edu-bbs.cn - robtex.com
edu-bbs.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.247.216.250🇨🇳 CHINATELECOM-ZHEJIANG-NINGBO-IDC122.247.216.0/21 Chinanet-NingBo-IDC | ||||||
| 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.judns.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.judns.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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1776006068 | ||||||
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=2034777807 | ||||||
Same first word
edu-bbs.cn |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 07:57:06
●NSns2.julydns.com2026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 07:57:06
●A122.247.216.2502026-04-20 → 2026-05-11 · 2 obs
● 2026-05-11 07:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn... | - |
| edu-bbs.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for edu-bbs.cn (unsigned zone)
⏱️ Timing
Total: 1901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.247.216.250 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
edu-bbs.cn points to a single IP: 122.247.216.250.
Other host names, for instance oms(0x666170).cn, gansu.xrexqq.cn, wap.2m60.cn, 4rpy.cn and langyishop.com share IP numbers with edu-bbs.cn.
Name Servers
edu-bbs.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
edu-bbs.cn at least partially shares its name servers with other domains, for instance cymhm.com, hjlajs.com, zbw889.cn, bobitime.com and wzmsd.com.
These name servers are commonly used alongside jm1.dns.com and jm2.dns.com.
Host names with a single IP number:
The host names ns1.judns.com and ns2.judns.com point to 162.159.27.251.
The host names ns1.julydns.com and ns2.julydns.com point to 162.159.48.223.
Host names that point to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names that point to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.