21data.com - dns.ninja

21data.com

DNSSEC⚠️ Not signed
A124.220.174.216🇨🇳 TENCENT-NET-AP124.220.128.0/18
NSa.dnspod.com ⭐
A43.130.172.75🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.134.249.74🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A101.227.168.75🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
A117.135.128.175🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)
NSb.dnspod.com
A43.161.3.75🇮🇳 TENCENT-NET-AP-CN43.161.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A163.177.5.79🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
A220.196.136.75🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
NSc.dnspod.com
A43.134.249.75🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A112.80.181.175🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A125.94.59.175🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
SOAa.dnspod.comdomainadmin@dnspod.com serial=1742751985

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=1781885130

Subdomains

ns18.21data.com

Same first word

21data.io
21data.de
21data.com
21data.net

Similar names

12data.com
data21.net
data21.io
data21.com
data21.org
data21.de

DNS History

27 records (4 active, 23 former)

20162017201820192020202120222023202420252026NSa.dnspod.comb.dnspod.comc.dnspod.comdns101.registrar-servers.comdns102.registrar-servers.comns1.21data.comns2.21data.comns3.21data.comns4.21data.comor.earth.orderbox-dns.comor.mars.orderbox-dns.comor.mercury.orderbox-dns.comor.venus.orderbox-dns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commx.plingest.comourui.hkus2.mx1.mailhostbox.comus2.mx2.mailhostbox.comus2.mx3.mailhostbox.comA124.220.174.216172.234.24.211172.239.57.117211.149.218.109
●NSa.dnspod.com2026-02-19 → 2026-06-19 · 7 obs
○ 2017-10-03 14:07:28
● 2026-02-19 08:25:00
● 2026-03-13 20:21:36
○ 2026-03-17 05:00:48
○ 2026-03-27 13:57:18
● 2026-03-27 21:41:30
● 2026-06-19 16:23:20
●NSb.dnspod.com2026-02-19 → 2026-06-19 · 7 obs
○ 2017-10-03 14:07:28
● 2026-02-19 08:25:00
● 2026-03-13 20:21:36
○ 2026-03-17 05:00:48
○ 2026-03-27 13:57:18
● 2026-03-27 21:41:30
● 2026-06-19 16:23:20
●NSc.dnspod.com2026-02-19 → 2026-06-19 · 7 obs
○ 2017-10-03 14:07:28
● 2026-02-19 08:25:00
● 2026-03-13 20:21:36
○ 2026-03-17 05:00:48
○ 2026-03-27 13:57:18
● 2026-03-27 21:41:30
● 2026-06-19 16:23:20
○NSdns101.registrar-servers.com2026-03-17 → 2026-03-27 · 5 obs
○ 2026-03-13 20:21:36
● 2026-03-17 05:00:48
● 2026-03-27 13:57:18
○ 2026-03-27 21:41:30
○ 2026-06-19 16:23:20
○NSdns102.registrar-servers.com2026-03-17 → 2026-03-27 · 5 obs
○ 2026-03-13 20:21:36
● 2026-03-17 05:00:48
● 2026-03-27 13:57:18
○ 2026-03-27 21:41:30
○ 2026-06-19 16:23:20
○NSns1.21data.com2015-09-02 → 2016-12-05 · 4 obs
● 2015-09-02 20:05:14
● 2016-12-05 13:23:50
○ 2017-10-03 14:07:28
○ 2026-06-19 16:23:20
○NSns2.21data.com2015-09-02 → 2016-12-05 · 4 obs
● 2015-09-02 20:05:14
● 2016-12-05 13:23:50
○ 2017-10-03 14:07:28
○ 2026-06-19 16:23:20
○NSns3.21data.com2015-09-02 → 2016-12-05 · 4 obs
● 2015-09-02 20:05:14
● 2016-12-05 13:23:50
○ 2017-10-03 14:07:28
○ 2026-06-19 16:23:20
○NSns4.21data.com2015-09-02 → 2016-12-05 · 4 obs
● 2015-09-02 20:05:14
● 2016-12-05 13:23:50
○ 2017-10-03 14:07:28
○ 2026-06-19 16:23:20
○NSor.earth.orderbox-dns.com2017-10-03 → 2017-10-03 · 4 obs
○ 2016-12-05 13:23:50
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○NSor.mars.orderbox-dns.com2017-10-03 → 2017-10-03 · 4 obs
○ 2016-12-05 13:23:50
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○NSor.mercury.orderbox-dns.com2017-10-03 → 2017-10-03 · 4 obs
○ 2016-12-05 13:23:50
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○NSor.venus.orderbox-dns.com2017-10-03 → 2017-10-03 · 4 obs
○ 2016-12-05 13:23:50
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXalt1.aspmx.l.google.com2016-04-26 → 2017-10-03 · 5 obs
○ 2016-04-16 18:37:44
● 2016-04-26 10:17:44
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXalt2.aspmx.l.google.com2016-04-26 → 2017-10-03 · 5 obs
○ 2016-04-16 18:37:44
● 2016-04-26 10:17:44
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXaspmx.l.google.com2016-04-26 → 2017-10-03 · 5 obs
○ 2016-04-16 18:37:44
● 2016-04-26 10:17:44
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXaspmx2.googlemail.com2016-04-26 → 2017-10-03 · 5 obs
○ 2016-04-16 18:37:44
● 2016-04-26 10:17:44
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXaspmx3.googlemail.com2016-04-26 → 2017-10-03 · 5 obs
○ 2016-04-16 18:37:44
● 2016-04-26 10:17:44
● 2017-10-03 14:07:28
○ 2026-02-19 08:25:00
○ 2026-06-19 16:23:20
○MXmx.plingest.com2026-03-17 → 2026-03-27 · 5 obs
○ 2026-02-19 08:25:00
● 2026-03-17 05:00:48
● 2026-03-27 13:57:18
○ 2026-03-27 21:41:30
○ 2026-06-19 16:23:20
○MXourui.hk2015-10-17 → 2016-04-16 · 5 obs
○ 2015-09-02 20:05:14
● 2015-10-17 19:02:24
● 2016-04-16 18:37:44
○ 2016-04-26 10:17:44
○ 2026-06-19 16:23:20
○MXus2.mx1.mailhostbox.com2015-09-02 → 2015-09-02 · 3 obs
● 2015-09-02 20:05:14
○ 2015-10-17 19:02:24
○ 2026-06-19 16:23:20
○MXus2.mx2.mailhostbox.com2015-09-02 → 2015-09-02 · 3 obs
● 2015-09-02 20:05:14
○ 2015-10-17 19:02:24
○ 2026-06-19 16:23:20
○MXus2.mx3.mailhostbox.com2015-09-02 → 2015-09-02 · 3 obs
● 2015-09-02 20:05:14
○ 2015-10-17 19:02:24
○ 2026-06-19 16:23:20
●A124.220.174.2162026-02-19 → 2026-06-19 · 7 obs
○ 2016-03-21 14:35:22
● 2026-02-19 08:25:00
● 2026-03-13 20:21:36
○ 2026-03-17 05:00:48
○ 2026-03-27 13:57:18
● 2026-03-27 21:41:30
● 2026-06-19 16:23:20
○A172.234.24.2112026-03-17 → 2026-03-27 · 5 obs
○ 2026-03-13 20:21:36
● 2026-03-17 05:00:48
● 2026-03-27 13:57:18
○ 2026-03-27 21:41:30
○ 2026-06-19 16:23:20
○A172.239.57.1172026-03-17 → 2026-03-27 · 5 obs
○ 2026-03-13 20:21:36
● 2026-03-17 05:00:48
● 2026-03-27 13:57:18
○ 2026-03-27 21:41:30
○ 2026-06-19 16:23:20
○A211.149.218.1092015-09-02 → 2016-02-12 · 4 obs
● 2015-09-02 20:05:14
● 2016-02-12 17:43:32
○ 2016-03-21 14:35:22
○ 2026-06-19 16:23:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21data.coma.dnspod.com, b.dnspod.com, c.dnspod.com10 records

✅ Authoritative Response

Server:112.80.181.175

NS records: a.dnspod.com, b.dnspod.com, c.dnspod.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3538ms | Queries: -

📄 Records

TypeCountSample Data
A1124.220.174.216
NS3b.dnspod.com, c.dnspod.com...
SOA1a.dnspod.com domainadmin.dnspod.com

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dnspod.com, a.dnspod.com, a.dnspod.com...)

Analysis

Hierarchy

ns18.21data.com is a subdomain of 21data.com.

IP Addresses

21data.com has exactly one IP address — 124.220.174.216.

Name Servers

21data.com carries NS records delegating to a.dnspod.com, b.dnspod.com and c.dnspod.com.

The name servers of 21data.com overlap at least partially with those of other domains — among them nnbnjmyv15.icu, ht155.com, blr937.com and two more.

These name servers commonly appear in combination with the name servers f1g1ns1.dnspod.net.

Host names with four IP addresses:

a.dnspod.com resolves to 43.130.172.75, 43.134.249.74, 101.227.168.75 and 117.135.128.175.

Host names carrying three IP numbers:

The hostname b.dnspod.com points to 43.161.3.75, 163.177.5.79 and 220.196.136.75.

The hostname c.dnspod.com points to 43.134.249.75, 112.80.181.175 and 125.94.59.175.