21tool.com - dns.ninja

21tool.com

DNSSEC⚠️ Not signed
A156.238.249.119🇺🇸 FASTNET-AS156.238.248.0/23
NSa7.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
NSb7.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=1772338321

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=1785976729

Same first word

21tool.com

Similar names

tool12.com

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma7.share-dns.comb.share-dns.netb7.share-dns.netdns1.hichina.comdns2.hichina.comhaley.ns.cloudflare.comkurt.ns.cloudflare.comMXmxn.mxhichina.commxw.mxhichina.comA156.238.249.119188.114.96.0188.114.97.0222.92.131.205223.255.37.92a06:98c1:3120::2a06:98c1:3121::
●NSa.share-dns.com2026-03-05 → 2026-08-06 · 3 obs
○ 2017-03-30 07:02:36
● 2026-03-05 02:12:48
● 2026-08-06 00:39:44
●NSa7.share-dns.com2026-03-05 → 2026-08-06 · 3 obs
○ 2017-03-30 07:02:36
● 2026-03-05 02:12:48
● 2026-08-06 00:39:44
●NSb.share-dns.net2026-03-05 → 2026-08-06 · 3 obs
○ 2017-03-30 07:02:36
● 2026-03-05 02:12:48
● 2026-08-06 00:39:44
●NSb7.share-dns.net2026-03-05 → 2026-08-06 · 3 obs
○ 2017-03-30 07:02:36
● 2026-03-05 02:12:48
● 2026-08-06 00:39:44
○NSdns1.hichina.com2015-05-23 → 2017-03-30 · 4 obs
● 2015-05-23 23:19:32
● 2017-03-30 07:02:36
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○NSdns2.hichina.com2015-05-23 → 2017-03-30 · 4 obs
● 2015-05-23 23:19:32
● 2017-03-30 07:02:36
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○NShaley.ns.cloudflare.com2026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○NSkurt.ns.cloudflare.com2026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○MXmxn.mxhichina.com2015-05-23 → 2017-03-30 · 4 obs
● 2015-05-23 23:19:32
● 2017-03-30 07:02:36
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○MXmxw.mxhichina.com2015-05-23 → 2017-03-30 · 4 obs
● 2015-05-23 23:19:32
● 2017-03-30 07:02:36
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
●A156.238.249.1192026-03-05 → 2026-08-06 · 3 obs
○ 2017-03-30 07:02:36
● 2026-03-05 02:12:48
● 2026-08-06 00:39:44
○A188.114.96.02026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○A188.114.97.02026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○A222.92.131.2052015-05-23 → 2015-10-22 · 4 obs
● 2015-05-23 23:19:32
● 2015-10-22 22:45:54
○ 2016-01-03 20:46:28
○ 2026-08-06 00:39:44
○A223.255.37.92016-01-03 → 2017-03-30 · 5 obs
○ 2015-10-22 22:45:54
● 2016-01-03 20:46:28
● 2017-03-30 07:02:36
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○A2a06:98c1:3120::2026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44
○A2a06:98c1:3121::2026-03-05 → 2026-08-06 · 2 obs
○ 2026-03-05 02:12:48
○ 2026-08-06 00:39:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21tool.comb7.share-dns.net, a7.share-dns.com1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

TypeCountSample Data
A1156.238.249.119
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 (a7.share-dns.com)

Analysis

IP Addresses

21tool.com resolves to just one IP address, 156.238.249.119.

The host names 0755yh.com, 318020.com, edancheng.com and 91pretty.com all share IP numbers with 21tool.com.

Name Servers

The NS records for 21tool.com point to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

21tool.com shares at least some of its name servers with other domains, including xfwg88.com, xiandianli.com, zzx163.com and two others.

These name servers are frequently seen alongside a1.share-dns.com, b1.share-dns.net, a10.share-dns.com and 7 other name servers.

a7.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b7.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.

Host names pointing to 172.64.53.25 IP addresses: a7.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239 IP addresses: b7.share-dns.net and b.share-dns.net.