learn520.com - dns.ninja

`learn520.com`

DNSSEC	⚠️ Not signed
A	197.255.142.71^{🇨🇻 CVTS1197.255.136.0/21 CVMultimedia3105202005}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`dns9.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1784360107

Subdomains

www.learn520.com

Same first word

learn520.com

DNS History

6 records (3 active, 3 former)

●NSdns10.hichina.com2015-07-19 → 2026-07-18 · 5 obs

● 2015-07-19 10:23:48
● 2017-03-16 02:37:52
○ 2020-02-09 13:43:02
● 2026-03-13 05:19:34
● 2026-07-18 07:51:10

●NSdns9.hichina.com2015-07-19 → 2026-07-18 · 5 obs

● 2015-07-19 10:23:48
● 2017-03-16 02:37:52
○ 2020-02-09 13:43:02
● 2026-03-13 05:19:34
● 2026-07-18 07:51:10

○NSns5.dnsdun.com2020-02-09 → 2020-02-09 · 4 obs

○ 2017-03-16 02:37:52
● 2020-02-09 13:43:02
○ 2026-03-13 05:19:34
○ 2026-07-18 07:51:10

○NSns5.dnsdun.net2020-02-09 → 2020-02-09 · 4 obs

○ 2017-03-16 02:37:52
● 2020-02-09 13:43:02
○ 2026-03-13 05:19:34
○ 2026-07-18 07:51:10

○A154.216.67.572020-02-09 → 2020-02-09 · 3 obs

● 2020-02-09 13:43:02
○ 2026-03-13 05:19:34
○ 2026-07-18 07:51:10

●A197.255.142.712026-03-13 → 2026-07-18 · 3 obs

○ 2020-02-09 13:43:02
● 2026-03-13 05:19:34
● 2026-07-18 07:51:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learn520.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learn520.com (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`197.255.142.71`
NS	2	`dns10.hichina.com, dns9.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Hierarchy

www.learn520.com is delegated beneath learn520.com.

IP Addresses

learn520.com resolves to one IP address: 197.255.142.71.

Further host names like www.learn520.com and pfscv.com overlap in IP numbers with learn520.com.

Name Servers

learn520.com uses two name servers for its delegation: dns10.hichina.com and dns9.hichina.com.

learn520.com uses the same name servers as several other domains — among them mbszn.net, gyzcgl.com, lgemonitor.com.cn and two more.

There is at least partial name server overlap between learn520.com and other domains — easyflower.com, actanet.org, heytea.net and two more among them.

These name servers tend to appear in combination with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

Hostname dns10.hichina.com directs to 39.96.153.41, 39.96.153.51 and 47.118.199.201 along with 6 other IP addresses.

Hostname dns9.hichina.com directs to 39.96.153.42, 39.96.153.52 and 47.118.199.202 along with 6 other IP addresses.