51ijob.com - robtex.com

51ijob.com

DNSSECโš ๏ธ Not signed
A47.100.7.94๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.100.0.0/15
NSdns3.hichina.com โญ
A2408:4009:501::11๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud2408:4009:501::/48
A39.96.153.43๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-43.defastlink.net
A39.96.153.63๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-63.defastlink.net
A47.118.199.203๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-203.defastlink.net
A47.118.199.213๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-213.defastlink.net
A120.76.107.43๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-43.defastlink.net
A120.76.107.63๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-63.defastlink.net
A139.224.142.113๐Ÿ‡จ๐Ÿ‡ณ 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-139-224-142-113.defastlink.net
A139.224.142.123๐Ÿ‡จ๐Ÿ‡ณ 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-139-224-142-123.defastlink.net
NSdns4.hichina.com
A2408:4009:501::12๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud2408:4009:501::/48
A39.96.153.44๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-44.defastlink.net
A39.96.153.54๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-54.defastlink.net
A47.118.199.204๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-204.defastlink.net
A47.118.199.214๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-214.defastlink.net
A120.76.107.44๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-44.defastlink.net
A120.76.107.54๐Ÿ‡จ๐Ÿ‡ณ Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-54.defastlink.net
A139.224.142.114๐Ÿ‡จ๐Ÿ‡ณ 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-139-224-142-114.defastlink.net
A139.224.142.124๐Ÿ‡จ๐Ÿ‡ณ 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-139-224-142-124.defastlink.net
MXmxbiz1.qq.com โญ
A203.205.147.218๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com(10)
A203.205.232.191๐Ÿ‡ญ๐Ÿ‡ฐ TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAdns3.hichina.comhostmaster@hichina.com 2026-01-09 #13

com

Subdomains

Same first word

DNS History

5 records (5 active, 0 former)

202120222023202420252026NSdns3.hichina.comdns4.hichina.comMXmxbiz1.qq.commxbiz2.qq.comA47.100.7.94
โ—NSdns3.hichina.com2020-03-04 โ†’ 2026-03-23 ยท 2 obs
โ— 2020-03-04 20:25:24
โ— 2026-03-23 09:07:20
โ—NSdns4.hichina.com2020-03-04 โ†’ 2026-03-23 ยท 2 obs
โ— 2020-03-04 20:25:24
โ— 2026-03-23 09:07:20
โ—MXmxbiz1.qq.com2026-02-16 โ†’ 2026-03-23 ยท 2 obs
โ— 2026-02-16 05:37:42
โ— 2026-03-23 09:07:20
โ—MXmxbiz2.qq.com2026-02-16 โ†’ 2026-03-23 ยท 2 obs
โ— 2026-02-16 05:37:42
โ— 2026-03-23 09:07:20
โ—A47.100.7.942026-02-16 โ†’ 2026-03-23 ยท 2 obs
โ— 2026-02-16 05:37:42
โ— 2026-03-23 09:07:20

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51ijob.comdns3.hichina.com, dns4.hichina.com18 records

โœ… Authoritative Response

Server:120.76.107.44

NS records: dns3.hichina.com, dns4.hichina.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

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

โฑ๏ธ Timing

Total: 3588ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A147.100.7.94
NS2dns3.hichina.com, dns4.hichina.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
SOA1dns3.hichina.com hostmaster.hichina.com

๐Ÿ“Œ Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

Hierarchy

The parent of ijob4.51ijob.com is 51ijob.com.

IP Addresses

51ijob.com points to IP number: 47.100.7.94.

Name Servers

51ijob.com is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.

51ijob.com shares the same name server setup as mixlink.com, purityevents.com, watchpg.com, 168303.com and esjh.cn.

51ijob.com partially shares its name servers with other domains, for example fhhda.online, gaoshan.net and mpvue.com.

These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.

Nine IP numbers per host:

dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

51ijob.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup for 51ijob.com matches that of other domains, for instance usbestone.com, hixsh.com, hnhtit.com, foshichu.com and yangguo.us.

51ijob.com shares at least partially some mail servers with other domains, including bdyr.com, jinyouapp.com, cfl.cn, xkyoa.com and zjhh119.com.

Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191. Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191. Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.