`51media.cn`

DNSSEC	⚠️ Not signed
A	186.243.71.170^{🇧🇷 UNSPECIFIED160.0.0.0/3}
NS	`ns1.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}
NS	`ns1.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.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=1776493155

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034779778

Same first word

51media.co.uk

51media.cn

51media.com

Similar names

media15.com

media51.it

media51.nu

media51.com

DNS History

15 records (5 active, 10 former)

○NSdns27.hichina.com2018-01-18 → 2018-01-18 · 4 obs

○ 2016-11-29 17:19:22
● 2018-01-18 01:09:46
○ 2026-02-18 16:43:10
○ 2026-05-11 19:12:36

○NSdns28.hichina.com2018-01-18 → 2018-01-18 · 4 obs

○ 2016-11-29 17:19:22
● 2018-01-18 01:09:46
○ 2026-02-18 16:43:10
○ 2026-05-11 19:12:36

●NSns1.judns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2018-01-18 01:09:46
● 2026-02-18 16:43:10
● 2026-05-11 19:12:36

●NSns1.julydns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2018-01-18 01:09:46
● 2026-02-18 16:43:10
● 2026-05-11 19:12:36

●NSns2.judns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2018-01-18 01:09:46
● 2026-02-18 16:43:10
● 2026-05-11 19:12:36

●NSns2.julydns.com2026-02-18 → 2026-05-11 · 3 obs

○ 2018-01-18 01:09:46
● 2026-02-18 16:43:10
● 2026-05-11 19:12:36

○NSwww.51media.cn2015-08-05 → 2016-11-29 · 4 obs

● 2015-08-05 07:36:00
● 2016-11-29 17:19:22
○ 2018-01-18 01:09:46
○ 2026-05-11 19:12:36

○MXio.bouncemx.com2015-12-23 → 2016-11-29 · 4 obs

● 2015-12-23 12:44:34
● 2016-11-29 17:19:22
○ 2018-01-18 01:09:46
○ 2026-05-11 19:12:36

●A186.243.71.1702026-05-11 → 2026-05-11 · 2 obs

○ 2026-02-18 16:43:10
● 2026-05-11 19:12:36

○A47.89.58.322018-01-18 → 2018-01-18 · 4 obs

○ 2016-11-29 17:19:22
● 2018-01-18 01:09:46
○ 2026-02-18 16:43:10
○ 2026-05-11 19:12:36

○A70.39.84.2302015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 07:36:00
○ 2018-01-18 01:09:46
○ 2026-05-11 19:12:36

○A70.39.84.2352016-11-29 → 2016-11-29 · 4 obs

○ 2016-03-21 23:50:16
● 2016-11-29 17:19:22
○ 2018-01-18 01:09:46
○ 2026-05-11 19:12:36

○A70.39.84.2412016-03-21 → 2016-03-21 · 4 obs

○ 2015-12-23 12:44:34
● 2016-03-21 23:50:16
○ 2016-11-29 17:19:22
○ 2026-05-11 19:12:36

○A70.39.84.2462015-12-23 → 2015-12-23 · 4 obs

○ 2015-08-05 07:36:00
● 2015-12-23 12:44:34
○ 2016-03-21 23:50:16
○ 2026-05-11 19:12:36

○CNAMEnum5.dcoin.co2015-08-05 → 2016-11-29 · 4 obs

● 2015-08-05 07:36:00
● 2016-11-29 17:19:22
○ 2018-01-18 01:09:46
○ 2026-05-11 19:12:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
51media.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51media.cn (unsigned zone)

⏱️ Timing

Total: 3424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.243.71.170`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

51media.cn maps to IP address 186.243.71.170.

Other host names, for example, gctp.cn share IP numbers with 51media.cn.

Name Servers

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

51media.cn at least partially shares name servers with other domains such as 19191111.com, aoufqr.cn, lancar.cn, zyjlh.com and excsyrv.cn.