51kerui.com - robtex.com
51kerui.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.162.103.5🇸🇬 CTGSERVERLIMITED-AS-AP202.162.103.0/24 RACKIP CONSULTANCY PTE. LTD. No. 3, Pemimpin Drive, 07-04 Lip Hing, Industrial Building, | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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=1731477986 | ||||||
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=1774651467 | ||||||
Subdomains
en.51kerui.com |
Same first word
51kerui.com |
DNS History
16 records (5 active, 11 former)
○NSdns10.hichina.com2016-06-19 → 2018-11-06 · 5 obs
● 2016-06-19 23:36:36
● 2018-11-06 08:10:44
○ 2026-02-17 03:34:04
○ 2026-03-27 23:04:34
○NSdns9.hichina.com2016-06-19 → 2018-11-06 · 5 obs
● 2016-06-19 23:36:36
● 2018-11-06 08:10:44
○ 2026-02-17 03:34:04
○ 2026-03-27 23:04:34
●NSns1.judns.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 03:34:04
● 2026-03-27 23:04:34
●NSns1.julydns.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 03:34:04
● 2026-03-27 23:04:34
○NSns11.bigwww.com2015-06-21 → 2016-02-23 · 4 obs
● 2016-02-23 18:57:14
○ 2016-06-19 23:36:36
○ 2026-03-27 23:04:34
●NSns2.judns.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 03:34:04
● 2026-03-27 23:04:34
●NSns2.julydns.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 03:34:04
● 2026-03-27 23:04:34
○MXem002.gotoip.net2015-06-21 → 2015-11-22 · 4 obs
● 2015-11-22 06:06:02
○ 2016-02-23 18:57:14
○ 2026-03-27 23:04:34
○MXmxbiz1.qq.com2016-06-19 → 2026-02-17 · 5 obs
● 2016-06-19 23:36:36
● 2026-02-17 03:34:04
○ 2026-02-18 13:19:44
○ 2026-03-27 23:04:34
○MXmxbiz2.qq.com2016-06-19 → 2026-02-17 · 5 obs
● 2016-06-19 23:36:36
● 2026-02-17 03:34:04
○ 2026-02-18 13:19:44
○ 2026-03-27 23:04:34
○A103.230.137.2352016-02-23 → 2016-02-23 · 4 obs
● 2016-02-23 18:57:14
○ 2016-06-19 23:36:36
○ 2026-03-27 23:04:34
○A103.255.179.2222015-11-22 → 2015-11-22 · 4 obs
● 2015-11-22 06:06:02
○ 2016-02-23 18:57:14
○ 2026-03-27 23:04:34
○A121.14.65.2162016-06-19 → 2018-11-06 · 5 obs
● 2016-06-19 23:36:36
● 2018-11-06 08:10:44
○ 2026-02-17 03:34:04
○ 2026-03-27 23:04:34
○A14.136.209.22015-06-21 → 2015-06-21 · 3 obs
○ 2015-11-22 06:06:02
○ 2026-03-27 23:04:34
●A202.162.103.52026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 03:34:04
● 2026-03-27 23:04:34
○CNAMEwww.51kerui.com.sudu-67ph.com2016-02-23 → 2016-02-23 · 3 obs
○ 2016-06-19 23:36:36
○ 2026-03-27 23:04:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51kerui.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51kerui.com (unsigned zone)
⏱️ Timing
Total: 446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.162.103.5 |
| 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
Hierarchy
The parent of en.51kerui.com is 51kerui.com.
IP Addresses
51kerui.com points to a single IP: 202.162.103.5.
Other host names, for instance meiruicheng.com, en.51kerui.com, www.gymzp.com, kstongbeile.com and gymzp.com share IP numbers with 51kerui.com.
Name Servers
51kerui.com's delegation is handled by four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
51kerui.com partially shares name servers with other domains; examples include gzjdzx.com, sh-lw.com, sacant.com, jsyangsen.com and armteel.com.
Host names with one 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.
Host names that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com.