`21qy.com`

DNSSEC	⚠️ Not signed
A	114.55.177.251^{🇨🇳 Alibaba-Cloud114.55.128.0/17}
NS	`iz23tw7do3lz` ⭐
NS	`dns.21bc.com` ⚠️ Not in zone NS records
		A	114.55.177.251^{🇨🇳 Alibaba-Cloud114.55.128.0/17}
NS	`dns.21qy.com`
		A	114.55.177.251^{🇨🇳 Alibaba-Cloud114.55.128.0/17}
MX	`mail.21qy.com` ⭐
		A	114.55.177.251^{🇨🇳 Alibaba-Cloud114.55.128.0/17}
SOA	`iz23tw7do3lz`hostmaster serial=8

`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=1776053067

Subdomains

mail.21qy.com

dns.21qy.com

Same first word

21qy.com

Similar names

21yq.com

21yq.cn

12qy.com

yq21.com

yq12.com

qy21.com

yq21.cn

DNS History

5 records (5 active, 0 former)

●NSdns.21bc.com2026-02-16 → 2026-04-13 · 3 obs

○ 2015-07-21 01:41:42
● 2026-02-16 06:36:10
● 2026-04-13 04:10:32

●NSdns.21qy.com2015-07-21 → 2026-04-13 · 2 obs

● 2015-07-21 01:41:42
● 2026-04-13 04:10:32

●NSiz23tw7do3lz2026-02-16 → 2026-04-13 · 3 obs

○ 2015-07-21 01:41:42
● 2026-02-16 06:36:10
● 2026-04-13 04:10:32

●MXmail.21qy.com2015-07-21 → 2026-04-13 · 2 obs

● 2015-07-21 01:41:42
● 2026-04-13 04:10:32

●A114.55.177.2512026-02-16 → 2026-04-13 · 2 obs

● 2026-02-16 06:36:10
● 2026-04-13 04:10:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
21qy.com	dns.21bc.com, dns.21qy.com	2 records

✅ Authoritative Response

Server:114.55.177.251

NS records: dns.21bc.com, dns.21qy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`114.55.177.251`
NS	1	`DNS.21qy.com`
MX	1	`mail.21qy.com (pri: 10)`
SOA	1	`iz23tw7do3lz hostmaster`

📌 Glue Records Collected

Total: 2

In-bailiwick: 1 (dns.21qy.com)

Out-of-bailiwick: 1 (dns.21bc.com)

Analysis

Hierarchy

21qy.com is the parent of mail.21qy.com and dns.21qy.com.

IP Addresses

21qy.com resolves to a single IP: 114.55.177.251.

Other host names, for instance mail.21bc.com, tideinfo.com.cn, 21bc.com, mail.21qy.com and dns.21qy.com share IP numbers with 21qy.com.

Name Servers

21qy.com delegates to three name servers: iz23tw7do3lz, dns.21bc.com and dns.21qy.com.

21qy.com shares name servers with other domains to some extent, for example tideinfo.com.cn and 21bc.com.

Host names with one IP number:

dns.21bc.com points to: 114.55.177.251

dns.21qy.com points to: 114.55.177.251

Names pointing to 114.55.177.251: dns.21bc.com and dns.21qy.com

Mail Servers

21qy.com is handled by a single mail server, mail.21qy.com.

Host name mail.21qy.com points to IP 114.55.177.251.

21qy.com - robtex.com

21qy.com

com