`51-cc.com`

DNSSEC	⚠️ Not signed
A	154.12.19.115^{🇺🇸 AS401696154.12.16.0/21}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1764744217

`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=1776014382

Same first word

51-cc.com

DNS History

13 records (5 active, 8 former)

○NSdns10.hichina.com2015-05-10 → 2017-06-01 · 4 obs

● 2015-05-10 09:24:10
● 2017-06-01 10:29:34
○ 2026-04-09 08:17:18
○ 2026-04-12 17:41:02

○NSdns9.hichina.com2015-05-10 → 2017-06-01 · 4 obs

● 2015-05-10 09:24:10
● 2017-06-01 10:29:34
○ 2026-04-09 08:17:18
○ 2026-04-12 17:41:02

●NSns1.judns.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-06-01 10:29:34
● 2026-04-09 08:17:18
● 2026-04-12 17:41:02

●NSns1.julydns.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-06-01 10:29:34
● 2026-04-09 08:17:18
● 2026-04-12 17:41:02

●NSns2.judns.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-06-01 10:29:34
● 2026-04-09 08:17:18
● 2026-04-12 17:41:02

●NSns2.julydns.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-06-01 10:29:34
● 2026-04-09 08:17:18
● 2026-04-12 17:41:02

○MXmxbiz1.qq.com2015-05-10 → 2017-06-01 · 4 obs

● 2015-05-10 09:24:10
● 2017-06-01 10:29:34
○ 2026-04-09 08:17:18
○ 2026-04-12 17:41:02

○MXmxbiz2.qq.com2015-05-10 → 2017-06-01 · 4 obs

● 2015-05-10 09:24:10
● 2017-06-01 10:29:34
○ 2026-04-09 08:17:18
○ 2026-04-12 17:41:02

○A121.14.148.2022015-05-10 → 2015-05-10 · 3 obs

● 2015-05-10 09:24:10
○ 2015-10-26 04:45:52
○ 2026-04-12 17:41:02

○A121.14.148.2182015-10-26 → 2016-01-24 · 5 obs

○ 2015-05-10 09:24:10
● 2015-10-26 04:45:52
● 2016-01-24 23:05:36
○ 2016-04-12 00:20:30
○ 2026-04-12 17:41:02

●A154.12.19.1152026-04-09 → 2026-04-12 · 3 obs

○ 2017-06-01 10:29:34
● 2026-04-09 08:17:18
● 2026-04-12 17:41:02

○A183.60.158.2272016-04-12 → 2016-04-12 · 4 obs

○ 2016-01-24 23:05:36
● 2016-04-12 00:20:30
○ 2016-11-20 08:55:42
○ 2026-04-12 17:41:02

○A203.195.232.242016-11-20 → 2017-06-01 · 5 obs

○ 2016-04-12 00:20:30
● 2016-11-20 08:55:42
● 2017-06-01 10:29:34
○ 2026-04-09 08:17:18
○ 2026-04-12 17:41:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
51-cc.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51-cc.com (unsigned zone)

⏱️ Timing

Total: 381ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.12.19.115`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

51-cc.com resolves to one IP number: 154.12.19.115.

other host names including ljqkj.com, 11s5w.zwarx.cn, canon-dl.com, mail.orientalturdo.com and jtwygm.com share IP numbers with 51-cc.com.

Name Servers

51-cc.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

51-cc.com at least partially shares name servers with other domains, for instance ta-pharm.com, mchre.com, sylviawhy.com, qhdnssm.cn and xiaoshantech.com.