21com.com - dns.ninja

`21com.com`

DNSSEC	⚠️ Not signed
A	208.91.197.27^{🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object}
NS	`ns89.worldnic.com` ⭐
		A	162.159.26.131^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns90.worldnic.com`
		A	162.159.27.117^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`NS89.WORLDNIC.com`namehost@WORLDNIC.com serial=120060109

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783708182

Subdomains

ns2.21com.com

ns.21com.com

ns4.21com.com

imap.21com.com

mailtest.21com.com

Same first word

21com.ru

21com.net

21com.com

Similar names

2mco1.com

21cmo.com

12com.org

com21.com

12com.pl

com21.com.br

m21co.com

mco21.ru

2com1.net

21cmo.com.cn

com21.co.jp

1com2.com

com12.com.br

21cmo.net

com21.jp

com21.or.jp

2com1.com

com12.ru

com21.co.uk

com12.com

moc12.com

cmo21.com

12com.com

com21.de

com12.nl

com21.co.ke

com21.cn

2com1.de

DNS History

11 records (5 active, 6 former)

○NSns.21com.com2015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

○NSns2.21com.com2015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

●NSns89.worldnic.com2026-03-05 → 2026-07-10 · 3 obs

○ 2017-01-06 00:10:40
● 2026-03-05 06:02:16
● 2026-07-10 18:49:20

●NSns90.worldnic.com2026-03-05 → 2026-07-10 · 3 obs

○ 2017-01-06 00:10:40
● 2026-03-05 06:02:16
● 2026-07-10 18:49:20

○MXmail.21com.com2015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

●MXmxn.mxhichina.com2026-03-05 → 2026-07-10 · 3 obs

○ 2017-01-06 00:10:40
● 2026-03-05 06:02:16
● 2026-07-10 18:49:20

●MXmxw.mxhichina.com2026-03-05 → 2026-07-10 · 3 obs

○ 2017-01-06 00:10:40
● 2026-03-05 06:02:16
● 2026-07-10 18:49:20

○A::12015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

○A127.0.0.12015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

●A208.91.197.272026-03-23 → 2026-07-10 · 3 obs

○ 2026-03-05 06:02:16
● 2026-03-23 17:15:38
● 2026-07-10 18:49:20

○A210.82.111.1582015-08-16 → 2017-01-06 · 4 obs

● 2015-08-16 22:42:20
● 2017-01-06 00:10:40
○ 2026-03-05 06:02:16
○ 2026-07-10 18:49:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
21com.com	ns89.worldnic.com, ns90.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.131

NS records: ns89.worldnic.com, ns90.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 567ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.27`
NS	2	`ns90.worldnic.com, ns89.worldnic.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`NS89.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns89.worldnic.com, ns90.worldnic.com)

Analysis

Hierarchy

21com.com is a parent domain of ns2.21com.com, ns.21com.com, ns4.21com.com, imap.21com.com and mailtest.21com.com.

IP Addresses

21com.com points to a single IP number: 208.91.197.27.

Additional host names — mail.32ndjdc.org, firstsecuritybankmt-bozeman.com, altaiconsulting.info and two others — share IP numbers with 21com.com.

Name Servers

Two name servers handle the delegation for 21com.com: ns89.worldnic.com and ns90.worldnic.com.

21com.com shares its name server setup with other domains, including shopheads.net, vaagelaw.com, renocarson.com and two others.

ns89.worldnic.com and ns90.worldnic.com each resolve to one IP number: ns89.worldnic.com points to 162.159.26.131 and ns90.worldnic.com points to 162.159.27.117.

Mail Servers

21com.com has two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

21com.com shares the same mail server setup as other domains, including medcht.com, dnake-global.com, cjspvc.com and two others.

21com.com shares mail servers — at least in part — with other domains, including ythbj.com, debtop.com, libn.net and two others.

These mail servers are frequently paired with the mail servers mx1.qiye.aliyun.com, mx3.qiye.aliyun.com, mx2.qiye.aliyun.com and mx01.dm.aliyun.com.

Host names with two IP numbers:

mxn.mxhichina.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.

Host names pointing to a single IP address:

The hostname mxw.mxhichina.com resolves to 47.246.99.195.