icclass.com - dns.ninja
icclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.52.212.121🇨🇳 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 | 121.52.212.121🇨🇳 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=1784742717 | ||||||
rank #85794 in the tld
📈 Tranco rank: #720,848
MX for
icclass.com |
Same first word
icclass.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSdns10.hichina.com2015-08-08 → 2026-07-22 · 2 obs
● 2026-07-22 18:20:22
●NSdns9.hichina.com2015-08-08 → 2026-07-22 · 2 obs
● 2026-07-22 18:20:22
●MXicclass.com2026-02-23 → 2026-07-22 · 3 obs
● 2026-02-23 07:52:38
● 2026-07-22 18:20:22
○MXmxn.mxhichina.com2016-02-29 → 2017-04-01 · 4 obs
● 2017-04-01 00:08:38
○ 2026-02-23 07:52:38
○ 2026-07-22 18:20:22
●A121.52.212.1212026-06-01 → 2026-07-22 · 3 obs
● 2026-06-01 12:05:36
● 2026-07-22 18:20:22
○A121.52.212.742015-08-08 → 2026-05-09 · 4 obs
● 2026-05-09 08:39:08
○ 2026-06-01 12:05:36
○ 2026-07-22 18:20:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, d.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: 545ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.52.212.121 |
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| MX | 1 | icclass.com (pri: 10) |
| TXT | 3 | v=spf1 a:icclass.com -all, v=spf1 ip4:121.52.212.74 ~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
The MX record for icclass.com points back to icclass.com — it is its own mail server.
IP Addresses
icclass.com directs to one IP number, which is 121.52.212.121.
Host names like mooclm.com are further examples that share IP numbers with icclass.com.
Name Servers
Two name servers handle the delegation for icclass.com: dns10.hichina.com and dns9.hichina.com.
icclass.com has the same name server delegation as a number of other domains, such as mvpsoft.cn, qqdcw.cn, sihongcloud.com and two more.
The name servers of icclass.com overlap at least partially with those of other domains — among them jikebufa.cn, ifuture.me, bluetwos.com and two more.
These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names resolving to 9 IP numbers:
dns10.hichina.com resolves to 39.96.153.41, 39.96.153.51 and 47.118.199.201 among others, with 6 other IP addresses in total.
dns9.hichina.com resolves to 39.96.153.42, 39.96.153.52 and 47.118.199.202 among others, with 6 other IP addresses in total.
Mail Servers
The MX record for icclass.com points to a single mail server: icclass.com.
icclass.com carries a single IP number, which is 121.52.212.121.