czh-labs.com - robtex.com
czh-labs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.18.8.146Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| 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 | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object | ||||||
| PTR | reachsmartdwell.com | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| SOA | dns13.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=1777257721 | ||||||
Same first word
czh-labs.com |
DNS History
12 records (5 active, 7 former)
○NSdns10.hichina.com2016-12-19 → 2016-12-19 · 3 obs
○ 2019-04-03 22:22:28
○ 2026-04-27 03:10:50
●NSdns13.hichina.com2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 10:55:46
● 2026-04-27 03:10:50
●NSdns14.hichina.com2026-02-16 → 2026-04-27 · 3 obs
● 2026-02-16 10:55:46
● 2026-04-27 03:10:50
○NSdns9.hichina.com2016-12-19 → 2016-12-19 · 3 obs
○ 2019-04-03 22:22:28
○ 2026-04-27 03:10:50
○NSvip1.alidns.com2019-04-03 → 2019-04-03 · 4 obs
● 2019-04-03 22:22:28
○ 2026-02-16 10:55:46
○ 2026-04-27 03:10:50
○NSvip2.alidns.com2019-04-03 → 2019-04-03 · 4 obs
● 2019-04-03 22:22:28
○ 2026-02-16 10:55:46
○ 2026-04-27 03:10:50
●MXmxn.mxhichina.com2026-02-16 → 2026-04-27 · 2 obs
● 2026-04-27 03:10:50
●MXmxw.mxhichina.com2026-02-16 → 2026-04-27 · 2 obs
● 2026-04-27 03:10:50
●A104.18.8.1462026-04-27 → 2026-04-27 · 3 obs
● 2026-04-27 03:10:48
● 2026-04-27 03:10:50
○A162.144.199.402016-12-19 → 2016-12-19 · 3 obs
○ 2019-04-03 22:22:28
○ 2026-04-27 03:10:50
○A47.88.12.2012026-02-16 → 2026-02-23 · 5 obs
● 2026-02-16 10:55:46
● 2026-02-23 12:31:36
○ 2026-04-27 03:10:48
○ 2026-04-27 03:10:50
○A47.88.60.202019-04-03 → 2019-04-03 · 4 obs
● 2019-04-03 22:22:28
○ 2026-02-16 10:55:46
○ 2026-04-27 03:10:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| czh-labs.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for czh-labs.com (unsigned zone)
⏱️ Timing
Total: 557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.18.8.146 |
| NS | 2 | dns13.hichina.com, dns14.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.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
czh-labs.com resolves to one IP number: 104.18.8.146.
other host names including replicasjersey.com, betterjean.com, www.gundamit.com, shineheating.com and facaishen.net share IP numbers with czh-labs.com.
Name Servers
czh-labs.com is delegated to two name servers dns13.hichina.com and dns14.hichina.com.
czh-labs.com shares the same name server setup as other domains, for instance swzx.com.cn, sussin.net, tengbo.cc, lihuachina.com and haowugou.com.
czh-labs.com at least partially shares name servers with other domains, for instance pikapi.org, 4006.com.cn, jydbuildingmaterials.com, rhxx.com and go-cart.cn.
These name servers are commonly used alongside 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
Two mail servers handle czh-labs.com: mxn.mxhichina.com and mxw.mxhichina.com.
czh-labs.com shares the same mail server setup as other domains, for instance niuinfo.com, okea.net, vcforest.com, soonvo.com and shinegene.org.cn.
czh-labs.com shares some mail servers with other domains, at least partially, for instance teisyutech.com, 12590.net, nishikawasangyo.cn, xinseo.net and 365tech.cn.
Two IP numbers for a host: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.
One IP number for a host: mxw.mxhichina.com points to 47.246.99.195.