01sem.com - robtex.com
01sem.com
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=1771291435 | ||||||
Same first word
01sem.com |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns11.xincache.com2026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 11:03:04
●NSns13.xincache.com2015-08-20 → 2026-03-14 · 2 obs
● 2026-03-14 11:03:04
●NSns14.xincache.com2015-08-20 → 2026-03-14 · 2 obs
● 2026-03-14 11:03:04
○A14.102.249.112015-08-20 → 2016-03-08 · 4 obs
● 2016-03-08 10:17:20
○ 2016-08-10 09:31:42
○ 2026-03-14 11:03:04
●A47.104.21.2182026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 11:03:04
○A61.155.168.1872016-08-10 → 2016-08-10 · 3 obs
● 2016-08-10 09:31:42
○ 2026-03-14 11:03:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 01sem.com | ns13.xincache.com, ns14.xincache.com | 12 records |
✅ Authoritative Response
Server: 1.12.0.1
NS records: ns13.xincache.com, ns14.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 01sem.com (unsigned zone)
⏱️ Timing
Total: 189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.104.21.218 |
| NS | 2 | ns13.xincache.com, ns14.xincache.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns13.xincache.com, ns13.xincache.com, ns13.xincache.com...)
Analysis
IP Addresses
01sem.com points to a single IP address: 47.104.21.218.
Name Servers
01sem.com is delegated to three name servers: ns11.xincache.com, ns13.xincache.com and ns14.xincache.com.
At least part of the name servers for 01sem.com are shared with other domains, for instance mpa.org.cn, idujing.com, jkleader.com, longzhenzs.com and nkmba.com.
these name servers are commonly used with the name servers ns12.xincache.com, ns17.xincache.com, ns18.xincache.com, ns19.xincache.com, ns20.xincache.com, ns15.xincache.com, ns16.xincache.com, ce1.xincache.com, ce2.xincache.com and f1g1ns1.dnspod.net.
Host names with eight IP numbers: The host names ns11.xincache.com and ns13.xincache.com point to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Host names with seven IP numbers: The host name ns14.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Host names that point to any of 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209 are ns11.xincache.com and ns13.xincache.com.
Mail Servers
01sem.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
01sem.com uses the same mail server setup as other domains, for instance 365myschool.com, fookyik.com, thefair.net.cn, asia-rich.com and zysqc.com.
01sem.com shares some mail servers with other domains at least partially, for example thaifintech.cn, poagent.com and yhgg8.com.
Host names with two IPs:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP:
mxbiz2.qq.com points to 203.205.232.191.
Host names pointing to 203.205.232.191: