dyn2.sys-dev.cat - dns.ninja
dyn2.sys-dev.cat
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::ac43:a667🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1032🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.50Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.103🇺🇸 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 | 104.21.16.50, 172.67.166.103 | ||||||
| IPv6 hints | 2606:4700:3036::ac43:a667, 2606:4700:3037::6815:1032 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com | ||||||
sys-dev.cat
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::ac43:a667🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1032🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.50Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.103🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| NS | marek.ns.cloudflare.com | ||||||
| MX | dde6021c.21.ik2.com ⭐ | ||||||
| MX | dde6021c.22.ik2.io(20) | ||||||
| TXT | v=spf1 include:dn(0x736578)it.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.16.50, 172.67.166.103 | ||||||
| IPv6 hints | 2606:4700:3036::ac43:a667, 2606:4700:3037::6815:1032 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2407631884 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●A104.21.16.502026-03-12 → 2026-06-24 · 5 obs
● 2026-03-12 10:05:00
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
●A172.67.166.1032026-03-12 → 2026-06-24 · 5 obs
● 2026-03-12 10:05:00
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
○A188.114.96.02026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-20 23:44:02
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
○A188.114.97.02026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-20 23:44:02
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
●A2606:4700:3036::ac43:a6672026-03-12 → 2026-06-24 · 5 obs
● 2026-03-12 10:05:00
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
●A2606:4700:3037::6815:10322026-03-12 → 2026-06-24 · 5 obs
● 2026-03-12 10:05:00
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
● 2026-03-20 23:44:02
○ 2026-03-28 00:55:18
● 2026-04-23 17:20:24
● 2026-06-24 07:20:30
○A2a06:98c1:3120::2026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-20 23:44:02
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
○A2a06:98c1:3121::2026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-20 23:44:02
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
● 2026-03-28 00:55:18
○ 2026-04-23 17:20:24
○ 2026-06-24 07:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cat | cat.ns.nic.es, switch.nic.cat, anyc1.irondns.net, cat.pch.net... | 10 records |
| sys-dev.cat | dorthy.ns.cloudflare.com, marek.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.202
NS records: dorthy.ns.cloudflare.com, marek.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys-dev.cat (unsigned zone)
⏱️ Timing
Total: 497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.50, 172.67.166.103 |
| AAAA | 2 | 2606:4700:3036::ac43:a667, 2606:4700:3037::6815:1032 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 10
In-bailiwick: 2 (switch.nic.cat, switch.nic.cat)
Out-of-bailiwick: 8 (anyc1.irondns.net, nsc.nic.de, cat.pch.net...)
Analysis
IP Addresses
dyn2.sys-dev.cat resolves to four IP addresses: 104.21.16.50, 172.67.166.103, 2606:4700:3036::ac43:a667 and 2606:4700:3037::6815:1032.
Two other host names, along with essay-services-review.com, riverdaleveterinaryclinic.com and teenie(0x626c6f776a6f62)s.com, also share IP numbers with dyn2.sys-dev.cat.