aitech.edu.cn - robtex.com
aitech.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:250:588a:0:42:247:100:95🇨🇳 ERX-CERNET-BKB2001:250:588a::/48 | ||||||
| A | 42.247.100.95🇨🇳 ERX-CERNET-BKB42.246.0.0/15 CERNET | ||||||
| NS | dns1.aitech.edu.cn ⭐ | ||||||
| A | 2001:250:588a:2002::2🇨🇳 ERX-CERNET-BKB2001:250:588a::/48 | ||||||
| A | 42.247.100.93🇨🇳 ERX-CERNET-BKB42.246.0.0/15 CERNET | ||||||
| NS | dns2.aitech.edu.cn | ||||||
| A | 2001:250:588a:2002::3🇨🇳 ERX-CERNET-BKB2001:250:588a::/48 | ||||||
| A | 42.247.100.92🇨🇳 ERX-CERNET-BKB42.246.0.0/15 CERNET | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns1.aitech.edu.cnadmin@admin.com serial=1774848838 | ||||||
edu.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns2.edu.cn ⭐ | ||||||
| NS | dns.edu.cn | ||||||
| NS | dns3.edu.cn | ||||||
| NS | ns2.cernet.net | ||||||
| NS | ns4.cernet.net | ||||||
| NS | ns5.cernet.net | ||||||
| SOA | dns.edu.cnhostmaster@net.edu.cn 2026-03-30 #14 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.aitech.edu.cn2026-03-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:12:34
●NSdns2.aitech.edu.cn2026-03-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:12:34
●A2001:250:588a:0:42:247:100:952026-03-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:12:34
●A42.247.100.952026-03-26 → 2026-03-30 · 2 obs
● 2026-03-30 13:12:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu.cn | dns.edu.cn, dns2.edu.cn, dns3.edu.cn | - |
| aitech.edu.cn | dns1.aitech.edu.cn, dns2.aitech.edu.cn | 4 records |
✅ Authoritative Response
Server:42.247.100.92
NS records: dns1.aitech.edu.cn, dns2.aitech.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for edu.cn (unsigned zone)
⏱️ Timing
Total: 1065ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.247.100.95 |
| AAAA | 1 | 2001:250:588a:0:42:247:100:95 |
| NS | 2 | dns1.aitech.edu.cn, dns2.aitech.edu.cn |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns1.aitech.edu.cn admin.admin.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (dns2.aitech.edu.cn, dns1.aitech.edu.cn, dns2.aitech.edu.cn...)
Analysis
IP Addresses
aitech.edu.cn resolves to two IP numbers: 2001:250:588a:0:42:247:100:95 and 42.247.100.95.
Name Servers
aitech.edu.cn has two name servers: dns1.aitech.edu.cn and dns2.aitech.edu.cn.
Host names with two IP numbers:
dns1.aitech.edu.cn points to: 2001:250:588a:2002::2 and 42.247.100.93; dns2.aitech.edu.cn points to: 2001:250:588a:2002::3 and 42.247.100.92.
Mail Servers
aitech.edu.cn is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
aitech.edu.cn shares the mail server setup with other domains, for example persongen.com, custom-clothes.com, acono.cn, 1198.hk and buthy.com.
aitech.edu.cn shares some mail servers with other domains, at least partially, for instance sao.bi, hzrope.com and honghuigarment.com.