njcore.org - robtex.com
njcore.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
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=1778712624 | ||||||
Same first word
njcore.org |
Similar names
cenjor.pt |
jcrone.com |
jcreno.ca |
jnerco.com |
econrj.fr |
corenj.com |
jcorne.com |
conjer.com |
jencor.de |
cronje.com |
cronje.ca |
jencor.ca |
econrj.com |
jconer.com |
corjen.com |
DNS History
17 records (4 active, 13 former)
○NSns1.bluehost.com2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 13:59:12
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
●NSns1.dnsimple.com2017-09-16 → 2026-05-13 · 3 obs
○ 2016-09-23 23:16:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
○NSns17.worldnic.com2016-03-03 → 2016-09-23 · 5 obs
○ 2015-08-05 13:59:12
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
○NSns18.worldnic.com2016-03-03 → 2016-09-23 · 5 obs
○ 2015-08-05 13:59:12
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
○NSns2.bluehost.com2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 13:59:12
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
●NSns2.dnsimple.com2017-09-16 → 2026-05-13 · 3 obs
○ 2016-09-23 23:16:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
●NSns3.dnsimple.com2017-09-16 → 2026-05-13 · 3 obs
○ 2016-09-23 23:16:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
●NSns4.dnsimple.com2017-09-16 → 2026-05-13 · 3 obs
○ 2016-09-23 23:16:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
● 2017-09-16 05:51:30
● 2026-05-13 23:29:24
○MXaspmx.l.google.com2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 13:59:12
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
○MXmail.b-io.co2017-08-13 → 2017-08-13 · 4 obs
○ 2016-09-23 23:16:24
● 2017-08-13 15:13:46
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
● 2017-08-13 15:13:46
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
○MXp.webcom.ctmail.com2016-09-23 → 2016-09-23 · 4 obs
○ 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-08-13 15:13:46
○ 2026-05-13 23:29:24
● 2016-09-23 23:16:24
○ 2017-08-13 15:13:46
○ 2026-05-13 23:29:24
○MXsmtp.njcore.org2017-09-16 → 2017-09-16 · 4 obs
○ 2017-08-13 15:13:46
● 2017-09-16 05:51:30
○ 2026-02-17 09:47:34
○ 2026-05-13 23:29:24
● 2017-09-16 05:51:30
○ 2026-02-17 09:47:34
○ 2026-05-13 23:29:24
○A192.237.224.602016-03-03 → 2016-09-23 · 5 obs
○ 2015-11-22 22:04:40
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-08-13 15:13:46
○ 2026-05-13 23:29:24
● 2016-03-03 13:31:10
● 2016-09-23 23:16:24
○ 2017-08-13 15:13:46
○ 2026-05-13 23:29:24
○A208.91.197.1322017-08-13 → 2017-08-13 · 4 obs
○ 2016-09-23 23:16:24
● 2017-08-13 15:13:46
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
● 2017-08-13 15:13:46
○ 2017-09-16 05:51:30
○ 2026-05-13 23:29:24
○A67.213.84.372015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 13:59:12
○ 2015-11-22 22:04:40
○ 2026-05-13 23:29:24
○ 2015-11-22 22:04:40
○ 2026-05-13 23:29:24
○A74.220.199.62015-11-22 → 2015-11-22 · 4 obs
○ 2015-08-05 13:59:12
● 2015-11-22 22:04:40
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
● 2015-11-22 22:04:40
○ 2016-03-03 13:31:10
○ 2026-05-13 23:29:24
○A83.136.253.1172017-09-16 → 2017-09-16 · 4 obs
○ 2017-08-13 15:13:46
● 2017-09-16 05:51:30
○ 2026-02-17 09:47:34
○ 2026-05-13 23:29:24
● 2017-09-16 05:51:30
○ 2026-02-17 09:47:34
○ 2026-05-13 23:29:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| njcore.org | ns4.dnsimple.com, ns2.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com | - |
✅ Authoritative Response
Server:199.247.153.53
NS records: ns4.dnsimple.com, ns2.dnsimple.com, ns1.dnsimple.com, ns3.dnsimple.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for njcore.org (unsigned zone)
⏱️ Timing
Total: 587ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
njcore.org delegates to four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.
njcore.org at least partially shares name servers with other domains, for instance cococoder.com, examcrush.com, proceptbiorototics.com, snuggpro.com and ckmail4.com.
These name servers are commonly used with ns4.dnsimple-edge.org and ns2.dnsimple-edge.net.
Host names with two IP numbers: ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4; ns2.dnsimple.com points to 2620:111:8005::53 and 199.247.153.53; ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4; ns4.dnsimple.com points to 2620:111:8007::53 and 199.247.155.53.