by337.cn - robtex.com
by337.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034796149 | ||||||
Similar names
DNS History
6 records (0 active, 6 former)
○NSjuming.dnsdun.com2020-03-05 → 2020-03-05 · 4 obs
○ 2017-02-14 18:18:28
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
○NSjuming.dnsdun.net2020-03-05 → 2020-03-05 · 4 obs
○ 2017-02-14 18:18:28
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
○NSns1.dnsdun.com2016-06-24 → 2017-02-14 · 4 obs
● 2016-06-24 09:09:06
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
○NSns2.dnsdun.net2016-06-24 → 2017-02-14 · 4 obs
● 2016-06-24 09:09:06
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
○A104.252.152.1692020-03-05 → 2020-03-05 · 4 obs
○ 2017-02-14 18:18:28
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
● 2020-03-05 03:21:40
○ 2026-02-20 18:19:08
○ 2026-05-15 14:04:10
○A43.241.252.1862016-06-24 → 2017-02-14 · 4 obs
● 2016-06-24 09:09:06
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
● 2017-02-14 18:18:28
○ 2020-03-05 03:21:40
○ 2026-05-15 14:04:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.29.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|