us3.studyhost.net - robtex.com
us3.studyhost.net
| DNSSEC | ⚠️ Not signed | ||||||
studyhost.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:1736🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d137🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.23.54Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.209.55🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fred.ns.cloudflare.com ⭐ | ||||||
| NS | kami.ns.cloudflare.com | ||||||
| MX | _dc-mx.c924d7f02acc.studyhost.net ⭐ | ||||||
| TXT | v=spf1 +a +mx include:spf.mxyeet.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.23.54, 172.67.209.55 | ||||||
| IPv6 hints | 2606:4700:3034::6815:1736, 2606:4700:3037::ac43:d137 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com | ||||||
| SOA | fred.ns.cloudflare.comdns@cloudflare.com serial=2410067071 | ||||||
Previously NS for
Same first word
Similar names
su3.net |
3us.net |
su3.io |
su3.pw |
u3s.ru |
3us.de |
u3s.de |
3su.cn |
su3.org |
s3u.de |
s3u.com |
u3s.homes |
su3.de |
su3.mobi |
3us.us |
3us.com |
3su.nl |
s3u.net |
su3.me |
3su.co.uk |
3us.nl |
u3s.co.in |
3su.me |
u3s.cc |
3su.org |
3us.ru |
u3s.at |
DNS History
1 record (0 active, 1 former)
○A72.44.88.372015-07-23 → 2017-08-28 · 4 obs
● 2015-07-23 08:38:32
● 2017-08-28 14:10:18
○ 2026-04-29 16:34:30
○ 2026-07-29 17:15:26
● 2017-08-28 14:10:18
○ 2026-04-29 16:34:30
○ 2026-07-29 17:15:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| studyhost.net | fred.ns.cloudflare.com, kami.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.177
NS records: fred.ns.cloudflare.com, kami.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyhost.net (unsigned zone)
⏱️ Timing
Total: 279ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|