61class.com - dns.ninja

`61class.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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⁾
SOA	`dns25.hichina.com`hostmaster@hichina.com 2026-01-20 #10

`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=1783188486

Same first word

61class.com

Similar names

class61.com

16class.net

16class.com

DNS History

11 records (5 active, 6 former)

○NSdns10.hichina.com2015-10-13 → 2017-05-18 · 5 obs

○ 2008-03-13 03:15:58
● 2015-10-13 09:24:34
● 2017-05-18 07:07:36
○ 2026-03-24 04:36:42
○ 2026-07-04 18:24:58

●NSdns25.hichina.com2026-03-24 → 2026-07-04 · 3 obs

○ 2017-05-18 07:07:36
● 2026-03-24 04:36:42
● 2026-07-04 18:24:58

●NSdns26.hichina.com2026-03-24 → 2026-07-04 · 3 obs

○ 2017-05-18 07:07:36
● 2026-03-24 04:36:42
● 2026-07-04 18:24:58

○NSdns9.hichina.com2015-10-13 → 2017-05-18 · 5 obs

○ 2008-03-13 03:15:58
● 2015-10-13 09:24:34
● 2017-05-18 07:07:36
○ 2026-03-24 04:36:42
○ 2026-07-04 18:24:58

○NSns1.alookup.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 03:15:58
○ 2015-10-13 09:24:34
○ 2026-07-04 18:24:58

○NSns2.alookup.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 03:15:58
○ 2015-10-13 09:24:34
○ 2026-07-04 18:24:58

●MXmxbiz1.qq.com2026-03-24 → 2026-07-04 · 2 obs

● 2026-03-24 04:36:42
● 2026-07-04 18:24:58

●MXmxbiz2.qq.com2026-03-24 → 2026-07-04 · 2 obs

● 2026-03-24 04:36:42
● 2026-07-04 18:24:58

○A123.57.144.752016-04-01 → 2016-04-01 · 4 obs

○ 2015-10-13 09:24:34
● 2016-04-01 00:36:30
○ 2017-05-18 07:07:36
○ 2026-07-04 18:24:58

●A203.107.45.1672026-03-24 → 2026-07-04 · 3 obs

○ 2017-05-18 07:07:36
● 2026-03-24 04:36:42
● 2026-07-04 18:24:58

○A38.97.225.1352008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 03:15:58
○ 2015-10-13 09:24:34
○ 2026-07-04 18:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
61class.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 61class.com (unsigned zone)

⏱️ Timing

Total: 546ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns26.hichina.com, dns25.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

IP Addresses

61class.com has exactly one IP address — 203.107.45.167.

dsprint.com.cn, ahbztv.com, reboboat.com plus two other host names have IP numbers in common with 61class.com.

Name Servers

61class.com is delegated to two name servers: dns25.hichina.com and dns26.hichina.com.

The name server configuration of 61class.com is shared with other domains, for instance houdesy.com, betterjy.org.cn, wonderfulfeels.store and two others.

The name servers of 61class.com overlap at least partially with those of other domains — among them fecable.com, lanshihui.com, haiql.com and two more.

Hosts with 9 IP addresses each:

dns25.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns26.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

Mail Servers

61class.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of 61class.com matches that of other domains such as yukeinfo.com, dsxll.com, fotonm.com and two others.

The mail servers for 61class.com overlap at least partially with those of other domains, including sooi.net and irigud.com.