51crystal.com - robtex.com

51crystal.com

DNSSEC⚠️ Not signed
A47.99.219.190🇨🇳 Alibaba-Cloud47.98.0.0/15 Hangzhou Alibaba Advertising Co.,Ltd.
NSdns23.hichina.com ⭐
A2408:4009:501::31🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 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,
A139.224.142.110🇨🇳 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,
NSdns24.hichina.com
A2408:4009:501::32🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 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,
A139.224.142.108🇨🇳 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,
SOAdns23.hichina.comhostmaster@hichina.com 2026-01-09 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777438236

Subdomains

www.51crystal.com

Same first word

51crystal.com

Similar names

15crystal.cn

DNS History

13 records (3 active, 10 former)

200920112013201520172019202120232025NSdns23.hichina.comdns24.hichina.comns2.east.net.cnns2.orinet.netMXmx04.east.netmx05.east.netmx06.east.netA47.99.219.190111.92.233.163211.100.61.7447.91.170.222CNAME51crystal.u7.86sudu.net
○NS(root)2015-07-24 → 2016-02-27 · 5 obs
○ 2008-03-17 04:58:26
● 2015-07-24 17:01:38
● 2016-02-27 00:31:16
○ 2017-02-11 06:35:02
○ 2026-04-29 05:13:50
●NSdns23.hichina.com2018-11-28 → 2026-04-29 · 3 obs
○ 2017-02-11 06:35:02
● 2018-11-28 15:07:08
● 2026-04-29 05:13:50
●NSdns24.hichina.com2018-11-28 → 2026-04-29 · 3 obs
○ 2017-02-11 06:35:02
● 2018-11-28 15:07:08
● 2026-04-29 05:13:50
○NSns2.east.net.cn2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○NSns2.orinet.net2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○MXmx04.east.net2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○MXmx05.east.net2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○MXmx06.east.net2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○A111.92.233.1632015-07-24 → 2016-02-27 · 5 obs
○ 2008-03-17 04:58:26
● 2015-07-24 17:01:38
● 2016-02-27 00:31:16
○ 2017-02-11 06:35:02
○ 2026-04-29 05:13:50
○A211.100.61.742008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 04:58:26
○ 2015-07-24 17:01:38
○ 2026-04-29 05:13:50
○A47.91.170.2222018-11-28 → 2018-11-28 · 4 obs
○ 2017-02-11 06:35:02
● 2018-11-28 15:07:08
○ 2026-03-26 21:45:42
○ 2026-04-29 05:13:50
●A47.99.219.1902026-03-26 → 2026-04-29 · 3 obs
○ 2018-11-28 15:07:08
● 2026-03-26 21:45:42
● 2026-04-29 05:13:50
○CNAME51crystal.u7.86sudu.net2015-07-24 → 2016-02-27 · 5 obs
○ 2008-03-17 04:58:26
● 2015-07-24 17:01:38
● 2016-02-27 00:31:16
○ 2017-02-11 06:35:02
○ 2026-04-29 05:13:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...-
51crystal.comdns23.hichina.com, dns24.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51crystal.com (unsigned zone)

⏱️ Timing

Total: 569ms | Queries: -

📄 Records

TypeCountSample Data
A147.99.219.190
NS2dns23.hichina.com, dns24.hichina.com
SOA1dns23.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

Hierarchy

51crystal.com is the parent of www.51crystal.com.

IP Addresses

51crystal.com resolves to one IP number: 47.99.219.190.

Other host names such as cristal.cn and www.51crystal.com share IP numbers with 51crystal.com.

Name Servers

51crystal.com is delegated to two name servers dns23.hichina.com and dns24.hichina.com.

51crystal.com shares the same name server setup as other domains, for instance dvaco.cn, lnshijia.cn, beijianku.biz, shuaimaobiaoju.top and joyconn.com.

51crystal.com at least partially shares name servers with other domains, for instance xhxai.cn, funtechltd.com, chakaa.cn, wdbbk.com and ztuo.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Host names with nine IP numbers:

dns23.hichina.com points to: 2408:4009:501::31, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns24.hichina.com points to: 2408:4009:501::32, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.