icclass.com - robtex.com
icclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.52.212.74🇨🇳 CHINANET-BJ-METRO121.52.208.0/20 CMI (Customer Route) | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 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 | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 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 | icclass.com ⭐ | ||||||
| A | 121.52.212.74🇨🇳 CHINANET-BJ-METRO121.52.208.0/20 CMI (Customer Route) | ||||||
| TXT | v=spf1 ip4:121.52.212.74 ~all | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| TXT | v=spf1 a:icclass.com -all | ||||||
| SOA | dns9.hichina.comhostmaster@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.netnstld@verisign-grs.com serial=1778305241 | ||||||
rank #88517 in the tld
MX for
icclass.com |
Same first word
icclass.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns10.hichina.com2015-08-08 → 2026-05-09 · 2 obs
● 2026-05-09 05:55:24
●NSdns9.hichina.com2015-08-08 → 2026-05-09 · 2 obs
● 2026-05-09 05:55:24
●MXicclass.com2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 07:52:38
● 2026-05-09 05:55:24
○MXmxn.mxhichina.com2016-02-29 → 2017-04-01 · 4 obs
● 2017-04-01 00:08:38
○ 2026-02-23 07:52:38
○ 2026-05-09 05:55:24
●A121.52.212.742015-08-08 → 2026-05-09 · 2 obs
● 2026-05-09 05:55:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net... | - |
| icclass.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for icclass.com (unsigned zone)
⏱️ Timing
Total: 3975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.52.212.74 |
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 1 | icclass.com (pri: 10) |
| TXT | 3 | v=spf1 include:spf.mxhichina.com -all, v=spf1 a:icclass.com -all... |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)
Analysis
Mail Server Role
icclass.com serves as a mail server for icclass.com.
IP Addresses
icclass.com points to a single IP: 121.52.212.74.
Other host names, such as mooclm.com, share IP numbers with icclass.com.
Name Servers
Two name servers dns10.hichina.com and dns9.hichina.com handle delegation for icclass.com.
icclass.com uses the same name server setup as other domains, for example mvpsoft.cn, qqdcw.cn, sihongcloud.com, chrm.cn and showpay.cc.
icclass.com partially shares name servers with other domains; examples include jikebufa.cn, ifuture.me, hangzhouxlm.com, wlteck.com and zeshou.com.
These name servers are often used with the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
icclass.com is handled by a single mail server, icclass.com.
icclass.com points to a single IP: 121.52.212.74.