51educloud.com - robtex.com

51educloud.com

DNSSEC⚠️ Not signed
A139.159.224.46πŸ‡¨πŸ‡³ HWCSNET139.159.224.0/19 Huawei Clouds Guangzhou Region
PTRecs-139-159-224-46.compute.hwclouds-dns.com
NSdns9.hichina.com ⭐
A2408:4009:501::17πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.42πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-42.defastlink.net
A39.96.153.52πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-52.defastlink.net
A47.118.199.202πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-202.defastlink.net
A47.118.199.212πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-212.defastlink.net
A120.76.107.42πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-42.defastlink.net
A120.76.107.52πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-52.defastlink.net
A139.224.142.112πŸ‡¨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,
PTRip-139-224-142-112.defastlink.net
A139.224.142.122πŸ‡¨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,
PTRip-139-224-142-122.defastlink.net
NSdns10.hichina.com
A2408:4009:501::18πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.41πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-41.defastlink.net
A39.96.153.51πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-51.defastlink.net
A47.118.199.201πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-201.defastlink.net
A47.118.199.211πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-211.defastlink.net
A120.76.107.41πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-41.defastlink.net
A120.76.107.51πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-51.defastlink.net
A139.224.142.111πŸ‡¨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,
PTRip-139-224-142-111.defastlink.net
A139.224.142.121πŸ‡¨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,
PTRip-139-224-142-121.defastlink.net
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
PTRip-47-246-137-47.defastlink.net
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
SOAdns9.hichina.comhostmaster@hichina.com 2026-01-12 #9

com

Same first word

DNS History

5 records (5 active, 0 former)

2017201820192020202120222023202420252026NSdns10.hichina.comdns9.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA139.159.224.46
●NSdns10.hichina.com2016-12-16 β†’ 2026-03-22 Β· 2 obs
● 2016-12-16 04:02:08
● 2026-03-22 01:53:10
●NSdns9.hichina.com2016-12-16 β†’ 2026-03-22 Β· 2 obs
● 2016-12-16 04:02:08
● 2026-03-22 01:53:10
●MXmxn.mxhichina.com2016-12-16 β†’ 2026-03-22 Β· 2 obs
● 2016-12-16 04:02:08
● 2026-03-22 01:53:10
●MXmxw.mxhichina.com2016-12-16 β†’ 2026-03-22 Β· 2 obs
● 2016-12-16 04:02:08
● 2026-03-22 01:53:10
●A139.159.224.462026-03-08 β†’ 2026-03-22 Β· 2 obs
● 2026-03-08 19:43:26
● 2026-03-22 01:53:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
51educloud.comdns9.hichina.com, dns10.hichina.com18 records

βœ… Authoritative Response

Server: 120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3915ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1139.159.224.46
NS2dns10.hichina.com, dns9.hichina.com
MX2mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)
TXT1v=spf1 include:spf.mxhichina.com -all
SOA1dns9.hichina.com hostmaster.hichina.com

πŸ“Œ Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

51educloud.com maps to IP address 139.159.224.46.

Other host names, for example, 0898zlb.com share IP numbers with 51educloud.com.

Name Servers

Two name servers dns10.hichina.com and dns9.hichina.com are delegated to 51educloud.com.

51educloud.com uses the same name server configuration as other domains, such as ldkg.net, ucare.cn, mcfl.com.cn, sddu.cn and neobbq.cn.

51educloud.com at least partially shares name servers with other domains, including campedu.org, sxjbty.com and blnk.cn.

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

Two hosts with nine IPs each:

Host dns10.hichina.com points to 2408:4009:501::18, 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.

Host dns9.hichina.com points to 2408:4009:501::17, 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.

Mail Servers

Two mail servers handle 51educloud.com: mxn.mxhichina.com and mxw.mxhichina.com.

51educloud.com shares the same mail server setup as other domains, including rbchem.com, zjctr.com, datamind.tech, pcbequips.com and prolinktek.com.

51educloud.com shares mail servers with other domains at least in part, for instance cawm.cn, sh-more.com, newbeacon.com.cn, oasestea.com and bytcnc.net.

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

Host names by IP count:

Two IP numbers: The host name mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

One IP number: The host name mxw.mxhichina.com points to 47.246.99.195.