🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`notescience.com`

DNSSEC	⚠️ Not signed
A	103.140.228.201^{🇭🇰 NANBIAN-VPSORGLOBAL-AS103.140.228.0/23 Ningbo Shulala Information Technology Co., Ltd. Ningbo High-tech Zone, Zhejiang Province}
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-08-26 #16

`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=1788588918

Same first word

notescience.com

Similar names

Previous names

Next names

DNS History

18 records (5 active, 13 former)

●NSdns21.hichina.com2026-09-05 → 2026-09-05 · 3 obs

○ 2017-05-17 14:54:58
● 2026-09-05 01:30:34
● 2026-09-05 06:38:14

●NSdns22.hichina.com2026-09-05 → 2026-09-05 · 3 obs

○ 2017-05-17 14:54:58
● 2026-09-05 01:30:34
● 2026-09-05 06:38:14

○NSns41.domaincontrol.com2015-06-05 → 2017-05-17 · 4 obs

● 2015-06-05 07:44:46
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○NSns42.domaincontrol.com2015-06-05 → 2017-05-17 · 4 obs

● 2015-06-05 07:44:46
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○MXmx.zohomail.com2015-06-05 → 2017-05-17 · 4 obs

● 2015-06-05 07:44:46
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○MXmx2.zohomail.com2015-06-05 → 2017-05-17 · 4 obs

● 2015-06-05 07:44:46
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

●MXmxbiz1.qq.com2026-09-05 → 2026-09-05 · 3 obs

○ 2017-05-17 14:54:58
● 2026-09-05 01:30:34
● 2026-09-05 06:38:14

●MXmxbiz2.qq.com2026-09-05 → 2026-09-05 · 3 obs

○ 2017-05-17 14:54:58
● 2026-09-05 01:30:34
● 2026-09-05 06:38:14

●A103.140.228.2012026-09-05 → 2026-09-05 · 3 obs

○ 2017-05-17 14:54:58
● 2026-09-05 01:30:34
● 2026-09-05 06:38:14

○A184.168.221.132017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.152017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.192017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.202017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.252017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.272017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A184.168.221.52017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

○A23.239.11.2392015-06-05 → 2016-09-21 · 4 obs

● 2015-06-05 07:44:46
● 2016-09-21 23:16:36
○ 2017-05-17 14:54:58
○ 2026-09-05 06:38:14

○A50.63.202.282017-05-17 → 2017-05-17 · 4 obs

○ 2016-09-21 23:16:36
● 2017-05-17 14:54:58
○ 2026-09-05 01:30:34
○ 2026-09-05 06:38:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
notescience.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for notescience.com (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.140.228.201`
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	2	`v=spf1 include:spf.mail.qq.com ~all, v=spf1 include:spf.mxhichina.com -all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

notescience.com has exactly one IP address — 103.140.228.201.

Name Servers

The NS records for notescience.com delegate to dns21.hichina.com and dns22.hichina.com.

The name server configuration of notescience.com is shared with other domains, for instance adebon.com, ham.xin, liuliangwang.net.cn and two others.

notescience.com shares at least some of its name servers with other domains, including botstudio.cn, conloan.com, hydrowarriors.com and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns21.hichina.com maps to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 additional IP addresses.

dns22.hichina.com maps to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 additional IP addresses.

Mail Servers

notescience.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of notescience.com matches that of other domains such as yiyisoft.com, ddrobot.cn, 267189.xyz and two others.

At least some of the mail servers used by notescience.com are shared with other domains: zciv.com, honkwin.com, nagachiang.com and two others among them.

notescience.com - robtex.com

notescience.com

com

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`notescience.com`

`com`