51ddsc.com - robtex.com
51ddsc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.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 | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1772523810 | ||||||
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=1782822501 | ||||||
Subdomains
www.51ddsc.com |
Same first word
51ddsc.com |
DNS History
8 records (4 active, 4 former)
○NSns1.bdydns.cn2016-12-15 → 2016-12-15 · 3 obs
○ 2026-04-06 13:32:50
○ 2026-06-30 12:43:52
●NSns1.judns.com2026-04-06 → 2026-06-30 · 3 obs
● 2026-04-06 13:32:50
● 2026-06-30 12:43:52
●NSns1.julydns.com2026-04-06 → 2026-06-30 · 3 obs
● 2026-04-06 13:32:50
● 2026-06-30 12:43:52
○NSns2.bdydns.cn2016-12-15 → 2016-12-15 · 3 obs
○ 2026-04-06 13:32:50
○ 2026-06-30 12:43:52
●NSns2.judns.com2026-04-06 → 2026-06-30 · 3 obs
● 2026-04-06 13:32:50
● 2026-06-30 12:43:52
●NSns2.julydns.com2026-04-06 → 2026-06-30 · 3 obs
● 2026-04-06 13:32:50
● 2026-06-30 12:43:52
○A107.186.245.1162017-10-16 → 2017-10-16 · 3 obs
○ 2026-04-06 13:32:50
○ 2026-06-30 12:43:52
○A69.30.212.422026-04-06 → 2026-06-30 · 2 obs
○ 2026-06-30 12:43:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net... | - |
| 51ddsc.com | expirens3.hichina.com, expirens4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.33
NS records: expirens3.hichina.com, expirens4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ddsc.com (unsigned zone)
⏱️ Timing
Total: 1599ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns8.hichina.com, dns7.hichina.com |
| CNAME | 1 | expired.hichina.com |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)
Analysis
Hierarchy
The domain www.51ddsc.com falls under the parent 51ddsc.com.
Name Servers
51ddsc.com has four authoritative name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
At least some of 51ddsc.com's name servers are shared with other domains, for example aibey.cn, tututc.com, gdzzcj.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com each resolve to 162.159.27.251, while ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223.
Host names pointing to 162.159.27.251 IP addresses: ns1.judns.com and ns2.judns.com.
Host names pointing to 162.159.48.223 IP addresses: ns1.julydns.com and ns2.julydns.com.