`world521.com`

DNSSEC	⚠️ Not signed
A	156.240.232.189^{🇭🇰 TCLOUDNET156.240.232.0/24 Tcloudnet, Inc}
NS	`a.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.gname-dns.com` ⚠️ Not in zone NS records
		A	172.64.52.212^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.gname-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.55^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1744290658

`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=1776097247

Same first word

world521.com

DNS History

11 records (5 active, 6 former)

●NSa.share-dns.com2026-02-28 → 2026-04-13 · 3 obs

○ 2019-03-31 22:06:12
● 2026-02-28 00:16:44
● 2026-04-13 16:48:02

●NSb.share-dns.net2026-02-28 → 2026-04-13 · 3 obs

○ 2019-03-31 22:06:12
● 2026-02-28 00:16:44
● 2026-04-13 16:48:02

●NSns1.gname-dns.com2026-02-28 → 2026-04-13 · 3 obs

○ 2019-03-31 22:06:12
● 2026-02-28 00:16:44
● 2026-04-13 16:48:02

●NSns2.gname-dns.com2026-02-28 → 2026-04-13 · 3 obs

○ 2019-03-31 22:06:12
● 2026-02-28 00:16:44
● 2026-04-13 16:48:02

○NSns7.cnolnic.net2015-07-19 → 2019-03-31 · 4 obs

● 2015-07-19 10:55:52
● 2019-03-31 22:06:12
○ 2026-02-28 00:16:44
○ 2026-04-13 16:48:02

○NSns8.cnolnic.net2015-07-19 → 2019-03-31 · 4 obs

● 2015-07-19 10:55:52
● 2019-03-31 22:06:12
○ 2026-02-28 00:16:44
○ 2026-04-13 16:48:02

○MXmxbiz1.qq.com2015-07-19 → 2019-03-31 · 4 obs

● 2015-07-19 10:55:52
● 2019-03-31 22:06:12
○ 2026-02-28 00:16:44
○ 2026-04-13 16:48:02

○MXmxbiz2.qq.com2015-07-19 → 2019-03-31 · 4 obs

● 2015-07-19 10:55:52
● 2019-03-31 22:06:12
○ 2026-02-28 00:16:44
○ 2026-04-13 16:48:02

○A103.252.16.2382015-07-19 → 2017-02-14 · 4 obs

● 2015-07-19 10:55:52
● 2017-02-14 09:27:24
○ 2019-03-31 22:06:12
○ 2026-04-13 16:48:02

●A156.240.232.1892026-02-28 → 2026-04-13 · 3 obs

○ 2019-03-31 22:06:12
● 2026-02-28 00:16:44
● 2026-04-13 16:48:02

○A60.205.32.412019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-14 09:27:24
● 2019-03-31 22:06:12
○ 2026-02-28 00:16:44
○ 2026-04-13 16:48:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
world521.com	ns1.gname-dns.com, ns2.gname-dns.com	2 records

✅ Authoritative Response

Server:172.64.52.212

NS records: ns1.gname-dns.com, ns2.gname-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for world521.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.240.232.189`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.gname-dns.com, ns2.gname-dns.com)

Analysis

IP Addresses

world521.com points to IP number: 156.240.232.189.

Name Servers

world521.com is delegated to four name servers: ns1.gname-dns.com, ns2.gname-dns.com, a.share-dns.com and b.share-dns.net.

world521.com at least partially shares name servers with other domains, for instance rxln.cn, gourdianknot.com, 48975.com, czdqjgjx.com and yueyangmiyi.com.