rbto.cn - robtex.com

rbto.cn

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:bba🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9606🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.186Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.6🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgrace.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a9f
A2803:f800:50::6ca2:c09f
A2a06:98c1:50::ac40:209f
A108.162.192.159
A172.64.32.159
A173.245.58.159
NSvenkat.ns.cloudflare.com
A2606:4700:58::a29f:2cfe
A2803:f800:50::6ca2:c3fe
A2a06:98c1:50::ac40:23fe
A108.162.195.254
A162.159.44.254
A172.64.35.254
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.186, 172.67.150.6
IPv6 hints2606:4700:3036::6815:bba, 2606:4700:3037::ac43:9606
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOAgrace.ns.cloudflare.comdns@cloudflare.com serial=2410482117

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035108118

Same first word

rbto.nl
rbto.com.br
rbto.cn
rbto.org
rbto.ru

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DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSgrace.ns.cloudflare.comvenkat.ns.cloudflare.comdns10.hichina.comdns9.hichina.comlaura.ns.cloudflare.commike.ns.cloudflare.comns1.alidns.comns2.alidns.comA104.21.11.186172.67.150.62606:4700:3036::6815:bba2606:4700:3037::ac43:9606104.21.32.122172.67.151.213198.11.178.932606:4700:3033::ac43:97d52606:4700:3036::6815:207a
○NSdns10.hichina.com2016-09-20 → 2016-09-20 · 4 obs
○ 2016-04-07 04:30:52
● 2016-09-20 19:21:50
○ 2026-06-30 13:20:08
○ 2026-07-29 23:49:18
○NSdns9.hichina.com2016-09-20 → 2016-09-20 · 4 obs
○ 2016-04-07 04:30:52
● 2016-09-20 19:21:50
○ 2026-06-30 13:20:08
○ 2026-07-29 23:49:18
●NSgrace.ns.cloudflare.com2026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18
○NSlaura.ns.cloudflare.com2026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
○NSmike.ns.cloudflare.com2026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
○NSns1.alidns.com2015-11-13 → 2016-04-07 · 4 obs
● 2015-11-13 23:14:50
● 2016-04-07 04:30:52
○ 2016-09-20 19:21:50
○ 2026-07-29 23:49:18
○NSns2.alidns.com2015-11-13 → 2016-04-07 · 4 obs
● 2015-11-13 23:14:50
● 2016-04-07 04:30:52
○ 2016-09-20 19:21:50
○ 2026-07-29 23:49:18
●NSvenkat.ns.cloudflare.com2026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18
●A104.21.11.1862026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18
○A104.21.32.1222026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
●A172.67.150.62026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18
○A172.67.151.2132026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
○A198.11.178.932015-11-13 → 2016-04-07 · 4 obs
● 2015-11-13 23:14:50
● 2016-04-07 04:30:52
○ 2016-09-20 19:21:50
○ 2026-07-29 23:49:18
○A2606:4700:3033::ac43:97d52026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
○A2606:4700:3036::6815:207a2026-06-30 → 2026-06-30 · 4 obs
○ 2016-09-20 19:21:50
● 2026-06-30 13:20:08
○ 2026-07-29 23:49:14
○ 2026-07-29 23:49:18
●A2606:4700:3036::6815:bba2026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18
●A2606:4700:3037::ac43:96062026-07-29 → 2026-07-29 · 3 obs
○ 2026-06-30 13:20:08
● 2026-07-29 23:49:14
● 2026-07-29 23:49:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
rbto.cngrace.ns.cloudflare.com, venkat.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.254

NS records: grace.ns.cloudflare.com, venkat.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rbto.cn (unsigned zone)

⏱️ Timing

Total: 2994ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.11.186, 172.67.150.6
AAAA22606:4700:3036::6815:bba, 2606:4700:3037::ac43:9606
NS2grace.ns.cloudflare.com, venkat.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1grace.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

rbto.cn points to the four IP addresses 104.21.11.186, 172.67.150.6, 2606:4700:3036::6815:bba and 2606:4700:3037::ac43:9606.

Name Servers

rbto.cn has two authoritative name servers — grace.ns.cloudflare.com and venkat.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

grace.ns.cloudflare.com points to 108.162.192.159, 172.64.32.159, 173.245.58.159 and 3 other IP addresses.

venkat.ns.cloudflare.com points to 108.162.195.254, 162.159.44.254, 172.64.35.254 and 3 other IP addresses.