archer.optimizedusability.de - robtex.com
archer.optimizedusability.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::ac43:a83b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1a3b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.59Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.59🇺🇸 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 | 104.21.26.59, 172.67.168.59 | ||||||
| IPv6 hints | 2606:4700:3036::ac43:a83b, 2606:4700:3037::6815:1a3b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com | ||||||
optimizedusability.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cesar.ns.cloudflare.com ⭐ | ||||||
| NS | jessica.ns.cloudflare.com | ||||||
| SOA | cesar.ns.cloudflare.comdns@cloudflare.com serial=2406750470 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.26.592026-05-02 → 2026-06-17 · 2 obs
● 2026-05-02 10:24:34
● 2026-06-17 21:39:10
● 2026-06-17 21:39:10
●A172.67.168.592026-05-02 → 2026-06-17 · 2 obs
● 2026-05-02 10:24:34
● 2026-06-17 21:39:10
● 2026-06-17 21:39:10
●A2606:4700:3036::ac43:a83b2026-05-02 → 2026-06-17 · 2 obs
● 2026-05-02 10:24:34
● 2026-06-17 21:39:10
● 2026-06-17 21:39:10
●A2606:4700:3037::6815:1a3b2026-05-02 → 2026-06-17 · 2 obs
● 2026-05-02 10:24:34
● 2026-06-17 21:39:10
● 2026-06-17 21:39:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| optimizedusability.de | cesar.ns.cloudflare.com, jessica.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.171
NS records: cesar.ns.cloudflare.com, jessica.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimizedusability.de (unsigned zone)
⏱️ Timing
Total: 649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.26.59, 172.67.168.59 |
| AAAA | 2 | 2606:4700:3036::ac43:a83b, 2606:4700:3037::6815:1a3b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
archer.optimizedusability.de points to the four IP addresses 104.21.26.59, 172.67.168.59, 2606:4700:3036::ac43:a83b and 2606:4700:3037::6815:1a3b.
Among the host names that share IP numbers with archer.optimizedusability.de are www.kryooprema.com, entrezsansfrapper.fr, slotomaxwin178.space and two others.