2020se.cipherchallenge.org - robtex.com
2020se.cipherchallenge.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.32.123Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.151.214🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.32.123, 172.67.151.214 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com | ||||||
cipherchallenge.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.32.123Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.151.214🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jean.ns.cloudflare.com ⭐ | ||||||
| NS | phil.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | blitz=mu-d777fcac-dcdc9fc3-cb58b231-5c80083d | ||||||
| TXT | google-site-verification=iH94XUVcwJlDb8chO0n0xO54MyoyBO0p6dGifWSKfxY | ||||||
| TXT | v=spf1 include:sparkpostmail.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.32.123, 172.67.151.214 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com | ||||||
| SOA | jean.ns.cloudflare.comdns@cloudflare.com serial=2402891163 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A104.21.32.1232026-04-13 → 2026-05-14 · 2 obs
● 2026-04-13 01:08:00
● 2026-05-14 04:26:00
● 2026-05-14 04:26:00
●A172.67.151.2142026-04-13 → 2026-05-14 · 2 obs
● 2026-04-13 01:08:00
● 2026-05-14 04:26:00
● 2026-05-14 04:26:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| cipherchallenge.org | phil.ns.cloudflare.com, jean.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.121
NS records: phil.ns.cloudflare.com, jean.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cipherchallenge.org (unsigned zone)
⏱️ Timing
Total: 287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.151.214, 104.21.32.123 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
The entity 2020se.cipherchallenge.org points to two IP numbers: 104.21.32.123 and 172.67.151.214.
For instance, other host names claude-api-translate.yingjie-qi.workers.dev, www.inwild.fr, studyseo.io, 199832.html.news.papajong.space and thesocialmediahandyman.com share IP numbers with 2020se.cipherchallenge.org.