rtcst.com - dns.ninja

rtcst.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:30a0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9a54🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.160Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.84🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgarret.ns.cloudflare.com
A2606:4700:58::a29f:2cf6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgarret.ns.cloudflare.com
A2803:f800:50::6ca2:c3f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgarret.ns.cloudflare.com
A2a06:98c1:50::ac40:23f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgarret.ns.cloudflare.com
A108.162.195.246🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgarret.ns.cloudflare.com
A162.159.44.246Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgarret.ns.cloudflare.com
A172.64.35.246🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgarret.ns.cloudflare.com
NSthea.ns.cloudflare.com
A2606:4700:50::a29f:26f7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A2803:f800:50::6ca2:c2f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthea.ns.cloudflare.com
A2a06:98c1:50::ac40:22f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRthea.ns.cloudflare.com
A108.162.194.247🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A162.159.38.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A172.64.34.247🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.160, 172.67.154.84
IPv6 hints2606:4700:3034::6815:30a0, 2606:4700:3037::ac43:9a54
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOAgarret.ns.cloudflare.comdns@cloudflare.com serial=2407417879

com

Same first word

Similar names

DNS History

16 records (6 active, 10 former)

202120222023202420252026NSgarret.ns.cloudflare.comthea.ns.cloudflare.coma.share-dns.comb.share-dns.netdns19.hichina.comdns20.hichina.comA104.21.48.160172.67.154.842606:4700:3034::6815:30a02606:4700:3037::ac43:9a54188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::47.91.170.222CNAME9nh6zvf5.jadcji.cdnla.cn
NSa.share-dns.com2026-02-28 → 2026-07-28 · 2 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
NSb.share-dns.net2026-02-28 → 2026-07-28 · 2 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
NSdns19.hichina.com2020-04-04 → 2020-04-04 · 3 obs
● 2020-04-04 07:54:36
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
NSdns20.hichina.com2020-04-04 → 2020-04-04 · 3 obs
● 2020-04-04 07:54:36
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
NSgarret.ns.cloudflare.com2026-06-28 → 2026-07-28 · 3 obs
○ 2026-02-28 23:41:22
● 2026-06-28 07:06:52
● 2026-07-28 17:19:32
NSthea.ns.cloudflare.com2026-06-28 → 2026-07-28 · 3 obs
○ 2026-02-28 23:41:22
● 2026-06-28 07:06:52
● 2026-07-28 17:19:32
A104.21.48.1602026-06-28 → 2026-07-28 · 6 obs
○ 2026-02-28 23:41:22
● 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
○ 2026-02-28 23:41:22
● 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
○ 2026-06-28 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
A188.114.97.02026-07-09 → 2026-07-11 · 5 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
A2606:4700:3034::6815:30a02026-06-28 → 2026-07-28 · 6 obs
○ 2026-02-28 23:41:22
● 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
○ 2026-02-28 23:41:22
● 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
○ 2026-06-28 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
A2a06:98c1:3121::2026-07-09 → 2026-07-11 · 5 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
A47.91.170.2222020-04-04 → 2020-04-04 · 3 obs
● 2020-04-04 07:54:36
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32
CNAME9nh6zvf5.jadcji.cdnla.cn2026-02-28 → 2026-07-28 · 2 obs
○ 2026-02-28 23:41:22
○ 2026-07-28 17:19:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...-
rtcst.comthea.ns.cloudflare.com, garret.ns.cloudflare.com12 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

TypeCountSample Data
A2172.67.154.84, 104.21.48.160
AAAA22606:4700:3037::ac43:9a54, 2606:4700:3034::6815:30a0
NS2garret.ns.cloudflare.com, thea.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1garret.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.