: 923ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.238.244.6 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
cbbt.cn has exactly one IP address — 156.238.244.6.
lpnz.cn, smld.cn, nbf.org.cn plus two other host names have IP numbers in common with cbbt.cn.
Name Servers
cbbt.cn is delegated to four name servers, ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
At least some of cbbt.cn's name servers are shared with other domains, for example magsecservice.com, nrtjh.com, sxzhuxue.com and two more.
These name servers tend to be deployed in combination 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.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.
ns1.onclouddns.com along with ns2.onclouddns.com each resolve to 162.159.27.251 IP addresses.