`mrp520.com`

DNSSEC	⚠️ Not signed
NS	`ns11.bigwww.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns12.bigwww.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns13.bigwww.com` ⚠️ Not in zone NS records
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns14.bigwww.com` ⚠️ Not in zone NS records
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns15.bigwww.com` ⚠️ Not in zone NS records
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
NS	`ns16.bigwww.com` ⚠️ Not in zone NS records
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
SOA	`ns11.bigwww.com`hostmaster@hichina.com 2026-01-12 #9

`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=1785172892

WOT: UNKNOWN (60/100)

Subdomains

www.mrp520.com

Same first word

mrp520.com

DNS History

9 records (6 active, 3 former)

○NSf1g1ns1.dnspod.net2015-08-18 → 2020-02-08 · 4 obs

● 2015-08-18 09:01:56
● 2020-02-08 18:15:38
○ 2026-05-15 11:26:38
○ 2026-07-27 17:51:22

○NSf1g1ns2.dnspod.net2015-08-18 → 2020-02-08 · 4 obs

● 2015-08-18 09:01:56
● 2020-02-08 18:15:38
○ 2026-05-15 11:26:38
○ 2026-07-27 17:51:22

●NSns11.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

●NSns12.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

●NSns13.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

●NSns14.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

●NSns15.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

●NSns16.bigwww.com2026-05-15 → 2026-07-27 · 3 obs

○ 2020-02-08 18:15:38
● 2026-05-15 11:26:38
● 2026-07-27 17:51:22

○A103.255.179.1392020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 18:15:38
○ 2026-05-15 11:26:38
○ 2026-07-27 17:51:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
mrp520.com	ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com...	10 records

✅ Authoritative Response

Server:47.118.199.203

NS records: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrp520.com (unsigned zone)

⏱️ Timing

Total: 1482ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns12.bigwww.com, ns11.bigwww.com`
SOA	1	`ns11.bigwww.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns11.bigwww.com, ns11.bigwww.com, ns11.bigwww.com...)

Analysis

Hierarchy

www.mrp520.com is a subdomain of mrp520.com.

Name Servers

mrp520.com carries NS records listing 6 name servers — ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com and 3 others.

The name servers of mrp520.com overlap at least partially with those of other domains — among them wuchan.org, gunsi.com, chineseweb.cn and two more.

These name servers commonly appear in delegations together with ns15.bigwww.com, ns16.bigwww.com, ns14.bigwww.com and 7 other.

Host names with three IP numbers:

ns11.bigwww.com maps to three IP addresses: 39.96.153.43, 47.118.199.203 and 2408:4009:501::9.

ns12.bigwww.com maps to three IP addresses: 120.76.107.43, 139.224.142.113 and 2408:4009:501::10.

Host names pointing to a single IP address:

ns13.bigwww.com resolves to the IP address 47.118.199.203.

ns14.bigwww.com resolves to the IP address 139.224.142.113.

ns15.bigwww.com resolves to the IP address 39.96.153.43.

ns16.bigwww.com resolves to the IP address 120.76.107.43.

ns11.bigwww.com and ns15.bigwww.com each have 39.96.153.43 IP addresses.

ns11.bigwww.com and ns13.bigwww.com each have 47.118.199.203 IP addresses.

ns12.bigwww.com and ns16.bigwww.com each have 120.76.107.43 IP addresses.