itsemi.com - robtex.com
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 2026-04-23 #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=1777027506 | ||||||
Subdomains
mail.itsemi.com |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns3.01isp.com2015-07-24 → 2026-04-24 · 3 obs
● 2015-07-24 20:04:32
● 2026-04-24 11:11:18
○NSns3.todayisp.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-04-24 11:11:18
●NSns4.01isp.net2015-07-24 → 2026-04-24 · 3 obs
● 2015-07-24 20:04:32
● 2026-04-24 11:11:18
○NSns4.todayisp.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-04-24 11:11:18
●NSns7.01isp.com2026-04-03 → 2026-04-24 · 3 obs
● 2026-04-03 05:06:52
● 2026-04-24 11:11:18
●NSns8.01isp.net2026-04-03 → 2026-04-24 · 3 obs
● 2026-04-03 05:06:52
● 2026-04-24 11:11:18
○MXmail.itsemi.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-04-24 11:11:18
●MXmx603.now.net.cn2015-07-24 → 2026-04-24 · 3 obs
● 2015-07-24 20:04:32
● 2026-04-24 11:11:18
●MXmx603hk.now.net.cn2015-07-24 → 2026-04-24 · 3 obs
● 2015-07-24 20:04:32
● 2026-04-24 11:11:18
○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
○ 2026-04-24 11:11:18
○A162.221.6.132017-04-18 → 2017-04-18 · 4 obs
● 2017-04-18 16:09:08
○ 2026-04-03 05:06:52
○ 2026-04-24 11:11:18
○A174.128.228.1022015-07-24 → 2015-07-24 · 4 obs
● 2015-07-24 20:04:32
○ 2015-09-07 17:46:52
○ 2026-04-24 11:11:18
○A61.129.81.2052008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-24 20:04:32
○ 2026-04-24 11:11:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| itsemi.com | ns3.01isp.com, ns4.01isp.net | 1 record |
✅ Authoritative Response
Server:47.239.41.106
NS records: ns3.01isp.com, ns4.01isp.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itsemi.com (unsigned zone)
⏱️ Timing
Total: 3981ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns7.01isp.com, ns8.01isp.net |
| MX | 2 | mx603hk.now.net.cn (pri: 15), mx603.now.net.cn (pri: 10) |
| 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
itsemi.com is the parent of mail.itsemi.com.
Name Servers
itsemi.com is delegated to four name servers: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.
itsemi.com at least partially shares name servers with other domains, for instance daci.com, yujiarun.com, xiawenlan.com, gdcanal.com and baoshanec.com.
these name servers are commonly used alongside verification-30t7kid8.ns3.dan.hosting.
Host names with a single IP:
ns3.01isp.com points to 42.240.142.46.
ns7.01isp.com points to 42.240.142.46.
ns4.01isp.net points to 47.239.41.106.
ns8.01isp.net points to 47.239.41.106.
Host names pointing to 42.240.142.46: ns3.01isp.com and ns7.01isp.com.
Host names pointing to 47.239.41.106: ns4.01isp.net and ns8.01isp.net.
Mail Servers
Two mail servers handle itsemi.com: mx603.now.net.cn and mx603hk.now.net.cn.
itsemi.com shares the same mail server setup as other domains, for instance jiaoyangweb.com, gnlcn.com, yunliang4x4.com, biztrademarket.com and 740.hk.
itsemi.com shares some mail servers with other domains, at least partially, for instance bp760.com, njronghua.com.cn, zc0757.cn, liqwid.cn and laikei.com.
These mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.
Host names with one IP number:
mx603.now.net.cn points to 59.38.124.3
mx603hk.now.net.cn points to 103.242.101.198