`mmm521.com`

DNSSEC	⚠️ Not signed
A	154.209.115.52^{🇭🇰 POWERLINE-HK154.209.96.0/19 Digital Core Technology Co., Ltd}
NS	`ns7.alidns.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::3^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.47^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.57^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.207^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.217^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.47^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.57^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.117^{🇨🇳 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,}
		A	139.224.142.127^{🇨🇳 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	`ns1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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,}
		A	139.224.142.125^{🇨🇳 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	`ns2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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,}
		A	139.224.142.126^{🇨🇳 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	`ns8.alidns.com` ⚠️ Not in parent delegation
		A	2408:4009:501::4^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.48^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.58^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.208^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.218^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.48^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.58^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.101^{🇨🇳 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,}
		A	139.224.142.118^{🇨🇳 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,}
SOA	`ns7.alidns.com`hostmaster@hichina.com 2026-01-09 #13

`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=1778614396

Subdomains

www.mmm521.com

Same first word

mmm521.com

DNS History

11 records (5 active, 6 former)

○NSf1g1ns1.dnspod.net2017-04-08 → 2017-04-08 · 4 obs

○ 2016-09-08 02:06:00
● 2017-04-08 10:37:02
○ 2026-05-12 16:15:42
○ 2026-05-12 19:54:14

○NSf1g1ns2.dnspod.net2017-04-08 → 2017-04-08 · 4 obs

○ 2016-09-08 02:06:00
● 2017-04-08 10:37:02
○ 2026-05-12 16:15:42
○ 2026-05-12 19:54:14

●NSns1.alidns.com2026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-08 10:37:02
● 2026-05-12 16:15:42
● 2026-05-12 19:54:14

○NSns15.xincache.com2015-11-13 → 2016-09-08 · 4 obs

● 2015-11-13 06:24:20
● 2016-09-08 02:06:00
○ 2017-04-08 10:37:02
○ 2026-05-12 19:54:14

○NSns16.xincache.com2015-11-13 → 2016-09-08 · 4 obs

● 2015-11-13 06:24:20
● 2016-09-08 02:06:00
○ 2017-04-08 10:37:02
○ 2026-05-12 19:54:14

●NSns2.alidns.com2026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-08 10:37:02
● 2026-05-12 16:15:42
● 2026-05-12 19:54:14

●NSns7.alidns.com2026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-08 10:37:02
● 2026-05-12 16:15:42
● 2026-05-12 19:54:14

●NSns8.alidns.com2026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-08 10:37:02
● 2026-05-12 16:15:42
● 2026-05-12 19:54:14

○A142.252.58.162017-04-08 → 2017-04-08 · 4 obs

○ 2016-09-08 02:06:00
● 2017-04-08 10:37:02
○ 2026-05-12 16:15:42
○ 2026-05-12 19:54:14

●A154.209.115.522026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-08 10:37:02
● 2026-05-12 16:15:42
● 2026-05-12 19:54:14

○A67.198.151.1862015-11-13 → 2016-09-08 · 4 obs

● 2015-11-13 06:24:20
● 2016-09-08 02:06:00
○ 2017-04-08 10:37:02
○ 2026-05-12 19:54:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mmm521.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.46

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mmm521.com (unsigned zone)

⏱️ Timing

Total: 964ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.209.115.52`
NS	2	`ns7.alidns.com, ns8.alidns.com`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Hierarchy

mmm521.com is the parent of www.mmm521.com.

IP Addresses

mmm521.com resolves to one IP number: 154.209.115.52.

other host names including haoci.net, www.youlaicnc.com, debaohot.net, youlaicnc.com and www.mmm521.com share IP numbers with mmm521.com.

Name Servers

mmm521.com is delegated to four name servers: ns1.alidns.com, ns2.alidns.com, ns7.alidns.com and ns8.alidns.com.

mmm521.com at least partially shares name servers with other domains, for instance cdhj89.com, 400ab54327905a8f.com, 529174.com, b775d10d28f8df62.com and 71e083dc11014.beer.

these name servers are often used together with expirens3.hichina.com, expirens4.hichina.com, dns25.hichina.com and dns26.hichina.com.

Host names with nine IP numbers:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

ns7.alidns.com points to: 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127.

ns8.alidns.com points to: 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.

mmm521.com - robtex.com

mmm521.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`mmm521.com`

`com`