ns2.loopback.cn - robtex.com
ns2.loopback.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
loopback.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| NS | loopback.cn ⭐ | ||||||
| NS | ns1.loopback.cn | ||||||
| NS | ns2.loopback.cn | ||||||
| SOA | loopback.cnrname@invalid serial=0 | ||||||
NS for
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A121.40.163.2152026-07-12 → 2026-07-13 · 2 obs
● 2026-07-12 03:14:20
● 2026-07-13 09:20:12
● 2026-07-13 09:20:12
●A2408:4005:34c:2942:fedc:ba98:7654:32102026-07-12 → 2026-07-13 · 2 obs
● 2026-07-12 03:14:20
● 2026-07-13 09:20:12
● 2026-07-13 09:20:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| loopback.cn | ns1.loopback.cn, ns2.loopback.cn | 4 records |
✅ Authoritative Response
Server:121.40.163.215
NS records: ns1.loopback.cn, ns2.loopback.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for loopback.cn (unsigned zone)
⏱️ Timing
Total: 1130ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.163.215 |
| AAAA | 1 | 2408:4005:34c:2942:fedc:ba98:7654:3210 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.loopback.cn, ns1.loopback.cn, ns2.loopback.cn...)
Analysis
Name Server Role
The DNS delegation for loopback.cn includes ns2.loopback.cn as a name server.
It is common to find loopback.cn and ns1.loopback.cn serving as name servers together with ns2.loopback.cn.
IP Addresses
ns2.loopback.cn has two IP addresses: 121.40.163.215 and 2408:4005:34c:2942:fedc:ba98:7654:3210
Host names such as loopback.cn, ns1.loopback.cn and a.loopback.cn share their IP numbers with ns2.loopback.cn.