core-tech.sbs - robtex.com
core-tech.sbs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:3c4d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:c1dd🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.60.77Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.221🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | opal.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2664🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c264🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2264🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 108.162.194.100🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 162.159.38.100Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 172.64.34.100🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| NS | plato.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bdf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21df🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| A | 108.162.193.223🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| A | 172.64.33.223🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| A | 173.245.59.223🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | plato.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.77, 172.67.193.221 | ||||||
| IPv6 hints | 2606:4700:3033::6815:3c4d, 2606:4700:3036::ac43:c1dd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com | ||||||
| SOA | opal.ns.cloudflare.comdns@cloudflare.com serial=2402454294 | ||||||
sbs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.sbs | ||||||
| NS | b.nic.sbs | ||||||
| NS | c.nic.sbs | ||||||
| NS | d.nic.sbs | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1778363549 | ||||||
Same first word
core-tech.sbs |
core-tech.co.uk |
core-tech.eu |
core-tech.ca |
core-tech.com.cn |
core-tech.tw |
core-tech.jp |
core-tech.ru |
core-tech.co.jp |
Similar names
DNS History
6 records (6 active, 0 former)
●NSopal.ns.cloudflare.com2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
●NSplato.ns.cloudflare.com2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
●A104.21.60.772026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
●A172.67.193.2212026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
●A2606:4700:3033::6815:3c4d2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
●A2606:4700:3036::ac43:c1dd2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 22:32:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs | - |
| core-tech.sbs | opal.ns.cloudflare.com, plato.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.223
NS records: opal.ns.cloudflare.com, plato.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-tech.sbs (unsigned zone)
⏱️ Timing
Total: 778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.193.221, 104.21.60.77 |
| AAAA | 2 | 2606:4700:3033::6815:3c4d, 2606:4700:3036::ac43:c1dd |
| NS | 2 | opal.ns.cloudflare.com, plato.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | opal.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
core-tech.sbs refers to four IP numbers: 2606:4700:3033::6815:3c4d, 2606:4700:3036::ac43:c1dd, 104.21.60.77 and 172.67.193.221.
Other host names, for instance chromemy-google.com.cn, callofbooty.(0x706f726e), crigikou.com, grsbon.com and novacc.com share IP numbers with core-tech.sbs.
Name Servers
core-tech.sbs's delegation uses two name servers: opal.ns.cloudflare.com and plato.ns.cloudflare.com.
core-tech.sbs uses the same name server setup as other domains, such as atkmbbq.com, shelleynolden.com, control-7721-process-550-update.click, itechdev.com and ctmtattoo.com.
core-tech.sbs at least partially shares name servers with other domains, including caihanwen.com, qdhiclean.com, adlead.pro, mindshare.tw and prilns.com.
These name servers are commonly used with diana.ns.cloudflare.com, alexia.ns.cloudflare.com, hugh.ns.cloudflare.com, sterling.ns.cloudflare.com, darwin.ns.cloudflare.com and oswald.ns.cloudflare.com.
Host names with six IP numbers:
opal.ns.cloudflare.com points to 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.
plato.ns.cloudflare.com points to 2606:4700:58::adf5:3bdf, 2803:f800:50::6ca2:c1df, 2a06:98c1:50::ac40:21df, 108.162.193.223, 172.64.33.223 and 173.245.59.223.