hou.edu.cn - robtex.com
hou.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.service.edu.cn ⭐ | ||||||
| A | 2001:da8:257:2222::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.5.49🇨🇳 ERX-CERNET-BKB202.112.0.0/16 | ||||||
| PTR | ns1.service.edu.cn | ||||||
| NS | ns2.service.edu.cn | ||||||
| A | 2001:da8:257:1111::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.4.49🇨🇳 CNGI-BJ-IX2-AS-AP202.112.4.0/24 CMI (Customer Route) | ||||||
| PTR | ns2.service.edu.cn | ||||||
| MX | mx2.c3.icoremail.net ⭐ | ||||||
| A | 59.111.193.91🇨🇳 NETEASECN59.111.192.0/23 | ||||||
| A | 59.111.193.92🇨🇳 NETEASECN59.111.192.0/23 | ||||||
| MX | mx.c3.icoremail.net(10) | ||||||
| A | 89.168.78.125🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation | ||||||
| PTR | org-mxproxy.icoremail.net | ||||||
| A | 139.162.158.182🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies | ||||||
| PTR | li1425-182.members.linode.com | ||||||
| A | 165.154.163.126🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| PTR | ucloud-mxproxy.icoremail.net | ||||||
| TXT | v=spf1 include:spf.icoremail.net -all | ||||||
| SOA | ns1.service.edu.cnsuzs@cernet.com serial=3041384610 | ||||||
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 2026-05-08 #22 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.service.edu.cn2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:28
●NSns2.service.edu.cn2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:28
●MXmx.c3.icoremail.net2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:28
●MXmx2.c3.icoremail.net2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| hou.edu.cn | ns2.service.edu.cn, ns1.service.edu.cn | 4 records |
✅ Authoritative Response
Server:202.112.5.49
NS records: ns2.service.edu.cn, ns1.service.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hou.edu.cn (unsigned zone)
⏱️ Timing
Total: 1932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.service.edu.cn, ns2.service.edu.cn |
| MX | 2 | mx2.c3.icoremail.net (pri: 10), mx.c3.icoremail.net (pri: 5) |
| TXT | 1 | v=spf1 include:spf.icoremail.net -all |
| SOA | 1 | ns1.service.edu.cn suzs.cernet.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Out-of-bailiwick: 4 (ns2.service.edu.cn, ns1.service.edu.cn, ns2.service.edu.cn...)
Analysis
Name Servers
hou.edu.cn is delegated to two name servers: ns1.service.edu.cn and ns2.service.edu.cn.
hou.edu.cn shares the same name server setup as wku.edu.cn, gdfs.edu.cn, gxaqzy.edu.cn, gdafc.edu.cn and bvclss.edu.cn.
hou.edu.cn shares name servers with other domains at least partially, for instance syuct.edu.cn and jlenu.edu.cn.
Host names with two IP numbers: ns1.service.edu.cn points to: 2001:da8:257:2222::8888 and 202.112.5.49; ns2.service.edu.cn points to: 2001:da8:257:1111::8888 and 202.112.4.49.
Mail Servers
hou.edu.cn is handled by two mail servers: mx2.c3.icoremail.net and mx.c3.icoremail.net.
The mail server setup for hou.edu.cn matches that of other domains, for instance bys.com, geoptical.com, tito-associati.com, wxsws.cn and risewell.cn.
hou.edu.cn shares at least partially some mail servers with other domains, including jammerall.com, qjjs.com, qdrepute.com, iat.cn and apollochina.com.
Host names with three IP numbers:
mx.c3.icoremail.net points to: 89.168.78.125, 139.162.158.182 and 165.154.163.126.
Host names with two IP numbers:
mx2.c3.icoremail.net points to: 59.111.193.91 and 59.111.193.92.