java.org - dns.ninja
java.org
| DNSSEC | β οΈ Not signed | ||||||
| A | 146.145.196.172πΊπΈ WINDSTREAM-1146.145.0.0/16 Windstream Aggregate (AS7029) | ||||||
| NS | auth1.dns.cogentco.com β β οΈ Not in parent delegation | ||||||
| A | 2001:550:1:a::dπΊπΈ COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14πΊπΈ COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com β οΈ Not in parent delegation | ||||||
| A | 2001:550:1:b::dπΊπΈ COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30πΊπΈ COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| NS | pri4.dns.psi.net β οΈ Not in zone NS records | ||||||
| A | 66.28.0.14πΊπΈ COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | pri5.dns.psi.net β οΈ Not in zone NS records | ||||||
| A | 66.28.0.30πΊπΈ COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| NS | pri6.dns.psi.net β οΈ Not in zone NS records | ||||||
| A | 66.28.0.14πΊπΈ COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2003-06-12 #1 | ||||||
org
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info β β οΈ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784628542 | ||||||
Subdomains
www.java.org |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
βNSauth1.dns.cogentco.com2015-06-11 β 2026-07-21 Β· 5 obs
β 2016-02-11 04:54:26
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βNSauth2.dns.cogentco.com2015-06-11 β 2026-07-21 Β· 5 obs
β 2016-02-11 04:54:26
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βNSauth4.dns.cogentco.com2015-06-11 β 2017-01-12 Β· 6 obs
β 2016-02-11 04:54:26
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-02-26 15:30:54
β 2026-07-21 10:24:26
βNSauth5.dns.cogentco.com2015-06-11 β 2017-01-12 Β· 6 obs
β 2016-02-11 04:54:26
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-02-26 15:30:54
β 2026-07-21 10:24:26
βNSns45.domaincontrol.com2016-09-24 β 2016-09-24 Β· 4 obs
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βNSns46.domaincontrol.com2016-09-24 β 2016-09-24 Β· 4 obs
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βNSpri4.dns.psi.net2026-02-26 β 2026-07-21 Β· 3 obs
β 2026-02-26 15:30:54
β 2026-07-21 10:24:26
βNSpri5.dns.psi.net2026-02-26 β 2026-07-21 Β· 3 obs
β 2026-02-26 15:30:54
β 2026-07-21 10:24:26
βNSpri6.dns.psi.net2026-02-26 β 2026-07-21 Β· 3 obs
β 2026-02-26 15:30:54
β 2026-07-21 10:24:26
βMXmailstore1.secureserver.net2016-09-24 β 2016-09-24 Β· 3 obs
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βMXsmtp.secureserver.net2016-09-24 β 2016-09-24 Β· 3 obs
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βA146.145.196.1722015-06-11 β 2026-07-21 Β· 5 obs
β 2016-02-11 04:54:26
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
βA184.168.221.542016-09-24 β 2016-09-24 Β· 4 obs
β 2016-09-24 04:33:22
β 2017-01-12 14:50:54
β 2026-07-21 10:24:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| java.org | pri6.dns.psi.net, pri5.dns.psi.net, pri4.dns.psi.net | - |
β Authoritative Response
Server:66.28.0.14
NS records: pri6.dns.psi.net, pri5.dns.psi.net, pri4.dns.psi.net
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for java.org (unsigned zone)
β±οΈ Timing
Total: 624ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.145.196.172 |
| NS | 2 | auth2.dns.cogentco.com, auth1.dns.cogentco.com |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
Analysis
Hierarchy
www.java.org is delegated beneath java.org.
IP Addresses
java.org points to a single IP number: 146.145.196.172.
Name Servers
Delegation for java.org is to five name servers: auth1.dns.cogentco.com, auth2.dns.cogentco.com, pri4.dns.psi.net and two others.
There is at least partial name server overlap between java.org and other domains β arkemail.us, 243.204.in-addr.arpa, 146.121.38.in-addr.arpa and two more among them.
These name servers tend to appear in combination with the name servers pri5.dns.psi.net, pri6.dns.psi.net, auth4.dns.cogentco.com and auth5.dns.cogentco.com.
Host names with two IP numbers:
auth1.dns.cogentco.com maps to two IP addresses β 66.28.0.14 and 2001:550:1:a::d.
auth2.dns.cogentco.com maps to two IP addresses β 66.28.0.30 and 2001:550:1:b::d.
Host names pointing to a single IP address:
pri4.dns.psi.net points to the IP address 66.28.0.14.
pri5.dns.psi.net points to the IP address 66.28.0.30.
pri6.dns.psi.net points to the IP address 66.28.0.14.
auth1.dns.cogentco.com, pri4.dns.psi.net and pri6.dns.psi.net are host names that all point to 66.28.0.14.
These two host names β auth2.dns.cogentco.com and pri5.dns.psi.net β each point to 66.28.0.30 IP addresses.