itsemi.com - dns.ninja
itsemi.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.01isp.com ⭐ ⚠️ Not in zone NS records | ||||||
| A | 42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom | ||||||
| NS | ns4.01isp.net ⚠️ Not in zone NS records | ||||||
| A | 47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| NS | ns7.01isp.com ⚠️ Not in parent delegation | ||||||
| A | 42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom | ||||||
| NS | ns8.01isp.net ⚠️ Not in parent delegation | ||||||
| A | 47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| MX | mx603.now.net.cn ⭐ | ||||||
| A | 59.38.124.3🇨🇳 CHINANET-BACKBONE59.32.0.0/13 China Telecom Network | ||||||
| MX | mx603hk.now.net.cn(15) | ||||||
| A | 103.242.101.198🇻🇳 SOUTH-VN103.242.101.0/24 | ||||||
| TXT | v=spf1 include:speedmail.cn -all | ||||||
| SOA | ns3.01isp.comadmin@now.cn 2026-07-23 #1 | ||||||
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=1784957007 | ||||||
Subdomains
mail.itsemi.com |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns3.01isp.com2015-07-24 → 2026-07-25 · 3 obs
● 2015-07-24 20:04:32
● 2026-07-25 05:43:30
○NSns3.todayisp.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-07-25 05:43:30
●NSns4.01isp.net2015-07-24 → 2026-07-25 · 3 obs
● 2015-07-24 20:04:32
● 2026-07-25 05:43:30
○NSns4.todayisp.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-07-25 05:43:30
●NSns7.01isp.com2026-04-03 → 2026-07-25 · 6 obs
● 2026-04-03 05:06:52
● 2026-04-24 14:27:32
○ 2026-06-07 07:28:32
● 2026-07-13 01:32:30
● 2026-07-25 05:43:30
●NSns8.01isp.net2026-04-03 → 2026-07-25 · 6 obs
● 2026-04-03 05:06:52
● 2026-04-24 14:27:32
○ 2026-06-07 07:28:32
● 2026-07-13 01:32:30
● 2026-07-25 05:43:30
○MXmail.itsemi.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-07-25 05:43:30
●MXmx603.now.net.cn2015-07-24 → 2026-07-25 · 6 obs
● 2015-07-24 20:04:32
● 2026-04-24 14:27:32
○ 2026-06-07 07:28:32
● 2026-07-13 01:32:30
● 2026-07-25 05:43:30
●MXmx603hk.now.net.cn2015-07-24 → 2026-07-25 · 6 obs
● 2015-07-24 20:04:32
● 2026-04-24 14:27:32
○ 2026-06-07 07:28:32
● 2026-07-13 01:32:30
● 2026-07-25 05:43:30
○A111.221.108.962015-09-07 → 2015-12-18 · 5 obs
● 2015-09-07 17:46:52
● 2015-12-18 08:43:30
○ 2017-04-18 16:09:08
○ 2026-07-25 05:43:30
○A162.221.6.132017-04-18 → 2017-04-18 · 4 obs
● 2017-04-18 16:09:08
○ 2026-04-03 05:06:52
○ 2026-07-25 05:43:30
○A174.128.228.1022015-07-24 → 2015-07-24 · 4 obs
● 2015-07-24 20:04:32
○ 2015-09-07 17:46:52
○ 2026-07-25 05:43:30
○A61.129.81.2052008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-07-25 05:43:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| itsemi.com | ns3.01isp.com, ns4.01isp.net | 1 record |
✅ Authoritative Response
Server:42.240.142.46
NS records: ns3.01isp.com, ns4.01isp.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itsemi.com (unsigned zone)
⏱️ Timing
Total: 1357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns7.01isp.com, ns8.01isp.net |
| MX | 2 | mx603.now.net.cn (pri: 10), mx603hk.now.net.cn (pri: 15) |
| TXT | 1 | v=spf1 include:speedmail.cn -all |
| SOA | 1 | ns3.01isp.com admin.now.cn |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns3.01isp.com)
Analysis
Hierarchy
mail.itsemi.com is delegated beneath itsemi.com.
Name Servers
The domain itsemi.com is delegated to these four name servers: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.
There is at least partial name server overlap between itsemi.com and other domains — daci.com, yujiarun.com, gdcanal.com and two more among them.
These name servers are routinely deployed together with the name servers verification-30t7kid8.ns3.dan.hosting.
Each of ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net has a single IP address — ns3.01isp.com and ns7.01isp.com direct to 42.240.142.46, and ns4.01isp.net and ns8.01isp.net direct to 47.239.41.106.
Host names pointing to 42.240.142.46 IP addresses: ns3.01isp.com and ns7.01isp.com.
Host names pointing to 47.239.41.106 IP addresses: ns4.01isp.net and ns8.01isp.net.
Mail Servers
The MX records for itsemi.com point to two mail servers: mx603.now.net.cn and mx603hk.now.net.cn.
itsemi.com has the same mail server arrangement as a number of other domains, for example jiaoyangweb.com, gnlcn.com, yunliang4x4.com and two more.
itsemi.com shares at least some of its mail servers with other domains — for example bp760.com, njronghua.com.cn, zc0757.cn and two more.
These mail servers are routinely seen in conjunction with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
mx603.now.net.cn → 59.38.124.3 and mx603hk.now.net.cn → 103.242.101.198: one IP number per host name.