classnu.com - robtex.com
classnu.com
| CNAME | usa8.huoge.org | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.238.249.163🇺🇸 FASTNET-AS156.238.248.0/23 | ||||||
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=1774962352 | ||||||
Subdomains
www.classnu.com |
Same first word
classnu.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSns11.xincache.com2026-03-27 → 2026-03-31 · 3 obs
○ 2017-04-05 17:55:42
● 2026-03-27 14:02:46
● 2026-03-31 13:14:42
● 2026-03-27 14:02:46
● 2026-03-31 13:14:42
●NSns12.xincache.com2026-03-27 → 2026-03-31 · 3 obs
○ 2017-04-05 17:55:42
● 2026-03-27 14:02:46
● 2026-03-31 13:14:42
● 2026-03-27 14:02:46
● 2026-03-31 13:14:42
○NSns13.xincache.com2015-05-16 → 2017-04-05 · 4 obs
● 2015-05-16 03:12:48
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
○NSns14.xincache.com2015-05-16 → 2017-04-05 · 4 obs
● 2015-05-16 03:12:48
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
○A61.152.239.772015-05-16 → 2017-04-05 · 4 obs
● 2015-05-16 03:12:48
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
● 2017-04-05 17:55:42
○ 2026-03-27 14:02:46
○ 2026-03-31 13:14:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net... | - |
| classnu.com | ns11.xincache.com, ns12.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns11.xincache.com, ns12.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classnu.com (unsigned zone)
⏱️ Timing
Total: 89ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns11.xincache.com, ns12.xincache.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| CNAME | 1 | usa8.huoge.org |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)
Analysis
Hierarchy
classnu.com is a parent of www.classnu.com.
IP Addresses
classnu.com points to a single IP address: 156.238.249.163.
Other host names, for instance usa8.huoge.org, share IP numbers with classnu.com.