ubsclass.com - dns.ninja

`ubsclass.com`

DNSSEC	⚠️ Not signed
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns15.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=1785683117

Previously NS for

ubsclass.com

Same first word

ubsclass.com

Similar names

subclass.net

clubsass.com

subclass.com.au

busclass.com

classbus.com

DNS History

11 records (4 active, 7 former)

●NSdns15.hichina.com2020-04-01 → 2026-08-02 · 3 obs

○ 2016-07-21 00:24:20
● 2020-04-01 16:44:46
● 2026-08-02 15:25:58

●NSdns16.hichina.com2020-04-01 → 2026-08-02 · 3 obs

○ 2016-07-21 00:24:20
● 2020-04-01 16:44:46
● 2026-08-02 15:25:58

○NSns.cafe24.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

○NSns0.cafe24.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

○NSns1.cafe24.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

○NSns2.cafe24.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

○NSubsclass.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

●MXmxbiz1.qq.com2026-03-21 → 2026-08-02 · 3 obs

○ 2016-07-21 00:24:20
● 2026-03-21 09:49:40
● 2026-08-02 15:25:58

●MXmxbiz2.qq.com2026-03-21 → 2026-08-02 · 3 obs

○ 2016-07-21 00:24:20
● 2026-03-21 09:49:40
● 2026-08-02 15:25:58

○MXuwa64-037.cafe24.com2015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

○A222.122.84.722015-07-25 → 2016-03-12 · 4 obs

● 2015-07-25 10:54:36
● 2016-03-12 08:42:02
○ 2016-07-21 00:24:20
○ 2026-08-02 15:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
ubsclass.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubsclass.com (unsigned zone)

⏱️ Timing

Total: 3540ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns16.hichina.com, dns15.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Name Servers

ubsclass.com has two authoritative name servers — dns15.hichina.com and dns16.hichina.com.

ubsclass.com shares its NS records with other domains, for example lingranai.com, heic333.com, edu0574.com and two others.

At least some of ubsclass.com's name servers are shared with other domains, for example ttasys.com and kayee.cn.

DNS names with 9 IP addresses:

dns15.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

dns16.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

Mail Servers

ubsclass.com is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with ubsclass.com are btstc.com, cbob.cn, yinuo1000.com and two others.

The mail servers of ubsclass.com overlap at least partially with those of other domains, including wshuttle.com, dawnedu.com.cn and 18183sf.com.