engineeringmechanics.cn - robtex.com

engineeringmechanics.cn

DNSSEC⚠️ Not signed
A182.92.203.92πŸ‡¨πŸ‡³ Alibaba-Cloud182.92.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns21.hichina.com ⭐
A2408:4009:501::29πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.40πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.60πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.100πŸ‡¨πŸ‡³ 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,
A139.224.142.110πŸ‡¨πŸ‡³ 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,
NSdns22.hichina.com
A2408:4009:501::30πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.38πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.61πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.98πŸ‡¨πŸ‡³ 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,
A139.224.142.108πŸ‡¨πŸ‡³ 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,
MXmxn.mxhichina.com ⭐
A47.246.136.231πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
A47.246.137.47πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmxw.mxhichina.com(10)
A47.246.99.195πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.96.0/22 Proxy-registered route object
PTRreachsmartdwell.com
TXTv=spf1 include:spf.mxhichina.com -all
SOAdns21.hichina.comhostmaster@hichina.com 2026-01-12 #9

cn

DNSSECπŸ”’ Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034602472

Same first word

DNS History

5 records (5 active, 0 former)

NSdns21.hichina.comdns22.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA182.92.203.92
●NSdns21.hichina.com2026-02-20 β†’ 2026-03-29 Β· 2 obs
● 2026-02-20 08:49:04
● 2026-03-29 02:18:16
●NSdns22.hichina.com2026-02-20 β†’ 2026-03-29 Β· 2 obs
● 2026-02-20 08:49:04
● 2026-03-29 02:18:16
●MXmxn.mxhichina.com2026-02-20 β†’ 2026-03-29 Β· 2 obs
● 2026-02-20 08:49:04
● 2026-03-29 02:18:16
●MXmxw.mxhichina.com2026-02-20 β†’ 2026-03-29 Β· 2 obs
● 2026-02-20 08:49:04
● 2026-03-29 02:18:16
●A182.92.203.922026-02-20 β†’ 2026-03-29 Β· 2 obs
● 2026-02-20 08:49:04
● 2026-03-29 02:18:16

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn...-
engineeringmechanics.cndns21.hichina.com, dns22.hichina.com-

βœ… Authoritative Response

Server:139.224.142.98

NS records: dns21.hichina.com, dns22.hichina.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringmechanics.cn (unsigned zone)

⏱️ Timing

Total: 1146ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1182.92.203.92
NS2dns21.hichina.com, dns22.hichina.com
MX2mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)
TXT1v=spf1 include:spf.mxhichina.com -all
SOA1dns21.hichina.com hostmaster.hichina.com

Analysis

IP Addresses

engineeringmechanics.cn points to IP number: 182.92.203.92.

Other host names such as xn--tfro8rz3bty1c.cn, hyxbocean.cn and gongchenglixue.cn share IP numbers with engineeringmechanics.cn.

Name Servers

engineeringmechanics.cn is delegated to two name servers: dns21.hichina.com and dns22.hichina.com.

engineeringmechanics.cn shares the same name server setup as atmuseum.cn, landysoft.cn, ytsing.com, zyznkj.com.cn and jampman.com.

engineeringmechanics.cn shares some name servers with other domains, for instance zunhand.top.

Nine IP numbers per host:

dns21.hichina.com points to: 2408:4009:501::29, 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.

dns22.hichina.com points to: 2408:4009:501::30, 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.

Mail Servers

engineeringmechanics.cn is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

The mail server setup for engineeringmechanics.cn matches that of other domains, for instance estway.com, hybirdresources.com, djsensor.com, lr365.cn and 3122.cn.

engineeringmechanics.cn shares at least partially some mail servers with other domains, including buluoguanjia.com, airmotor.com.cn, virzz.com, c-e-g.com.cn and chta.com.cn.

these mail servers are often used together with mail servers mxbiz1.qq.com, mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host names with two IP numbers:

mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Host names with one IP number:

mxw.mxhichina.com points to 47.246.99.195.