dhrftb.cn - robtex.com
dhrftb.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=2034785101 | ||||||
Same first word
dhrftb.cn |
Similar names
DNS History
6 records (0 active, 6 former)
○NSns1.nowcndns.com2026-02-16 → 2026-03-26 · 4 obs
○ 2020-01-04 01:04:28
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
○NSns2.nowcndns.com2026-02-16 → 2026-03-26 · 4 obs
○ 2020-01-04 01:04:28
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
○NSns5.dnsdun.com2020-01-04 → 2020-01-04 · 3 obs
● 2020-01-04 01:04:28
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○NSns5.dnsdun.net2020-01-04 → 2020-01-04 · 3 obs
● 2020-01-04 01:04:28
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○A108.177.162.1652020-01-04 → 2020-01-04 · 3 obs
● 2020-01-04 01:04:28
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○ 2026-02-16 04:35:50
○ 2026-05-13 01:51:20
○A38.239.47.102026-02-16 → 2026-03-26 · 4 obs
○ 2020-01-04 01:04:28
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
● 2026-02-16 04:35:50
● 2026-03-26 18:05:14
○ 2026-05-13 01:51:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
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: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|