bystudy.com - dns.ninja

`bystudy.com`

DNSSEC	⚠️ Not signed
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,}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com ~all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1781823945

Same first word

bystudy.ru

bystudy.net

bystudy.cn

bystudy.com

Similar names

ybstudy.com

studyby.com

ybdusty.com

bydusty.com

DNS History

15 records (4 active, 11 former)

○NSdns1.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

●NSdns10.hichina.com2015-11-13 → 2026-06-18 · 3 obs

○ 2015-07-22 04:31:04
● 2015-11-13 15:09:02
● 2026-06-18 23:25:50

○NSdns2.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

○NSdns3.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

○NSdns4.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

○NSdns5.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

○NSdns6.iidns.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

●NSdns9.hichina.com2015-11-13 → 2026-06-18 · 3 obs

○ 2015-07-22 04:31:04
● 2015-11-13 15:09:02
● 2026-06-18 23:25:50

●MXmxn.mxhichina.com2015-11-13 → 2026-06-18 · 2 obs

● 2015-11-13 15:09:02
● 2026-06-18 23:25:50

●MXmxw.mxhichina.com2015-11-13 → 2026-06-18 · 2 obs

● 2015-11-13 15:09:02
● 2026-06-18 23:25:50

○A120.55.206.122016-12-23 → 2017-11-26 · 5 obs

○ 2015-07-22 04:31:04
● 2016-12-23 17:36:46
● 2017-11-26 20:16:16
○ 2026-03-31 01:53:28
○ 2026-06-18 23:25:50

○A121.40.206.1812026-03-31 → 2026-06-18 · 2 obs

○ 2026-03-31 01:53:28
○ 2026-06-18 23:25:50

○A198.148.92.872015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2017-11-26 20:16:16
○ 2026-06-18 23:25:50

○A198.148.92.882015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2017-11-26 20:16:16
○ 2026-06-18 23:25:50

○CNAMEcs.ename.net2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 04:31:04
○ 2015-11-13 15:09:02
○ 2026-06-18 23:25:50

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:120.76.107.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bystudy.com (unsigned zone)

⏱️ Timing

Total: 492ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns9.hichina.com, dns10.hichina.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mxhichina.com ~all`
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

Name Servers

The NS records for bystudy.com delegate to dns10.hichina.com and dns9.hichina.com.

bystudy.com uses the same name servers as several other domains — among them dasin.com.cn, basanob.com, jchuojia.com and two more.

bystudy.com partially shares its name servers with domains like shuangliren.com.cn and sqbrxiw.cn.

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.

dns9.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.

Mail Servers

Mail for bystudy.com is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.

bystudy.com uses an identical mail server configuration to several other domains — among them haiwodianli.com, upmaxcrane.com, myanmarfashion.net and two more.

bystudy.com has at least partial mail server overlap with other domains such as opusc.cn, ruway.net, rgpsy.com and two more.

Hostnames that resolve to two IP addresses:

The A records for mxn.mxhichina.com return 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mxw.mxhichina.com resolves to the IP address 47.246.99.195.