51217.cn - robtex.com
51217.cn
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=2034780785 | ||||||
Same first word
51217.cn |
Similar names
DNS History
21 records (3 active, 18 former)
○NSdns1.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○NSdns2.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○NSdns3.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○NSdns4.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○NSdns5.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○NSdns6.iidns.com2015-05-20 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
●NSn1.xundns.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 16:52:46
● 2026-05-12 02:03:12
●NSn2.xundns.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 16:52:46
● 2026-05-12 02:03:12
○A104.160.182.1322016-12-01 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○A104.160.182.1352016-12-01 → 2016-12-01 · 4 obs
● 2016-12-01 23:05:16
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
●A107.163.82.382026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 16:52:46
● 2026-05-12 02:03:12
○A198.148.92.1572016-01-04 → 2016-01-04 · 4 obs
● 2016-01-04 23:44:28
○ 2016-04-08 12:32:08
○ 2026-05-12 02:03:12
○A198.148.92.1582016-01-04 → 2016-01-04 · 4 obs
● 2016-01-04 23:44:28
○ 2016-04-08 12:32:08
○ 2026-05-12 02:03:12
○A198.148.92.532015-05-20 → 2015-05-20 · 3 obs
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
○A198.148.92.542016-01-04 → 2016-01-04 · 4 obs
● 2016-01-04 23:44:28
○ 2016-04-08 12:32:08
○ 2026-05-12 02:03:12
○A198.148.92.562015-05-20 → 2016-04-08 · 4 obs
● 2016-04-08 12:32:08
○ 2016-12-01 23:05:16
○ 2026-05-12 02:03:12
○A198.148.92.572016-04-08 → 2016-04-08 · 4 obs
● 2016-04-08 12:32:08
○ 2016-12-01 23:05:16
○ 2026-05-12 02:03:12
○A198.148.92.582015-05-20 → 2016-04-08 · 4 obs
● 2016-04-08 12:32:08
○ 2016-12-01 23:05:16
○ 2026-05-12 02:03:12
○A198.148.92.622015-05-20 → 2015-05-20 · 3 obs
○ 2017-08-20 10:50:02
○ 2026-05-12 02:03:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn... | - |
| 51217.cn | n1.xundns.com, n2.xundns.com | - |
✅ Authoritative Response
Server:42.240.163.163
NS records: n1.xundns.com, n2.xundns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51217.cn (unsigned zone)
⏱️ Timing
Total: 4548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.163.82.38 |
| NS | 2 | n2.xundns.com, n1.xundns.com |
| SOA | 1 | n1.xundns.com nsadmin.xundns.com |
Analysis
IP Addresses
51217.cn resolves to a single IP address: 107.163.82.38.
Name Servers
51217.cn's delegation uses two name servers, n1.xundns.com and n2.xundns.com.
51217.cn shares the same name server setup as other domains, for example 2050jing.com, c9fce119506949d0.com, starkiwihk.com, a6936eec09dcd04e.com and bigcellphones.com.
51217.cn at least partially shares name servers with other domains, including elitemobileentertainment.com, maryland2000.org, 553333rr.cc, aa555bb999.com and hy8168.com.
these name servers are commonly used with v1s1.xundns.com, v1s2.xundns.com, s1.xundns.com and s2.xundns.com.
Host names with six IP numbers:
Host n2.xundns.com points to: 2408:8621:0:42:e401:813:0:25, 2408:8722:1801:10:4:611:6303:181, 2604:86c0:6001:8::a9c5:8e51, 61.163.30.181, 122.114.39.7 and 169.197.142.81.
Host names with five IP numbers:
Host n1.xundns.com points to: 2409:8c44:1b00:601:1:1110:609:6027, 2604:86c0:5001:11::2659:466b, 38.89.70.107, 42.240.163.163 and 111.6.96.27.