dcfs.developer.istanbul - robtex.com
dcfs.developer.istanbul
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:3ae4🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:a5d7🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.58.228Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.165.215🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.58.228, 172.67.165.215 | ||||||
| IPv6 hints | 2606:4700:3033::6815:3ae4, 2606:4700:3036::ac43:a5d7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com | ||||||
developer.istanbul
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cory.ns.cloudflare.com ⭐ | ||||||
| NS | rachel.ns.cloudflare.com | ||||||
| MX | smtp.google.com ⭐ | ||||||
| MX | mx.yandex.net(10) | ||||||
| TXT | google-site-verification=hlSODfOygeKL_txC2Kgpk4T2MBxlsTD7GuZ2kWbgGUw | ||||||
| TXT | v=spf1 ip4:IP-1 ip4:IP-2 ip4:IP-3 include:_spf.yandex.net ~all | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| TXT | yandex-verification: b0c4b3362101b76a | ||||||
| SOA | cory.ns.cloudflare.comdns@cloudflare.com serial=2403928797 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.58.2282026-05-06 → 2026-05-11 · 2 obs
● 2026-05-06 15:58:02
● 2026-05-11 15:33:34
● 2026-05-11 15:33:34
●A172.67.165.2152026-05-06 → 2026-05-11 · 2 obs
● 2026-05-06 15:58:02
● 2026-05-11 15:33:34
● 2026-05-11 15:33:34
●A2606:4700:3033::6815:3ae42026-05-06 → 2026-05-11 · 2 obs
● 2026-05-06 15:58:02
● 2026-05-11 15:33:34
● 2026-05-11 15:33:34
●A2606:4700:3036::ac43:a5d72026-05-06 → 2026-05-11 · 2 obs
● 2026-05-06 15:58:02
● 2026-05-11 15:33:34
● 2026-05-11 15:33:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| istanbul | a0.nic.istanbul, a2.nic.istanbul, b0.nic.istanbul, c0.nic.istanbul | 8 records |
| developer.istanbul | rachel.ns.cloudflare.com, cory.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.215
NS records: rachel.ns.cloudflare.com, cory.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developer.istanbul (unsigned zone)
⏱️ Timing
Total: 1024ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.165.215, 104.21.58.228 |
| AAAA | 2 | 2606:4700:3033::6815:3ae4, 2606:4700:3036::ac43:a5d7 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.istanbul, a2.nic.istanbul, b0.nic.istanbul...)
Analysis
IP Addresses
dcfs.developer.istanbul maps to four IP numbers: 2606:4700:3033::6815:3ae4, 2606:4700:3036::ac43:a5d7, 104.21.58.228 and 172.67.165.215.
other host names include barbel.flowhot.cc, myjiangjun.com, ptids.co.id, amh-ngo.ir and combatcasino.info; they share IP numbers with dcfs.developer.istanbul.