java.org - robtex.com
java.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 146.145.196.172🇺🇸 WINDSTREAM-1146.145.0.0/16 Windstream Aggregate (AS7029) | ||||||
| NS | auth1.dns.cogentco.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com ⚠️ Not in parent delegation | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| NS | pri4.dns.psi.net ⚠️ Not in zone NS records | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | pri5.dns.psi.net ⚠️ Not in zone NS records | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| NS | pri6.dns.psi.net ⚠️ Not in zone NS records | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2003-06-12 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777002756 | ||||||
Subdomains
www.java.org |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSauth1.dns.cogentco.com2015-06-11 → 2026-04-24 · 5 obs
● 2016-02-11 04:54:26
○ 2016-09-24 04:33:22
● 2017-01-12 14:50:54
● 2026-04-24 04:07:34
●NSauth2.dns.cogentco.com2015-06-11 → 2026-04-24 · 5 obs
● 2016-02-11 04:54:26
○ 2016-09-24 04:33:22
● 2017-01-12 14:50:54
● 2026-04-24 04:07:34
○NSauth4.dns.cogentco.com2015-06-11 → 2017-01-12 · 6 obs
● 2016-02-11 04:54:26
○ 2016-09-24 04:33:22
● 2017-01-12 14:50:54
○ 2026-02-26 15:30:54
○ 2026-04-24 04:07:34
○NSauth5.dns.cogentco.com2015-06-11 → 2017-01-12 · 6 obs
● 2016-02-11 04:54:26
○ 2016-09-24 04:33:22
● 2017-01-12 14:50:54
○ 2026-02-26 15:30:54
○ 2026-04-24 04:07:34
○NSns45.domaincontrol.com2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:22
○ 2017-01-12 14:50:54
○ 2026-04-24 04:07:34
○NSns46.domaincontrol.com2016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:22
○ 2017-01-12 14:50:54
○ 2026-04-24 04:07:34
●NSpri4.dns.psi.net2026-02-26 → 2026-04-24 · 3 obs
● 2026-02-26 15:30:54
● 2026-04-24 04:07:34
●NSpri5.dns.psi.net2026-02-26 → 2026-04-24 · 3 obs
● 2026-02-26 15:30:54
● 2026-04-24 04:07:34
●NSpri6.dns.psi.net2026-02-26 → 2026-04-24 · 3 obs
● 2026-02-26 15:30:54
● 2026-04-24 04:07:34
○MXmailstore1.secureserver.net2016-09-24 → 2016-09-24 · 3 obs
○ 2017-01-12 14:50:54
○ 2026-04-24 04:07:34
○MXsmtp.secureserver.net2016-09-24 → 2016-09-24 · 3 obs
○ 2017-01-12 14:50:54
○ 2026-04-24 04:07:34
●A146.145.196.1722015-06-11 → 2026-04-24 · 5 obs
● 2016-02-11 04:54:26
○ 2016-09-24 04:33:22
● 2017-01-12 14:50:54
● 2026-04-24 04:07:34
○A184.168.221.542016-09-24 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:22
○ 2017-01-12 14:50:54
○ 2026-04-24 04:07:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| java.org | pri6.dns.psi.net, pri5.dns.psi.net, pri4.dns.psi.net | - |
✅ Authoritative Response
Server:66.28.0.30
NS records: pri6.dns.psi.net, pri5.dns.psi.net, pri4.dns.psi.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for java.org (unsigned zone)
⏱️ Timing
Total: 300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.145.196.172 |
| NS | 2 | auth1.dns.cogentco.com, auth2.dns.cogentco.com |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
Analysis
Hierarchy
The parent of www.java.org is java.org.
IP Addresses
java.org points to IP number: 146.145.196.172.
Name Servers
java.org is delegated to five name servers: auth1.dns.cogentco.com, auth2.dns.cogentco.com, pri4.dns.psi.net, pri5.dns.psi.net and pri6.dns.psi.net.
java.org at least partially shares name servers with other domains, for instance arkemail.us, 243.204.in-addr.arpa, 146.121.38.in-addr.arpa, lax10.atlas.cogentco.com and lon19.atlas.cogentco.com.
these name servers are commonly used with auth4.dns.cogentco.com, auth5.dns.cogentco.com, nsa.ups.com, nsb.ups.com, shadowcat-i.ups.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.
Host names with two IP numbers: auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.
Host names with one IP number: pri4.dns.psi.net points to 66.28.0.14; pri5.dns.psi.net points to 66.28.0.30; pri6.dns.psi.net points to 66.28.0.14.
Host names that point to 66.28.0.14: auth1.dns.cogentco.com, pri4.dns.psi.net and pri6.dns.psi.net.
Host names that point to 66.28.0.30: auth2.dns.cogentco.com and pri5.dns.psi.net.