`51hcw.com`

DNSSEC	⚠️ Not signed
A	103.44.249.89^{🇨🇳 CHINANET-Guangdong-ShenZhen-IDC103.44.240.0/20 Shenzhen Qianhai bird cloud computing Co. Ltd. -SZIDC-BGP}
NS	`dns7.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns8.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
SOA	`dns.4cun.com`admin@51hcw.com serial=1772528888

`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=1774400362

Subdomains

www.51hcw.com

Same first word

51hcw.com

DNS History

7 records (4 active, 3 former)

●NSdns.4cun.com2015-07-10 → 2026-03-25 · 2 obs

● 2015-07-10 03:31:22
● 2026-03-25 01:26:24

●NSdns7.4cun.com2026-03-12 → 2026-03-25 · 3 obs

○ 2015-07-10 03:31:22
● 2026-03-12 20:29:46
● 2026-03-25 01:26:24

●NSdns8.51dns.top2026-03-12 → 2026-03-25 · 3 obs

○ 2015-07-10 03:31:22
● 2026-03-12 20:29:46
● 2026-03-25 01:26:24

●A103.44.249.892026-03-12 → 2026-03-25 · 3 obs

○ 2020-04-01 08:41:14
● 2026-03-12 20:29:46
● 2026-03-25 01:26:24

○A103.45.100.962020-04-01 → 2020-04-01 · 4 obs

○ 2017-02-18 19:05:38
● 2020-04-01 08:41:14
○ 2026-03-12 20:29:46
○ 2026-03-25 01:26:24

○A115.159.66.1372016-06-29 → 2017-02-18 · 5 obs

○ 2016-02-27 14:30:42
● 2016-06-29 06:29:54
● 2017-02-18 19:05:38
○ 2020-04-01 08:41:14
○ 2026-03-25 01:26:24

○A183.60.156.1222015-07-10 → 2016-02-27 · 4 obs

● 2015-07-10 03:31:22
● 2016-02-27 14:30:42
○ 2016-06-29 06:29:54
○ 2026-03-25 01:26:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
51hcw.com	dns7.4cun.com, dns8.51dns.top	2 records

✅ Authoritative Response

Server:61.172.183.74

NS records: dns7.4cun.com, dns8.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51hcw.com (unsigned zone)

⏱️ Timing

Total: 3228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.44.249.89`
SOA	1	`dns.4cun.com admin.51hcw.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns7.4cun.com, dns7.4cun.com)

Analysis

Hierarchy

The parent of www.51hcw.com is 51hcw.com.

IP Addresses

51hcw.com points to a single IP: 103.44.249.89.

Other host names, for instance biaoshu123.com, www.biaoshu123.com and www.51hcw.com share IP numbers with 51hcw.com.

Name Servers

51hcw.com is delegated to three name servers: dns7.4cun.com, dns.4cun.com and dns8.51dns.top.

51hcw.com partially shares name servers with other domains; examples include jiaoshubi.com, mzgjg.com, znx56.com, juho-tech.com and zhaogu.net.

These name servers are commonly used alongside dns4.51dns.top, dns3.4cun.com, dns6.51dns.top, dns1.4cun.com, dns5.4cun.com, ns1.4cun.com, dns8.4cun.com, ns3.4cun.com, dns2.51dns.top and ns4.4cun.com.

Host names with two IP numbers:

The host name dns7.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.

The host name dns8.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.

Host names that point to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns7.4cun.com and dns8.51dns.top.

51hcw.com - robtex.com

51hcw.com

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