ibna.cn - dns.ninja
ibna.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | 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 | 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 | ||||||
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=2035034946 | ||||||
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSdns1.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
○NSdns2.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
○NSdns29.hichina.com2018-07-26 → 2018-07-26 · 4 obs
● 2018-07-26 05:51:46
○ 2026-02-21 18:23:20
○ 2026-07-13 07:10:42
○NSdns3.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
○NSdns30.hichina.com2018-07-26 → 2018-07-26 · 4 obs
● 2018-07-26 05:51:46
○ 2026-02-21 18:23:20
○ 2026-07-13 07:10:42
○NSdns4.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
○NSdns5.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
○NSdns6.iidns.com2016-04-12 → 2016-12-31 · 4 obs
● 2016-12-31 03:55:06
○ 2018-07-26 05:51:46
○ 2026-07-13 07:10:42
●NSns1.judns.com2026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 18:23:20
● 2026-07-13 07:10:42
●NSns1.julydns.com2026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 18:23:20
● 2026-07-13 07:10:42
●NSns2.judns.com2026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 18:23:20
● 2026-07-13 07:10:42
●NSns2.julydns.com2026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 18:23:20
● 2026-07-13 07:10:42
○CNAMEoverdue.aliyun.com2018-07-26 → 2018-07-26 · 3 obs
○ 2026-02-21 18:23:20
○ 2026-07-13 07:10:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ibna.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 ibna.cn (unsigned zone)
⏱️ Timing
Total: 1464ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
The NS records for ibna.cn point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
At least some of ibna.cn's name servers are shared with other domains, for example 989km.com, fyjtxh.com, justj.cn and two more.
These name servers tend to be deployed in combination with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
The host names ns1.judns.com and ns2.judns.com both resolve to 162.159.27.251 IP addresses.
The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.