`51dqrc.com`

DNSSEC	⚠️ Not signed
A	156.251.128.38^{🇺🇸 CNSERVERSLLC156.251.128.0/21 CenturyNetworks LTD}
NS	`ns1.sharesdns.com` ⭐
		A	154.23.191.194^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.194^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.sharesdns.com`
		A	154.23.191.195^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.195^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
SOA	`ns1.sharesdns.com`admin@sharesdns.com serial=1775115165

`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=1776049372

Subdomains

www.51dqrc.com

rac.51dqrc.com

Same first word

51dqrc.com

DNS History

9 records (3 active, 6 former)

○NSns1.ndns.cn2015-04-29 → 2017-09-22 · 4 obs

● 2015-04-29 09:36:00
● 2017-09-22 23:43:14
○ 2026-03-23 16:48:30
○ 2026-04-13 03:24:34

●NSns1.sharesdns.com2026-03-23 → 2026-04-13 · 3 obs

○ 2017-09-22 23:43:14
● 2026-03-23 16:48:30
● 2026-04-13 03:24:34

○NSns2.ndns.cn2015-10-12 → 2017-09-22 · 5 obs

○ 2015-04-29 09:36:00
● 2015-10-12 10:58:56
● 2017-09-22 23:43:14
○ 2026-03-23 16:48:30
○ 2026-04-13 03:24:34

●NSns2.sharesdns.com2026-03-23 → 2026-04-13 · 3 obs

○ 2017-09-22 23:43:14
● 2026-03-23 16:48:30
● 2026-04-13 03:24:34

○A116.255.189.82016-09-22 → 2016-11-24 · 5 obs

○ 2015-12-29 06:23:02
● 2016-09-22 14:47:42
● 2016-11-24 22:29:34
○ 2017-09-22 23:43:14
○ 2026-04-13 03:24:34

●A156.251.128.382026-04-13 → 2026-04-13 · 3 obs

○ 2026-03-23 16:48:30
● 2026-04-13 01:58:52
● 2026-04-13 03:24:34

○A174.139.50.602015-10-12 → 2015-10-12 · 3 obs

● 2015-10-12 10:58:56
○ 2015-12-29 06:23:02
○ 2026-04-13 03:24:34

○A174.139.61.842015-12-29 → 2015-12-29 · 4 obs

○ 2015-10-12 10:58:56
● 2015-12-29 06:23:02
○ 2016-09-22 14:47:42
○ 2026-04-13 03:24:34

○A43.240.14.1592017-09-22 → 2017-09-22 · 4 obs

○ 2016-11-24 22:29:34
● 2017-09-22 23:43:14
○ 2026-03-23 16:48:30
○ 2026-04-13 03:24:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51dqrc.com	ns1.sharesdns.com, ns2.sharesdns.com	4 records

✅ Authoritative Response

Server:154.23.191.195

NS records: ns1.sharesdns.com, ns2.sharesdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.251.128.38`
NS	2	`ns1.sharesdns.com, ns2.sharesdns.com`
SOA	1	`ns1.sharesdns.com admin.sharesdns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.sharesdns.com, ns1.sharesdns.com, ns2.sharesdns.com...)

Analysis

Hierarchy

51dqrc.com is parent of www.51dqrc.com and rac.51dqrc.com.

IP Addresses

51dqrc.com points to a single IP number: 156.251.128.38.

Other host names like www.51dqrc.com and rac.51dqrc.com share IP numbers with 51dqrc.com.

Name Servers

51dqrc.com is delegated to two name servers: ns1.sharesdns.com and ns2.sharesdns.com.

51dqrc.com shares the same name server setup as other domains, for example hitaizhou.com, chinahti.com, ezhongzhi.com, admin9.net and bubuxiu.com.

Host names with two IP numbers:

ns1.sharesdns.com points to 154.23.191.194 and 154.86.21.194

ns2.sharesdns.com points to 154.23.191.195 and 154.86.21.195

51dqrc.com - robtex.com

51dqrc.com

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