`21ab.com`

DNSSEC	⚠️ Not signed
A	208.98.40.222^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`www.21ab.com` ⭐
		A	208.98.40.228^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`ns1.4.cn` ⚠️ Not in zone NS records
		A	107.167.27.66^{🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)}
NS	`ns2.4.cn` ⚠️ Not in zone NS records
SOA	`www.21ab.com`21ab@com 2008-08-03 #0

`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=1785771332

Same first word

21ab.com

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a21b.com

DNS History

6 records (4 active, 2 former)

○NSf1g1ns1.dnspod.net2015-05-09 → 2017-01-20 · 4 obs

● 2015-05-09 00:38:16
● 2017-01-20 21:43:48
○ 2019-12-24 10:49:44
○ 2026-08-03 15:36:28

○NSf1g1ns2.dnspod.net2015-05-09 → 2016-05-06 · 4 obs

● 2015-05-09 00:38:16
● 2016-05-06 21:28:52
○ 2019-12-24 10:49:44
○ 2026-08-03 15:36:28

●NSns1.4.cn2026-07-03 → 2026-08-03 · 3 obs

○ 2019-12-24 10:49:44
● 2026-07-03 16:15:28
● 2026-08-03 15:36:28

●NSns2.4.cn2026-07-03 → 2026-08-03 · 3 obs

○ 2019-12-24 10:49:44
● 2026-07-03 16:15:28
● 2026-08-03 15:36:28

●NSwww.21ab.com2026-08-03 → 2026-08-03 · 3 obs

○ 2026-07-03 16:15:28
● 2026-08-03 15:36:24
● 2026-08-03 15:36:28

●A208.98.40.2222026-08-03 → 2026-08-03 · 2 obs

● 2026-08-03 15:36:24
● 2026-08-03 15:36:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21ab.com	ns1.4.cn, ns2.4.cn	-

✅ Authoritative Response

Server:208.98.43.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1012ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.43.98`
SOA	1	`www.21ab.com 21ab.com`

Analysis

IP Addresses

21ab.com points to a single IP number: 208.98.40.222.

Additional host names — www.www.tlpjc.cn, hightravel.cn, 100my.com and two others — share IP numbers with 21ab.com.

Name Servers

21ab.com carries NS records delegating to ns1.4.cn, ns2.4.cn and www.21ab.com.

21ab.com shares at least some of its name servers with other domains, including taipeifashionweek.com, sztlsztl.cn, pengye.com and two others.

These name servers are frequently paired with the name servers www.taipeifashionweek.com and www.pengye.com.

ns1.4.cn and www.21ab.com each resolve to one IP number: ns1.4.cn points to 107.167.27.66 and www.21ab.com points to 208.98.40.228.

21ab.com - robtex.com

21ab.com

com