51ddkan.com - robtex.com
51ddkan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.40.184.139🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| NS | dns13.hichina.com ⭐ | ||||||
| A | 2408:4009:501::21🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.122🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns14.hichina.com | ||||||
| A | 2408:4009:501::22🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.121🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns13.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=1778542686 | ||||||
Same first word
51ddkan.com |
DNS History
7 records (5 active, 2 former)
●NSdns13.hichina.com2026-02-24 → 2026-05-12 · 3 obs
● 2026-02-24 06:46:08
● 2026-05-12 00:00:26
●NSdns14.hichina.com2026-02-24 → 2026-05-12 · 3 obs
● 2026-02-24 06:46:08
● 2026-05-12 00:00:26
○NSvip1.alidns.com2017-02-09 → 2018-09-10 · 4 obs
● 2018-09-10 19:36:28
○ 2026-02-24 06:46:08
○ 2026-05-12 00:00:26
○NSvip2.alidns.com2017-02-09 → 2018-09-10 · 4 obs
● 2018-09-10 19:36:28
○ 2026-02-24 06:46:08
○ 2026-05-12 00:00:26
●A121.40.184.1392017-02-09 → 2026-05-12 · 2 obs
● 2026-05-12 00:00:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net... | - |
| 51ddkan.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ddkan.com (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.184.139 |
| NS | 2 | dns13.hichina.com, dns14.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 1) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns13.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)
Analysis
IP Addresses
51ddkan.com points to a single IP number: 121.40.184.139.
Name Servers
51ddkan.com is delegated to two name servers: dns13.hichina.com and dns14.hichina.com.
51ddkan.com uses the same name server setup as other domains, for instance idealjs.com, dobomb.com, chinesepvb.com, ecnstar.com and lengsr.com.
51ddkan.com shares name servers with other domains at least partially, for instance eqsl.cn, zevo.cc, igrok.cn, fpvyga.cn and szaii.com.
these name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns13.hichina.com points to 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122; dns14.hichina.com points to 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
51ddkan.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
51ddkan.com shares the same mail server setup as other domains, including umakelectronics.com, xinruiran.com, ppdm.us, luezhi.com and sssreagent.com.
51ddkan.com shares some mail servers with other domains, including chikiigame.com, szkirin.com and tipscat.net.