9udn.com - robtex.com
9udn.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| PTR | ip-47-97-51-45.defastlink.net | ||||||
| NS | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| PTR | ip-47-97-51-45.defastlink.net | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-27-251.defastlink.net | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-48-223.defastlink.net | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Similar names
DNS History
8 records (4 active, 4 former)
○NSf1g1ns1.dnspod.net2016-12-15 → 2016-12-15 · 3 obs
○ 2026-03-17 23:53:48
○ 2026-03-17 23:53:50
○NSf1g1ns2.dnspod.net2016-12-15 → 2016-12-15 · 3 obs
○ 2026-03-17 23:53:48
○ 2026-03-17 23:53:50
●NSns1.judns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 23:53:48
● 2026-03-17 23:53:50
●NSns1.julydns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 23:53:48
● 2026-03-17 23:53:50
●NSns2.judns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 23:53:48
● 2026-03-17 23:53:50
●NSns2.julydns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 23:53:48
● 2026-03-17 23:53:50
○A218.93.207.932018-06-20 → 2018-06-20 · 4 obs
● 2018-06-20 12:07:04
○ 2026-03-17 23:53:48
○ 2026-03-17 23:53:50
○A61.147.247.1412016-12-15 → 2016-12-15 · 3 obs
○ 2026-03-17 23:53:48
○ 2026-03-17 23:53:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net... | - |
| 9udn.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server: 162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 9udn.com (unsigned zone)
⏱️ Timing
Total: 3245ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
9udn.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
At least part of the name servers for 9udn.com are shared with other domains, for instance ecotechjsc.com, hbtygs.cn, sqgwy.com, zpzgyu.cn and wpwi.cn.
Host names with a single IP number:
ns1.judns.com points to: 47.97.51.45.
ns2.judns.com points to: 162.159.27.251.
ns1.julydns.com points to: 47.97.51.45.
ns2.julydns.com points to: 162.159.48.223.
Names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.