21tch.com - dns.ninja

21tch.com

DNSSEC⚠️ Not signed
A154.91.110.154🇸🇨 TCLOUDNET154.91.110.0/24 Tcloudnet, Inc
NSa12.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
NSb12.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=1777548166

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=1785628337

Same first word

21tch.com

Similar names

c21th.cn
htc21.com
ht21c.net
21cht.com
tch12.com
htc21.co.kr

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma12.share-dns.comb.share-dns.netb12.share-dns.netdns10.hichina.comdns9.hichina.comns1.alidns.comns2.alidns.comA154.91.110.154112.126.15.190182.92.143.59
●NSa.share-dns.com2026-05-02 → 2026-08-01 · 3 obs
○ 2026-03-23 06:40:20
● 2026-05-02 09:29:44
● 2026-08-01 23:58:34
●NSa12.share-dns.com2026-05-02 → 2026-08-01 · 3 obs
○ 2026-03-23 06:40:20
● 2026-05-02 09:29:44
● 2026-08-01 23:58:34
●NSb.share-dns.net2026-05-02 → 2026-08-01 · 3 obs
○ 2026-03-23 06:40:20
● 2026-05-02 09:29:44
● 2026-08-01 23:58:34
●NSb12.share-dns.net2026-05-02 → 2026-08-01 · 3 obs
○ 2026-03-23 06:40:20
● 2026-05-02 09:29:44
● 2026-08-01 23:58:34
○NSdns10.hichina.com2015-06-21 → 2017-05-17 · 4 obs
● 2015-06-21 22:49:24
● 2017-05-17 13:56:18
○ 2026-02-24 11:49:40
○ 2026-08-01 23:58:34
○NSdns9.hichina.com2015-06-21 → 2017-05-17 · 4 obs
● 2015-06-21 22:49:24
● 2017-05-17 13:56:18
○ 2026-02-24 11:49:40
○ 2026-08-01 23:58:34
○NSns1.alidns.com2026-02-24 → 2026-03-23 · 5 obs
○ 2017-05-17 13:56:18
● 2026-02-24 11:49:40
● 2026-03-23 06:40:20
○ 2026-05-02 09:29:44
○ 2026-08-01 23:58:34
○NSns2.alidns.com2026-02-24 → 2026-03-23 · 5 obs
○ 2017-05-17 13:56:18
● 2026-02-24 11:49:40
● 2026-03-23 06:40:20
○ 2026-05-02 09:29:44
○ 2026-08-01 23:58:34
○A112.126.15.1902015-06-21 → 2016-07-24 · 4 obs
● 2015-06-21 22:49:24
● 2016-07-24 08:29:36
○ 2017-05-17 13:56:18
○ 2026-08-01 23:58:34
●A154.91.110.1542026-02-24 → 2026-08-01 · 3 obs
○ 2017-05-17 13:56:18
● 2026-02-24 11:49:40
● 2026-08-01 23:58:34
○A182.92.143.592017-05-17 → 2017-05-17 · 4 obs
○ 2016-07-24 08:29:36
● 2017-05-17 13:56:18
○ 2026-02-24 11:49:40
○ 2026-08-01 23:58:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21tch.comb12.share-dns.net, a12.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b12.share-dns.net, a12.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21tch.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

TypeCountSample Data
A1154.91.110.154
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 (a12.share-dns.com)

Analysis

IP Addresses

21tch.com points to a single IP number: 154.91.110.154.

Further host names like wenshen77.com and www.wenshen77.com overlap in IP numbers with 21tch.com.

Name Servers

21tch.com has four authoritative name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

There is at least partial name server overlap between 21tch.com and other domains — lezuwan.com, hnzhdt.com, huisanpay.com and two more among them.

These name servers regularly appear alongside a9.share-dns.com, b9.share-dns.net, a10.share-dns.com and 7 other name servers in NS record sets.

a12.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b12.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

Both a12.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.

Both b12.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.