51999.cc - robtex.com
51999.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 201.5.42.165 | ||||||
| NS | a4.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b4.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1781104215 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1785530653 | ||||||
Same first word
Similar names
95199.com |
59919.com |
99519.cn |
19599.com |
99195.com |
59199.us |
19599.cc |
91599.com |
19599.xyz |
99915.net |
99591.com |
95919.com |
99915.win |
99915.top |
91995.cc |
99951.com |
19995.com |
15999.com |
99195.de |
DNS History
12 records (5 active, 7 former)
●NSa.share-dns.com2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 06:16:56
● 2026-07-31 20:45:42
●NSa4.share-dns.com2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 06:16:56
● 2026-07-31 20:45:42
●NSb.share-dns.net2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 06:16:56
● 2026-07-31 20:45:42
●NSb4.share-dns.net2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 06:16:56
● 2026-07-31 20:45:42
○NSf1g1ns1.dnspod.net2015-08-26 → 2016-07-10 · 4 obs
● 2016-07-10 21:27:58
○ 2020-02-04 06:51:30
○ 2026-07-31 20:45:42
○NSf1g1ns2.dnspod.net2015-08-26 → 2016-07-10 · 4 obs
● 2016-07-10 21:27:58
○ 2020-02-04 06:51:30
○ 2026-07-31 20:45:42
○NSns1.dnsece.com2020-02-04 → 2020-02-04 · 4 obs
● 2020-02-04 06:51:30
○ 2026-06-28 06:16:56
○ 2026-07-31 20:45:42
○NSns2.dnsece.com2020-02-04 → 2020-02-04 · 4 obs
● 2020-02-04 06:51:30
○ 2026-06-28 06:16:56
○ 2026-07-31 20:45:42
○A103.56.106.462017-03-31 → 2017-03-31 · 4 obs
● 2017-03-31 23:13:44
○ 2020-02-04 06:51:30
○ 2026-07-31 20:45:42
○A180.210.204.2002015-08-26 → 2016-07-10 · 4 obs
● 2016-07-10 21:27:58
○ 2017-03-31 23:13:44
○ 2026-07-31 20:45:42
●A201.5.42.1652026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 06:16:56
● 2026-07-31 20:45:42
○A47.75.5.2052020-02-04 → 2020-02-04 · 4 obs
● 2020-02-04 06:51:30
○ 2026-06-28 06:16:56
○ 2026-07-31 20:45:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| 51999.cc | a4.share-dns.com, b4.share-dns.net | - |
✅ Authoritative Response
Server:172.64.53.25
NS records: a4.share-dns.com, b4.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51999.cc (unsigned zone)
⏱️ Timing
Total: 214ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 201.5.42.165 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
IP Addresses
51999.cc points to a single IP number: 201.5.42.165.
Name Servers
51999.cc has four authoritative name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.
At least some of 51999.cc's name servers are shared with other domains, for example 71298.xyz, njuaa.com, psuhtgo.cn and two more.
These name servers tend to co-occur with a2.share-dns.com, b2.share-dns.net, a7.share-dns.com and 7 other name servers in the same DNS delegations.
a4.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b4.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.
Both a4.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.
Both b4.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.