www.koptein.de - robtex.com
www.koptein.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:acc🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:83b9🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.10.204Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.185🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.10.204, 172.67.131.185 | ||||||
| IPv6 hints | 2606:4700:3034::6815:acc, 2606:4700:3036::ac43:83b9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com | ||||||
koptein.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:acc🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:83b9🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.10.204Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.185🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | sharon.ns.cloudflare.com ⭐ | ||||||
| NS | trevor.ns.cloudflare.com | ||||||
| MX | mail.protonmail.ch ⭐ | ||||||
| MX | mailsec.protonmail.ch(20) | ||||||
| TXT | protonmail-verification=918860f83bb1cd473b22d2a412dd03d12a4a5538 | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.10.204, 172.67.131.185 | ||||||
| IPv6 hints | 2606:4700:3034::6815:acc, 2606:4700:3036::ac43:83b9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com | ||||||
| SOA | sharon.ns.cloudflare.comdns@cloudflare.com serial=2403059013 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.10.2042026-02-25 → 2026-05-09 · 3 obs
○ 2018-02-01 03:11:34
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
●A172.67.131.1852026-02-25 → 2026-05-09 · 3 obs
○ 2018-02-01 03:11:34
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
○A176.9.41.1232018-02-01 → 2018-02-01 · 3 obs
● 2018-02-01 03:11:34
○ 2026-02-25 15:57:10
○ 2026-05-09 23:04:00
○ 2026-02-25 15:57:10
○ 2026-05-09 23:04:00
●A2606:4700:3034::6815:acc2026-02-25 → 2026-05-09 · 3 obs
○ 2018-02-01 03:11:34
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
●A2606:4700:3036::ac43:83b92026-02-25 → 2026-05-09 · 3 obs
○ 2018-02-01 03:11:34
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
● 2026-02-25 15:57:10
● 2026-05-09 23:04:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| koptein.de | sharon.ns.cloudflare.com, trevor.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.221
NS records: sharon.ns.cloudflare.com, trevor.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koptein.de (unsigned zone)
⏱️ Timing
Total: 744ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.10.204, 172.67.131.185 |
| AAAA | 2 | 2606:4700:3034::6815:acc, 2606:4700:3036::ac43:83b9 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
www.koptein.de resolves to four IP numbers: 2606:4700:3034::6815:acc, 2606:4700:3036::ac43:83b9, 104.21.10.204 and 172.67.131.185.
other host names for instance erlang.dk, trustwalletglobal.com, ticktock.radio, openai-proxy.15155148462.workers.dev and thexroom.com share IP numbers with www.koptein.de.