rstr.co - robtex.com

rstr.co

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:512f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:bc2d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.47Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.45🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdave.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A2803:f800:50::6ca2:c16d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdave.ns.cloudflare.com
A2a06:98c1:50::ac40:216d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdave.ns.cloudflare.com
A108.162.193.109🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A172.64.33.109🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A173.245.59.109🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
NSmimi.ns.cloudflare.com
A2606:4700:50::adf5:3acb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmimi.ns.cloudflare.com
A2803:f800:50::6ca2:c0cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmimi.ns.cloudflare.com
A2a06:98c1:50::ac40:20cb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmimi.ns.cloudflare.com
A108.162.192.203🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmimi.ns.cloudflare.com
A172.64.32.203🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmimi.ns.cloudflare.com
A173.245.58.203🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmimi.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.47, 172.67.188.45
IPv6 hints2606:4700:3032::6815:512f, 2606:4700:3034::ac43:bc2d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOAdave.ns.cloudflare.comdns@cloudflare.com serial=2410720496

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759731839

Same first word

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DNS History

6 records (6 active, 0 former)

NSdave.ns.cloudflare.commimi.ns.cloudflare.comA104.21.81.47172.67.188.452606:4700:3032::6815:512f2606:4700:3034::ac43:bc2d
●NSdave.ns.cloudflare.com2026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18
●NSmimi.ns.cloudflare.com2026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18
●A104.21.81.472026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18
●A172.67.188.452026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18
●A2606:4700:3032::6815:512f2026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18
●A2606:4700:3034::ac43:bc2d2026-07-31 → 2026-08-13 · 2 obs
● 2026-07-31 11:15:46
● 2026-08-13 03:22:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co-
rstr.codave.ns.cloudflare.com, mimi.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.109

NS records: dave.ns.cloudflare.com, mimi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rstr.co (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.47, 172.67.188.45
AAAA22606:4700:3032::6815:512f, 2606:4700:3034::ac43:bc2d
NS2dave.ns.cloudflare.com, mimi.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dave.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

rstr.co has four IP addresses: 104.21.81.47, 172.67.188.45, 2606:4700:3032::6815:512f and 2606:4700:3034::ac43:bc2d.

Additional host names — jhosepsystem.com, 36z9b52.mom, hengshengjiaju.com and two others — share IP numbers with rstr.co.

Name Servers

rstr.co uses two name servers for its delegation: dave.ns.cloudflare.com and mimi.ns.cloudflare.com.

rstr.co shares its name server setup with other domains, including zuqiuzhishuchaxunguanfangshoujiduan.org.cn, nbalishidefen.org.cn, lanqiupiaowangshangdingpiaogw.net.cn and two others.

rstr.co partially shares its NS delegation with several other domains, including clientsitetest.com, azmeelgroup.com, continentaldocuments.com and two others.

Host names with 6 IP numbers:

Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.

Hostname mimi.ns.cloudflare.com directs to 108.162.192.203, 172.64.32.203 and 173.245.58.203 along with 3 other IP addresses.