51yj.com - robtex.com
51yj.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns31.hichina.com ⭐ | ||||||
| A | 2408:4009:501::39🇨🇳 AS379632408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 AS3796339.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 AS3796339.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 AS3796347.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 AS3796347.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 AS37963120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 AS37963120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 AS37963139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.109🇨🇳 AS37963139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns32.hichina.com | ||||||
| A | 2408:4009:501::40🇨🇳 AS379632408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 AS3796339.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 AS3796339.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 AS3796347.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 AS3796347.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 AS37963120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 AS37963120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 AS37963139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.107🇨🇳 AS37963139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | dns31.hichina.comhostmaster@hichina.com 2026-01-26 #8 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778716136 | ||||||
Similar names
DNS History
12 records (2 active, 10 former)
○NSdns.bizcn.com2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 13:38:12
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○NSdns.cnmsn.net2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 13:38:12
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
●NSdns31.hichina.com2026-05-13 → 2026-05-13 · 3 obs
○ 2015-07-01 17:53:24
● 2026-05-13 23:59:12
● 2026-05-13 23:59:14
● 2026-05-13 23:59:12
● 2026-05-13 23:59:14
●NSdns32.hichina.com2026-05-13 → 2026-05-13 · 3 obs
○ 2015-07-01 17:53:24
● 2026-05-13 23:59:12
● 2026-05-13 23:59:14
● 2026-05-13 23:59:12
● 2026-05-13 23:59:14
○MXmail.51yj.com2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 13:38:12
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○MXmail.skrimple.com2015-07-01 → 2016-11-18 · 5 obs
○ 2008-03-18 13:38:12
● 2015-07-01 17:53:24
● 2016-11-18 23:15:34
○ 2026-05-13 23:59:12
○ 2026-05-13 23:59:14
● 2015-07-01 17:53:24
● 2016-11-18 23:15:34
○ 2026-05-13 23:59:12
○ 2026-05-13 23:59:14
○A103.232.215.1382019-02-14 → 2019-02-14 · 4 obs
○ 2016-11-18 23:15:34
● 2019-02-14 15:03:00
○ 2026-05-13 23:59:12
○ 2026-05-13 23:59:14
● 2019-02-14 15:03:00
○ 2026-05-13 23:59:12
○ 2026-05-13 23:59:14
○A103.51.144.812016-11-18 → 2016-11-18 · 4 obs
○ 2016-02-29 12:42:24
● 2016-11-18 23:15:34
○ 2019-02-14 15:03:00
○ 2026-05-13 23:59:14
● 2016-11-18 23:15:34
○ 2019-02-14 15:03:00
○ 2026-05-13 23:59:14
○A162.218.54.422015-07-01 → 2015-07-01 · 4 obs
○ 2008-03-18 13:38:12
● 2015-07-01 17:53:24
○ 2015-11-11 19:48:24
○ 2026-05-13 23:59:14
● 2015-07-01 17:53:24
○ 2015-11-11 19:48:24
○ 2026-05-13 23:59:14
○A198.12.15.2442015-07-01 → 2015-07-01 · 4 obs
○ 2008-03-18 13:38:12
● 2015-07-01 17:53:24
○ 2015-11-11 19:48:24
○ 2026-05-13 23:59:14
● 2015-07-01 17:53:24
○ 2015-11-11 19:48:24
○ 2026-05-13 23:59:14
○A218.30.103.2012008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 13:38:12
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○ 2015-07-01 17:53:24
○ 2026-05-13 23:59:14
○A65.19.157.2352015-11-11 → 2016-02-29 · 5 obs
○ 2015-07-01 17:53:24
● 2015-11-11 19:48:24
● 2016-02-29 12:42:24
○ 2016-11-18 23:15:34
○ 2026-05-13 23:59:14
● 2015-11-11 19:48:24
● 2016-02-29 12:42:24
○ 2016-11-18 23:15:34
○ 2026-05-13 23:59:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net... | - |
| 51yj.com | dns31.hichina.com, dns32.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.37
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51yj.com (unsigned zone)
⏱️ Timing
Total: 2686ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns31.hichina.com, dns32.hichina.com |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)
Analysis
Name Servers
51yj.com's delegation is to two name servers dns31.hichina.com and dns32.hichina.com.
Host names with nine IP numbers:
dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.