rcup.io - robtex.com
rcup.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:c72c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:3cb5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.60.181Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.44🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | clyde.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b5b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| A | 108.162.193.91🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| A | 172.64.33.91🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| A | 173.245.59.91🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | clyde.ns.cloudflare.com | ||||||
| NS | elle.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c06e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:206e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| A | 108.162.192.110🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| A | 172.64.32.110🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| A | 173.245.58.110🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elle.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.181, 172.67.199.44 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:c72c, 2606:4700:3036::6815:3cb5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com | ||||||
| SOA | clyde.ns.cloudflare.comdns@cloudflare.com serial=2402005549 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1776959159 | ||||||
rank #6050 in the tld
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSclyde.ns.cloudflare.com2026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
○NSdns14.ovh.net2018-07-27 → 2018-07-27 · 3 obs
○ 2026-04-15 04:01:14
○ 2026-04-23 16:18:24
●NSelle.ns.cloudflare.com2026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
○NSns14.ovh.net2018-07-27 → 2018-07-27 · 3 obs
○ 2026-04-15 04:01:14
○ 2026-04-23 16:18:24
○MXmail.rcup.io2018-07-27 → 2018-07-27 · 3 obs
○ 2026-04-15 04:01:14
○ 2026-04-23 16:18:24
●A104.21.60.1812026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
●A172.67.199.442026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
●A2606:4700:3032::ac43:c72c2026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
●A2606:4700:3036::6815:3cb52026-04-15 → 2026-04-23 · 3 obs
● 2026-04-15 04:01:14
● 2026-04-23 16:18:24
○A37.187.198.1862018-07-27 → 2018-07-27 · 3 obs
○ 2026-04-15 04:01:14
○ 2026-04-23 16:18:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a0.nic.io, a2.nic.io, b0.nic.io | - |
| rcup.io | elle.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.91
NS records: elle.ns.cloudflare.com, clyde.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rcup.io (unsigned zone)
⏱️ Timing
Total: 686ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.60.181, 172.67.199.44 |
| AAAA | 2 | 2606:4700:3032::ac43:c72c, 2606:4700:3036::6815:3cb5 |
| NS | 2 | clyde.ns.cloudflare.com, elle.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | clyde.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
rcup.io resolves to four IP numbers: 2606:4700:3032::ac43:c72c, 2606:4700:3036::6815:3cb5, 104.21.60.181 and 172.67.199.44.
Other host names such as bing-image.xyz, psgkyy.com, www.justcbdtopicals.com, gazete.org and int.gg share IPs with rcup.io.
Name Servers
rcup.io is delegated to two name servers: clyde.ns.cloudflare.com and elle.ns.cloudflare.com.
rcup.io shares the same name server setup as red88m.net, hitclub.im, libtek.net, hitclub.at and xncwyygk.com.
rcup.io at least partially shares name servers with other domains, for instance ph-meters.com, technologypoint.com.pk, heightchart.org, clearimpressionsglass.com and insidenation.co.uk.
These name servers are commonly used with lila.ns.cloudflare.com and garrett.ns.cloudflare.com.
Host names with six IP numbers:
clyde.ns.cloudflare.com points to 2606:4700:58::adf5:3b5b, 2803:f800:50::6ca2:c15b, 2a06:98c1:50::ac40:215b, 108.162.193.91, 172.64.33.91 and 173.245.59.91.
elle.ns.cloudflare.com points to 2606:4700:50::adf5:3a6e, 2803:f800:50::6ca2:c06e, 2a06:98c1:50::ac40:206e, 108.162.192.110, 172.64.32.110 and 173.245.58.110.