u216.cn - robtex.com
u216.cn
| CNAME | tc217-site01.mac-cdn.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
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=2034661398 | ||||||
Same first word
u216.cn |
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.dnspai.com2020-02-14 → 2020-02-14 · 2 obs
● 2020-02-14 22:33:04
○ 2026-04-12 06:17:58
○ 2026-04-12 06:17:58
●NSns1.julydns.com2026-04-12 → 2026-04-12 · 2 obs
○ 2020-02-14 22:33:04
● 2026-04-12 06:17:58
● 2026-04-12 06:17:58
○NSns2.dnspai.com2020-02-14 → 2020-02-14 · 2 obs
● 2020-02-14 22:33:04
○ 2026-04-12 06:17:58
○ 2026-04-12 06:17:58
●NSns2.julydns.com2026-04-12 → 2026-04-12 · 2 obs
○ 2020-02-14 22:33:04
● 2026-04-12 06:17:58
● 2026-04-12 06:17:58
○A172.107.186.42020-02-14 → 2020-02-14 · 2 obs
● 2020-02-14 22:33:04
○ 2026-04-12 06:17:58
○ 2026-04-12 06:17:58
●CNAMEtc217-site01.mac-cdn.net2026-04-12 → 2026-04-12 · 1 obs
● 2026-04-12 06:17:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| u216.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 u216.cn (unsigned zone)
⏱️ Timing
Total: 1628ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| CNAME | 1 | tc217-site01.mac-cdn.net |
| SOA | 1 | ns1.julydns.com master.jmdns.com |