rtcst.com - dns.ninja
rtcst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:30a0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:9a54🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.48.160Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.154.84🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | garret.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cf6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| A | 108.162.195.246🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| A | 162.159.44.246Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| A | 172.64.35.246🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | garret.ns.cloudflare.com | ||||||
| NS | thea.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 108.162.194.247🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 162.159.38.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 172.64.34.247🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.48.160, 172.67.154.84 | ||||||
| IPv6 hints | 2606:4700:3034::6815:30a0, 2606:4700:3037::ac43:9a54 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com | ||||||
| SOA | garret.ns.cloudflare.comdns@cloudflare.com serial=2407417879 | ||||||
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=1785257542 | ||||||
Same first word
rtcst.com |
Similar names
DNS History
16 records (6 active, 10 former)
○NSa.share-dns.com2026-02-28 → 2026-07-28 · 2 obs
○ 2026-07-28 17:19:32
○NSb.share-dns.net2026-02-28 → 2026-07-28 · 2 obs
○ 2026-07-28 17:19:32
○NSdns19.hichina.com2020-04-04 → 2020-04-04 · 3 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
○NSdns20.hichina.com2020-04-04 → 2020-04-04 · 3 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
●NSgarret.ns.cloudflare.com2026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 07:06:52
● 2026-07-28 17:19:32
●NSthea.ns.cloudflare.com2026-06-28 → 2026-07-28 · 3 obs
● 2026-06-28 07:06:52
● 2026-07-28 17:19:32
●A104.21.48.1602026-06-28 → 2026-07-28 · 6 obs
● 2026-06-28 07:06:52
○ 2026-07-09 06:36:00
● 2026-07-10 16:54:00
○ 2026-07-11 08:57:02
● 2026-07-28 17:19:32
●A172.67.154.842026-06-28 → 2026-07-28 · 6 obs
● 2026-06-28 07:06:52
○ 2026-07-09 06:36:00
● 2026-07-10 16:54:00
○ 2026-07-11 08:57:02
● 2026-07-28 17:19:32
○A188.114.96.02026-07-09 → 2026-07-11 · 5 obs
● 2026-07-09 06:36:00
○ 2026-07-10 16:54:00
● 2026-07-11 08:57:02
○ 2026-07-28 17:19:32
○A188.114.97.02026-07-09 → 2026-07-11 · 5 obs
● 2026-07-09 06:36:00
○ 2026-07-10 16:54:00
● 2026-07-11 08:57:02
○ 2026-07-28 17:19:32
●A2606:4700:3034::6815:30a02026-06-28 → 2026-07-28 · 6 obs
● 2026-06-28 07:06:52
○ 2026-07-09 06:36:00
● 2026-07-10 16:54:00
○ 2026-07-11 08:57:02
● 2026-07-28 17:19:32
●A2606:4700:3037::ac43:9a542026-06-28 → 2026-07-28 · 6 obs
● 2026-06-28 07:06:52
○ 2026-07-09 06:36:00
● 2026-07-10 16:54:00
○ 2026-07-11 08:57:02
● 2026-07-28 17:19:32
○A2a06:98c1:3120::2026-07-09 → 2026-07-11 · 5 obs
● 2026-07-09 06:36:00
○ 2026-07-10 16:54:00
● 2026-07-11 08:57:02
○ 2026-07-28 17:19:32
○A2a06:98c1:3121::2026-07-09 → 2026-07-11 · 5 obs
● 2026-07-09 06:36:00
○ 2026-07-10 16:54:00
● 2026-07-11 08:57:02
○ 2026-07-28 17:19:32
○A47.91.170.2222020-04-04 → 2020-04-04 · 3 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
○CNAME9nh6zvf5.jadcji.cdnla.cn2026-02-28 → 2026-07-28 · 2 obs
○ 2026-07-28 17:19:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| rtcst.com | thea.ns.cloudflare.com, garret.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.247
NS records: thea.ns.cloudflare.com, garret.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcst.com (unsigned zone)
⏱️ Timing
Total: 344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.154.84, 104.21.48.160 |
| AAAA | 2 | 2606:4700:3037::ac43:9a54, 2606:4700:3034::6815:30a0 |
| NS | 2 | garret.ns.cloudflare.com, thea.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | garret.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (thea.ns.cloudflare.com, thea.ns.cloudflare.com, thea.ns.cloudflare.com...)
Analysis
IP Addresses
rtcst.com resolves to four IP addresses: 104.21.48.160, 172.67.154.84, 2606:4700:3034::6815:30a0 and 2606:4700:3037::ac43:9a54.
Additional host names — uberstep.com, ntrc.com.np, chinahstd.com and two others — share IP numbers with rtcst.com.
Name Servers
rtcst.com is served by two delegated name servers, garret.ns.cloudflare.com and thea.ns.cloudflare.com.
rtcst.com shares its name server setup with other domains, including aksmv.com, kotala.com, scmera.com and two others.
rtcst.com partially shares its NS delegation with several other domains, including carbonatlantis.com, pokerdom-gkr31yy.buzz, wanderlumos.blog and two others.
These name servers are regularly seen alongside matias.ns.cloudflare.com and alexia.ns.cloudflare.com as name servers.
Host names with 6 IP numbers:
garret.ns.cloudflare.com carries IP addresses 108.162.195.246, 162.159.44.246 and 172.64.35.246, with 3 other addresses beyond those.
thea.ns.cloudflare.com carries IP addresses 108.162.194.247, 162.159.38.247 and 172.64.34.247, with 3 other addresses beyond those.