java4u.cn - robtex.com
java4u.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035252342 | ||||||
Same first word
Previous names
jauu.cn |
jauuu.cn |
jauuw.cn |
jauv.cn |
jauyc.cn |
jauyl.cn |
jav.cn |
jav101.cn |
java-bj.cn |
java-sh.cn |
java119.cn |
java123.cn |
java18.cn |
java1981.cn |
java2s.cn |
java3.cn |
Next names
java666.cn |
java68.cn |
java8.cn |
java9.cn |
java996.cn |
javaa.cn |
javaai.cn |
javaapi.cn |
javaba.cn |
javabank.cn |
javabean.cn |
javabetter.cn |
javabike.cn |
javabiz.cn |
javablog.cn |
javabo.cn |
javaboot.cn |
javabot.cn |
DNS History
3 records (3 active, 0 former)
●NSf1g1ns1.dnspod.net2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-31 02:35:52
●NSf1g1ns2.dnspod.net2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-31 02:35:52
●A43.142.10.1552026-08-30 → 2026-08-31 · 2 obs
● 2026-08-31 02:35:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, ns.cernet.net, a.dns.cn... | 11 records |
| java4u.cn | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:220.196.136.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for java4u.cn (unsigned zone)
⏱️ Timing
Total: 1592ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.142.10.155 |
| NS | 2 | f1g1ns2.dnspod.net, f1g1ns1.dnspod.net |
| TXT | 1 | google-site-verification=_Gs9hNn1Wg5m3g5 |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
java4u.cn points to a single IP number: 43.142.10.155.
Name Servers
The NS records for java4u.cn delegate to f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
java4u.cn shares its name server setup with other domains, including gthyy.com, wj2015.com, socaero.net and two others.
The name servers of java4u.cn overlap at least partially with those of other domains — among them rhld.cn, td2.ubisoft.cn, mej7hf.icu and two more.
The name servers a.dnspod.com, c.dnspod.com and b.dnspod.com are commonly seen alongside these name servers.
Host names with 8 IP numbers:
f1g1ns2.dnspod.net maps to 1.12.0.1, 1.13.76.35, 36.155.149.35 and 5 additional IP addresses.
Host names with 7 IP numbers:
f1g1ns1.dnspod.net maps to 1.12.0.4, 1.14.119.35, 111.13.13.35 and 4 additional IP addresses.