opensis.kr - robtex.com
opensis.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:d05c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2abb🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.42.187Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.208.92🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dee.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a5d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 108.162.192.93🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 172.64.32.93🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| A | 173.245.58.93🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dee.ns.cloudflare.com | ||||||
| NS | gordon.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| TXT | 088b18a41a4a78fe8a5cd2fcb0121ff04ebbf08b | ||||||
| TXT | google-site-verification=x_ICBFjaBkj_tpP28E7ssXv4UZYbgsgaKgOIRWsFuT4 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.42.187, 172.67.208.92 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:d05c, 2606:4700:3037::6815:2abb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com | ||||||
| SOA | dee.ns.cloudflare.comdns@cloudflare.com serial=2403525808 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2605100572 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdee.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
●NSgordon.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
●A104.21.42.1872026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
●A172.67.208.922026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
●A2606:4700:3034::ac43:d05c2026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
●A2606:4700:3037::6815:2abb2026-04-14 → 2026-05-10 · 2 obs
● 2026-05-10 03:42:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr... | 10 records |
| opensis.kr | gordon.ns.cloudflare.com, dee.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.170
NS records: gordon.ns.cloudflare.com, dee.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensis.kr (unsigned zone)
⏱️ Timing
Total: 866ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.42.187, 172.67.208.92 |
| AAAA | 2 | 2606:4700:3034::ac43:d05c, 2606:4700:3037::6815:2abb |
| NS | 2 | dee.ns.cloudflare.com, gordon.ns.cloudflare.com |
| TXT | 2 | 088b18a41a4a78fe8a5cd2fcb0121ff04ebbf08b, google-site-verification=x_ICBFjaBkj_tpP |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dee.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (c.dns.kr, e.dns.kr, e.dns.kr...)
Analysis
IP Addresses
opensis.kr resolves to four IP numbers: 2606:4700:3034::ac43:d05c, 2606:4700:3037::6815:2abb, 104.21.42.187 and 172.67.208.92.
other host names for instance educhange.com, finkerr.com, mobilitychoice.org, www.anchorpointcounselingministry.org and sakaryasosyalmedya.com share IP numbers with opensis.kr.
Name Servers
opensis.kr is delegated to two name servers: dee.ns.cloudflare.com and gordon.ns.cloudflare.com.
opensis.kr shares the same name server setup as other domains, for example facecalculator.com, rizk-kasino.fi, haircalculator.com, ynw.co.kr and genmedica.net.
opensis.kr at least partially shares name servers with other domains, for instance journal.net, cmx-cdn.com, betaiptv.xyz, baylap.com and itvpiaseczno.pl.
These name servers are commonly used with the name servers aspen.ns.cloudflare.com.
Host names with six IP numbers:
dee.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5d, 2803:f800:50::6ca2:c05d, 2a06:98c1:50::ac40:205d, 108.162.192.93, 172.64.32.93 and 173.245.58.93; gordon.ns.cloudflare.com points to: 2606:4700:58::adf5:3baa, 2803:f800:50::6ca2:c1aa, 2a06:98c1:50::ac40:21aa, 108.162.193.170, 172.64.33.170 and 173.245.59.170.