61class.com - robtex.com
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.comhostmaster@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.netnstld@verisign-grs.com serial=1774402057 | ||||||
Same first word
61class.com |
Similar names
DNS History
11 records (5 active, 6 former)
○NSdns10.hichina.com2015-10-13 → 2017-05-18 · 5 obs
● 2015-10-13 09:24:34
● 2017-05-18 07:07:36
○ 2026-03-24 04:36:42
○ 2026-03-25 01:42:44
●NSdns25.hichina.com2026-03-24 → 2026-03-25 · 3 obs
● 2026-03-24 04:36:42
● 2026-03-25 01:42:44
●NSdns26.hichina.com2026-03-24 → 2026-03-25 · 3 obs
● 2026-03-24 04:36:42
● 2026-03-25 01:42:44
○NSdns9.hichina.com2015-10-13 → 2017-05-18 · 5 obs
● 2015-10-13 09:24:34
● 2017-05-18 07:07:36
○ 2026-03-24 04:36:42
○ 2026-03-25 01:42:44
○NSns1.alookup.net2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-13 09:24:34
○ 2026-03-25 01:42:44
○NSns2.alookup.net2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-13 09:24:34
○ 2026-03-25 01:42:44
○A123.57.144.752016-04-01 → 2016-04-01 · 4 obs
● 2016-04-01 00:36:30
○ 2017-05-18 07:07:36
○ 2026-03-25 01:42:44
●A203.107.45.1672026-03-24 → 2026-03-25 · 3 obs
● 2026-03-24 04:36:42
● 2026-03-25 01:42:44
○A38.97.225.1352008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-13 09:24:34
○ 2026-03-25 01:42:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.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: 3546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.107.45.167 |
| NS | 2 | dns25.hichina.com, dns26.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| 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 resolves to one IP number: 203.107.45.167.
Other host names, for instance dsprint.com.cn, ahbztv.com, reboboat.com, sanmoo.com and suweiboxin.com share IP numbers with 61class.com.
Name Servers
61class.com's delegation uses two name servers: dns25.hichina.com and dns26.hichina.com.
61class.com uses the same name server setup as other domains, such as houdesy.com, betterjy.org.cn, wonderfulfeels.store, 5rar.com and rdpc.cn.
61class.com at least partially shares name servers with other domains, including fecable.com, lanshihui.com, ybhzhzq.cn, 88887858.com and hegd.org.
These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: The host name dns25.hichina.com points to 2408:4009:501::33, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109. The host name dns26.hichina.com points to 2408:4009:501::34, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
Mail Servers
61class.com is served by two mail servers mxbiz1.qq.com and mxbiz2.qq.com.
61class.com shares the same mail server setup as other domains, for instance yukeinfo.com, dsxll.com, michang.cn, jwrange.com and likecan.com.
61class.com shares at least some mail servers with other domains, for instance sooi.net, irigud.com and zhedna.com.