rcup.net - robtex.com
rcup.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.243.130.144🇺🇸 AS26658104.243.130.0/24 | ||||||
| NS | a11.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 | b11.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=1760689398 | ||||||
net
| 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=1783663907 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSa.share-dns.com2026-07-02 → 2026-07-10 · 3 obs
● 2026-07-02 22:05:18
● 2026-07-10 06:37:34
●NSa11.share-dns.com2026-07-02 → 2026-07-10 · 3 obs
● 2026-07-02 22:05:18
● 2026-07-10 06:37:34
●NSb.share-dns.net2026-07-02 → 2026-07-10 · 3 obs
● 2026-07-02 22:05:18
● 2026-07-10 06:37:34
●NSb11.share-dns.net2026-07-02 → 2026-07-10 · 3 obs
● 2026-07-02 22:05:18
● 2026-07-10 06:37:34
○NSdns21.hichina.com2015-07-18 → 2018-08-28 · 4 obs
● 2018-08-28 09:00:20
○ 2026-07-02 22:05:18
○ 2026-07-10 06:37:34
○NSdns22.hichina.com2015-07-18 → 2018-08-28 · 4 obs
● 2018-08-28 09:00:20
○ 2026-07-02 22:05:18
○ 2026-07-10 06:37:34
●A104.243.130.1442026-07-02 → 2026-07-10 · 2 obs
● 2026-07-10 06:37:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| rcup.net | b11.share-dns.net, a11.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b11.share-dns.net, a11.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rcup.net (unsigned zone)
⏱️ Timing
Total: 1109ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.243.130.144 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (b11.share-dns.net)
Analysis
IP Addresses
rcup.net points to a single IP number: 104.243.130.144.
Other host names share IP numbers with rcup.net; lbcyyl.com is one such example.
Name Servers
rcup.net has four authoritative name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.
rcup.net at least partially shares name servers with other domains, for instance qlbianshi.com, naecs-sde.org, hebeitengen.com and two other.
a11.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b11.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.
These two host names — a11.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.
These two host names — b11.share-dns.net and b.share-dns.net — each point to 172.64.52.239 IP addresses.