51s3.com - robtex.com
51s3.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.109.117.73🇭🇰 YISUCLOUDLTD-HK39.109.117.0/24 YISU CLOUD LTD 10/F,WORLD PEACE CENTRE,41-55,WO TONG TSUI ST,KWAI CHUNG ,HK | ||||||
| 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=1763604517 | ||||||
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=1782063010 | ||||||
Same first word
51s3.com |
Similar names
DNS History
12 records (5 active, 7 former)
○NSf1g1ns1.dnspod.net2016-09-08 → 2016-10-08 · 5 obs
● 2016-09-08 04:42:34
● 2016-10-08 10:16:58
○ 2026-06-14 07:48:20
○ 2026-06-21 17:40:40
○NSf1g1ns2.dnspod.net2016-09-08 → 2016-10-08 · 5 obs
● 2016-09-08 04:42:34
● 2016-10-08 10:16:58
○ 2026-06-14 07:48:20
○ 2026-06-21 17:40:40
●NSns1.judns.com2026-06-14 → 2026-06-21 · 3 obs
● 2026-06-14 07:48:20
● 2026-06-21 17:40:40
●NSns1.julydns.com2026-06-14 → 2026-06-21 · 3 obs
● 2026-06-14 07:48:20
● 2026-06-21 17:40:40
○NSns13.dns.com.cn2015-07-18 → 2015-11-19 · 4 obs
● 2015-11-19 23:02:58
○ 2016-09-08 04:42:34
○ 2026-06-21 17:40:40
○NSns14.dns.com.cn2015-07-18 → 2015-11-19 · 4 obs
● 2015-11-19 23:02:58
○ 2016-09-08 04:42:34
○ 2026-06-21 17:40:40
○NSns2.dns.com.cn2015-07-18 → 2015-11-19 · 4 obs
● 2015-11-19 23:02:58
○ 2016-09-08 04:42:34
○ 2026-06-21 17:40:40
●NSns2.judns.com2026-06-14 → 2026-06-21 · 3 obs
● 2026-06-14 07:48:20
● 2026-06-21 17:40:40
●NSns2.julydns.com2026-06-14 → 2026-06-21 · 3 obs
● 2026-06-14 07:48:20
● 2026-06-21 17:40:40
●A39.109.117.732026-06-14 → 2026-06-21 · 3 obs
● 2026-06-14 07:48:20
● 2026-06-21 17:40:40
○A61.155.8.1372015-07-18 → 2015-11-19 · 4 obs
● 2015-11-19 23:02:58
○ 2016-09-08 04:42:34
○ 2026-06-21 17:40:40
○A76.164.230.2012016-09-08 → 2016-10-08 · 5 obs
● 2016-09-08 04:42:34
● 2016-10-08 10:16:58
○ 2026-06-14 07:48:20
○ 2026-06-21 17:40:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51s3.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 51s3.com (unsigned zone)
⏱️ Timing
Total: 924ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 39.109.117.73 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
51s3.com resolves to just one IP address, 39.109.117.73.
Additional host names such as bajiexiu.com, gu30.com, 1dyn.com and dueke.com share IP numbers with 51s3.com.
Name Servers
The NS records for 51s3.com point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
51s3.com partially shares its NS delegation with several other domains, including liaocu.com, wuk59.pro, wuhutuilamen.com and two others.
The name servers jm1.dns.com, jm2.dns.com, ns1.onclouddns.com and ns2.onclouddns.com are often found in use alongside these name servers.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.