rbclass.com - dns.ninja

`rbclass.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,}
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-12 #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=1786534779

Same first word

rbclass.com

rbclass.link

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scrlabs.com

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rcslabs.com

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rsclabs.com

DNS History

13 records (2 active, 11 former)

●NSdns15.hichina.com2017-12-27 → 2026-08-12 · 3 obs

○ 2017-02-03 15:14:02
● 2017-12-27 22:38:54
● 2026-08-12 12:01:18

●NSdns16.hichina.com2017-12-27 → 2026-08-12 · 3 obs

○ 2017-02-03 15:14:02
● 2017-12-27 22:38:54
● 2026-08-12 12:01:18

○NSns1.discountasp.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 04:41:08
○ 2015-10-31 09:34:40
○ 2026-08-12 12:01:18

○NSns1.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○NSns2.discountasp.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 04:41:08
○ 2015-10-31 09:34:40
○ 2026-08-12 12:01:18

○NSns2.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○NSns3.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○NSns4.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○NSns5.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○NSns6.ezdnscenter.com2015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○MXsm05.internetmailserver.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 04:41:08
○ 2015-10-31 09:34:40
○ 2026-08-12 12:01:18

○A58.64.134.562015-10-31 → 2016-04-19 · 5 obs

○ 2008-03-15 04:41:08
● 2015-10-31 09:34:40
● 2016-04-19 10:26:22
○ 2017-02-03 15:14:02
○ 2026-08-12 12:01:18

○A64.209.142.92008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 04:41:08
○ 2015-10-31 09:34:40
○ 2026-08-12 12:01:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
rbclass.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 rbclass.com (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns16.hichina.com, dns15.hichina.com`
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

The NS records for rbclass.com delegate to dns15.hichina.com and dns16.hichina.com.

rbclass.com has the same name server delegation as a number of other domains, such as ywsd.com, ieweb3.com, snyvalve.com.cn and two more.

rbclass.com has name servers in common with a number of other domains — 6o3.cn, xadsafe.com, wxgds.cn and 7dian2.com among them.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names resolving to 9 IP numbers:

dns15.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.

dns16.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.