rcrrrzrc.study - robtex.com
rcrrrzrc.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:86f4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:19fb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.251Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.134.244🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alberto.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c12🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c312🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2312🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 108.162.195.18🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 162.159.44.18Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| A | 172.64.35.18🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alberto.ns.cloudflare.com | ||||||
| NS | raphaela.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26c0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2c0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22c0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| A | 108.162.194.192🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| A | 162.159.38.192Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| A | 172.64.34.192🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raphaela.ns.cloudflare.com | ||||||
| TXT | google-site-verification=f63VA48c5r98lyhNv4rGHAJp5HCnR49cym1qIMlkv5w | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.25.251, 172.67.134.244 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:86f4, 2606:4700:3034::6815:19fb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=122, name=cloudflare-ech.com | ||||||
| SOA | alberto.ns.cloudflare.comdns@cloudflare.com serial=2401888092 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1777736471 | ||||||
Subdomains
5t.rcrrrzrc.study |
Same first word
rcrrrzrc.study |
DNS History
6 records (6 active, 0 former)
●NSalberto.ns.cloudflare.com2026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
●NSraphaela.ns.cloudflare.com2026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
●A104.21.25.2512026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
●A172.67.134.2442026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
●A2606:4700:3032::ac43:86f42026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
●A2606:4700:3034::6815:19fb2026-03-27 → 2026-05-02 · 2 obs
● 2026-05-02 15:51:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | z.nic.study, y.nic.study, x.nic.study, a.nic.study... | 12 records |
| rcrrrzrc.study | alberto.ns.cloudflare.com, raphaela.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.192
NS records: alberto.ns.cloudflare.com, raphaela.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rcrrrzrc.study (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.25.251, 172.67.134.244 |
| AAAA | 2 | 2606:4700:3034::6815:19fb, 2606:4700:3032::ac43:86f4 |
| NS | 2 | alberto.ns.cloudflare.com, raphaela.ns.cloudflare.com |
| TXT | 1 | google-site-verification=f63VA48c5r98lyh |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alberto.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.study, y.nic.study, x.nic.study...)
Analysis
Hierarchy
rcrrrzrc.study is the parent of 5t.rcrrrzrc.study.
IP Addresses
rcrrrzrc.study points to four IP numbers: 2606:4700:3032::ac43:86f4, 2606:4700:3034::6815:19fb, 104.21.25.251 and 172.67.134.244.
For instance, other host names industryoversight.ca, www.assertive.page, www.curtainsup.tv, cendien.us and ironicrealism.click share IP numbers with rcrrrzrc.study.
Name Servers
rcrrrzrc.study is delegated to two name servers: alberto.ns.cloudflare.com and raphaela.ns.cloudflare.com.
rcrrrzrc.study uses the same name server setup as other domains such as tgtgtg.net, liltreasures.co.nz, sazmusn.garden, eternitysafety.com and enterlancevpn.com.
rcrrrzrc.study shares name servers with other domains at least partially, for example renjiuzuidijiangjin.com.cn, bandaoxingkongtiyu.com.cn, 1996hengyou.com, shijiebeibifena.com.cn and iqtest-free.org.
These name servers are commonly used with malavika.ns.cloudflare.com, nelly.ns.cloudflare.com and pablo.ns.cloudflare.com.
Host names with six IP numbers: host name alberto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18; host name raphaela.ns.cloudflare.com points to: 2606:4700:50::a29f:26c0, 2803:f800:50::6ca2:c2c0, 2a06:98c1:50::ac40:22c0, 108.162.194.192, 162.159.38.192 and 172.64.34.192.