securitycourses.org - dns.ninja
securitycourses.org
| DNSSEC | ⚠️ Not signed | ||||||
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=1783208950 | ||||||
Same first word
securitycourses.org |
securitycourses.com |
DNS History
9 records (0 active, 9 former)
○NSns29.domaincontrol.com2016-01-18 → 2016-11-08 · 4 obs
● 2016-01-18 04:26:50
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
○NSns30.domaincontrol.com2016-01-18 → 2016-11-08 · 4 obs
● 2016-01-18 04:26:50
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
○NSns31.domaincontrol.com2026-07-05 → 2026-07-05 · 1 obs
○ 2026-07-05 00:19:30
○NSns32.domaincontrol.com2026-07-05 → 2026-07-05 · 1 obs
○ 2026-07-05 00:19:30
○MXmailstore1.secureserver.net2016-01-18 → 2016-11-08 · 4 obs
● 2016-01-18 04:26:50
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
○MXsmtp.secureserver.net2016-01-18 → 2016-11-08 · 4 obs
● 2016-01-18 04:26:50
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
○A15.197.148.332026-07-05 → 2026-07-05 · 1 obs
○ 2026-07-05 00:19:30
○A3.33.130.1902026-07-05 → 2026-07-05 · 1 obs
○ 2026-07-05 00:19:30
○A50.63.202.522016-01-18 → 2016-11-08 · 4 obs
● 2016-01-18 04:26:50
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
● 2016-11-08 14:44:02
○ 2017-05-23 06:02:54
○ 2026-07-05 00:19:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
✅ Authoritative Response
Server:199.19.57.1
NS records: b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|