kankexue.com - robtex.com

kankexue.com

DNSSEC⚠️ Not signed
A156.240.219.220🇭🇰 TCLOUDNET156.240.219.0/24 Tcloudnet, Inc
NSa4.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb4.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1753768589

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=1778588666

Subdomains

www.kankexue.com

Same first word

kankexue.com

DNS History

8 records (5 active, 3 former)

2017201820192020202120222023202420252026NSa.share-dns.coma4.share-dns.comb.share-dns.netb4.share-dns.netdns10.hichina.comdns9.hichina.comA156.240.219.220222.195.70.88
●NSa.share-dns.com2026-03-28 → 2026-05-12 · 3 obs
○ 2016-12-17 03:30:36
● 2026-03-28 20:26:26
● 2026-05-12 12:31:12
●NSa4.share-dns.com2026-03-28 → 2026-05-12 · 3 obs
○ 2016-12-17 03:30:36
● 2026-03-28 20:26:26
● 2026-05-12 12:31:12
●NSb.share-dns.net2026-03-28 → 2026-05-12 · 3 obs
○ 2016-12-17 03:30:36
● 2026-03-28 20:26:26
● 2026-05-12 12:31:12
●NSb4.share-dns.net2026-03-28 → 2026-05-12 · 3 obs
○ 2016-12-17 03:30:36
● 2026-03-28 20:26:26
● 2026-05-12 12:31:12
○NSdns10.hichina.com2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 03:30:36
○ 2026-03-28 20:26:26
○ 2026-05-12 12:31:12
○NSdns9.hichina.com2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 03:30:36
○ 2026-03-28 20:26:26
○ 2026-05-12 12:31:12
●A156.240.219.2202026-03-28 → 2026-05-12 · 3 obs
○ 2016-12-17 03:30:36
● 2026-03-28 20:26:26
● 2026-05-12 12:31:12
○A222.195.70.882016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 03:30:36
○ 2026-03-28 20:26:26
○ 2026-05-12 12:31:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...-
kankexue.comb4.share-dns.net, a4.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kankexue.com (unsigned zone)

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

TypeCountSample Data
A1156.240.219.220
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a4.share-dns.com)

Analysis

Hierarchy

www.kankexue.com is a child of kankexue.com.

IP Addresses

kankexue.com resolves to one IP number: 156.240.219.220.

Other host names, for example www.kankexue.com, share IP numbers with kankexue.com.

Name Servers

kankexue.com delegates to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

kankexue.com at least partially shares name servers with other domains, including 887z.click, qhhic.cn, sinotradeonline.com, e5ba1b24419c541a.com and yizblog.com.

These name servers are commonly used with a12.share-dns.com, b12.share-dns.net, a8.share-dns.com, b8.share-dns.net, a7.share-dns.com, b7.share-dns.net, a11.share-dns.com, b11.share-dns.net, a6.share-dns.com and b6.share-dns.net.

Host names with one IP number:

a4.share-dns.com and a.share-dns.com point to 172.64.53.25.

b4.share-dns.net and b.share-dns.net point to 172.64.52.239.

Host names that point to 172.64.53.25: a4.share-dns.com and a.share-dns.com.

Host names that point to 172.64.52.239: b4.share-dns.net and b.share-dns.net.