coresystems.dev - robtex.com
coresystems.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:81caCloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:2e8Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.232Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.202Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | danica.ns.cloudflare.com ⭐ | ||||||
| NS | milan.ns.cloudflare.com | ||||||
| TXT | protonmail-verification=7f4e5f04d8bbcbef89a0086b5555f7b3b1ce5dd4 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.232, 172.67.129.202 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:81ca, 2606:4700:3031::6815:2e8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com | ||||||
| SOA | danica.ns.cloudflare.comdns@cloudflare.com serial=2416597361 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdanica.ns.cloudflare.com2026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
●NSmilan.ns.cloudflare.com2026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
●A104.21.2.2322026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
●A172.67.129.2022026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
●A2606:4700:3030::ac43:81ca2026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
●A2606:4700:3031::6815:2e82026-10-06 → 2026-10-08 · 2 obs
● 2026-10-06 04:08:14
● 2026-10-08 17:49:52
● 2026-10-08 17:49:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| coresystems.dev | milan.ns.cloudflare.com, danica.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.187
NS records: milan.ns.cloudflare.com, danica.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coresystems.dev (unsigned zone)
⏱️ Timing
Total: 1380ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.2.232, 172.67.129.202 |
| AAAA | 2 | 2606:4700:3030::ac43:81ca, 2606:4700:3031::6815:2e8 |
| NS | 2 | danica.ns.cloudflare.com, milan.ns.cloudflare.com |
| TXT | 1 | protonmail-verification=7f4e5f04d8bbcbef |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | danica.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
coresystems.dev points to the four IP addresses 104.21.2.232, 172.67.129.202, 2606:4700:3030::ac43:81ca and 2606:4700:3031::6815:2e8.
Name Servers
The NS records for coresystems.dev delegate to danica.ns.cloudflare.com and milan.ns.cloudflare.com.