core-leader.com - robtex.com

core-leader.com

DNSSEC⚠️ Not signed
NSdns29.hichina.com ⭐
A2408:4009:501::37🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.99🇨🇳 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,
A139.224.142.109🇨🇳 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,
NSdns30.hichina.com
A2408:4009:501::38🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.102🇨🇳 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,
A139.224.142.107🇨🇳 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,
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
TXTv=spf1 include:spf.mxhichina.com -all
SOAdns29.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=1774587847

Same first word

core-leader.com

DNS History

8 records (4 active, 4 former)

20192020202120222023202420252026NSdns29.hichina.comdns30.hichina.comvip1.alidns.comvip2.alidns.comMXmxbiz1.qq.commxbiz2.qq.commxn.mxhichina.commxw.mxhichina.com
●NSdns29.hichina.com2026-03-17 → 2026-03-27 · 3 obs
○ 2018-08-16 18:56:36
● 2026-03-17 17:14:44
● 2026-03-27 05:27:02
●NSdns30.hichina.com2026-03-17 → 2026-03-27 · 3 obs
○ 2018-08-16 18:56:36
● 2026-03-17 17:14:44
● 2026-03-27 05:27:02
○NSvip1.alidns.com2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 18:56:36
○ 2026-03-17 17:14:44
○ 2026-03-27 05:27:02
○NSvip2.alidns.com2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 18:56:36
○ 2026-03-17 17:14:44
○ 2026-03-27 05:27:02
●MXmxbiz1.qq.com2026-03-17 → 2026-03-27 · 3 obs
○ 2018-08-16 18:56:36
● 2026-03-17 17:14:44
● 2026-03-27 05:27:02
●MXmxbiz2.qq.com2026-03-17 → 2026-03-27 · 3 obs
○ 2018-08-16 18:56:36
● 2026-03-17 17:14:44
● 2026-03-27 05:27:02
○MXmxn.mxhichina.com2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 18:56:36
○ 2026-03-17 17:14:44
○ 2026-03-27 05:27:02
○MXmxw.mxhichina.com2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 18:56:36
○ 2026-03-17 17:14:44
○ 2026-03-27 05:27:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...-
core-leader.comdns29.hichina.com, dns30.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-leader.com (unsigned zone)

⏱️ Timing

Total: 1750ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns29.hichina.com, dns30.hichina.com
MX2mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)
TXT2v=spf1 include:spf.mail.qq.com ~all, v=spf1 include:spf.mxhichina.com -all
SOA1dns29.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)

Analysis

Name Servers

core-leader.com is delegated to two name servers: dns29.hichina.com and dns30.hichina.com.

core-leader.com uses the same name server setup as other domains, including zhgdz.cn, fotoall.cn, mongda.com, yexiongmao.com and jlpan.com.

core-leader.com partially shares name servers with other domains, for instance ganfan.com, qftp.com, zmedia.net and gzsc.net.cn.

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

Host names with nine IP numbers:

dns29.hichina.com points to: 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns30.hichina.com points to: 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

core-leader.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

core-leader.com uses the same mail server setup as other domains, for instance dingyi-machinery.com, hst.com, chaojidun.com, jiandabj.com and seabright.cn.

core-leader.com shares at least some mail servers with other domains, for example zspa.com.cn, jindashen.cn, nvje.com, nca.cn and reflink.cn.