linuxstudy.org - dns.ninja
linuxstudy.org
| DNSSEC | ⚠️ Not signed | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.pir-ns.org ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org ⚠️ Not in zone NS records | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| NS | v0n1.pir-ns.org ⚠️ Not in parent delegation | ||||||
| NS | v0n2.pir-ns.org ⚠️ Not in parent delegation | ||||||
| SOA | v0n0.pir-ns.orghostmaster@donuts.email serial=1793802165 | ||||||
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DNS History
6 records (0 active, 6 former)
○NSdns1.ahcme.edu.cn2015-08-10 → 2015-12-03 · 4 obs
● 2015-08-10 13:46:48
● 2015-12-03 21:30:52
○ 2016-03-17 13:24:26
○ 2026-11-04 15:03:56
● 2015-12-03 21:30:52
○ 2016-03-17 13:24:26
○ 2026-11-04 15:03:56
○NSdns1.linuxstudy.org2016-03-17 → 2017-02-15 · 5 obs
○ 2015-12-03 21:30:52
● 2016-03-17 13:24:26
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
● 2016-03-17 13:24:26
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
○NSdns2.ahcme.edu.cn2015-08-10 → 2015-12-03 · 4 obs
● 2015-08-10 13:46:48
● 2015-12-03 21:30:52
○ 2016-03-17 13:24:26
○ 2026-11-04 15:03:56
● 2015-12-03 21:30:52
○ 2016-03-17 13:24:26
○ 2026-11-04 15:03:56
○NSdns2.linuxstudy.org2016-03-17 → 2017-02-15 · 5 obs
○ 2015-12-03 21:30:52
● 2016-03-17 13:24:26
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
● 2016-03-17 13:24:26
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
○NSns11.xincache.com2020-01-01 → 2020-01-01 · 4 obs
○ 2017-02-15 21:57:06
● 2020-01-01 22:39:38
○ 2026-03-24 13:54:20
○ 2026-11-04 15:03:56
● 2020-01-01 22:39:38
○ 2026-03-24 13:54:20
○ 2026-11-04 15:03:56
○A121.251.49.2282015-08-10 → 2017-02-15 · 4 obs
● 2015-08-10 13:46:48
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
● 2017-02-15 21:57:06
○ 2020-01-01 22:39:38
○ 2026-11-04 15:03:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
✅ Authoritative Response
Server:199.19.54.1
NS records: b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 670ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|