upstudy.top - dns.ninja
upstudy.top
| DNSSEC | ⚠️ Not signed | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | e.zdnscloud.cn | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-06-16_14:25:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1396144720 | ||||||
Same first word
Similar names
studyup.vn |
studyup.com.vn |
studyup.jp |
studyup.net |
studyup.club |
studyup.pk |
studyup.de |
studyup.pt |
studyup.com |
pustudy.com |
DNS History
10 records (0 active, 10 former)
○NScarter.ns.cloudflare.com2026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○NSlaunch1.spaceship.net2026-05-10 → 2026-05-11 · 4 obs
○ 2026-05-01 06:50:44
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
○NSlaunch2.spaceship.net2026-05-10 → 2026-05-11 · 4 obs
○ 2026-05-01 06:50:44
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
○NSperla.ns.cloudflare.com2026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○A104.21.72.1612026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○A172.67.153.352026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○A2606:4700:3034::6815:48a12026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○A2606:4700:3037::ac43:99232026-04-01 → 2026-05-01 · 4 obs
● 2026-04-01 00:48:32
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
● 2026-05-01 06:50:44
○ 2026-05-10 04:34:58
○ 2026-06-16 06:35:00
○A44.233.250.752026-05-10 → 2026-05-11 · 4 obs
○ 2026-05-01 06:50:44
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
○A52.38.196.632026-05-10 → 2026-05-11 · 4 obs
○ 2026-05-01 06:50:44
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
● 2026-05-10 04:34:58
● 2026-05-11 03:04:40
○ 2026-06-16 06:35:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com... | - |
✅ Authoritative Response
Server:116.169.54.111
NS records: a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com, e.zdnscloud.cn, f.zdnscloud.cn, i.zdnscloud.cn, j.zdnscloud.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 267ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|