simple.instructure.workers.dev - dns.ninja
simple.instructure.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:4ba5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:b2bf🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.75.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.178.191🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.75.165, 172.67.178.191 | ||||||
| IPv6 hints | 2606:4700:3031::6815:4ba5, 2606:4700:3032::ac43:b2bf | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com | ||||||
instructure.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | louis.ns.cloudflare.com ⭐ | ||||||
| NS | zariyah.ns.cloudflare.com | ||||||
| SOA | louis.ns.cloudflare.comdns@cloudflare.com serial=2406721084 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●A104.21.75.1652026-02-24 → 2026-06-27 · 2 obs
● 2026-02-24 07:49:02
● 2026-06-27 17:48:28
● 2026-06-27 17:48:28
○A172.64.80.12026-02-24 → 2026-06-27 · 2 obs
○ 2026-02-24 07:49:02
○ 2026-06-27 17:48:28
○ 2026-06-27 17:48:28
●A172.67.178.1912026-02-24 → 2026-06-27 · 2 obs
● 2026-02-24 07:49:02
● 2026-06-27 17:48:28
● 2026-06-27 17:48:28
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-16 → 2026-03-16 · 4 obs
○ 2026-02-24 07:49:02
● 2026-03-16 16:49:24
○ 2026-04-10 18:30:40
○ 2026-06-27 17:48:28
● 2026-03-16 16:49:24
○ 2026-04-10 18:30:40
○ 2026-06-27 17:48:28
●A2606:4700:3031::6815:4ba52026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-15 00:13:00
● 2026-06-27 17:48:28
● 2026-06-27 17:48:28
○A2606:4700:3031::ac43:b2bf2026-02-24 → 2026-06-15 · 5 obs
● 2026-02-24 07:49:02
○ 2026-03-16 16:49:24
● 2026-04-10 18:30:40
● 2026-06-15 00:13:00
○ 2026-06-27 17:48:28
○ 2026-03-16 16:49:24
● 2026-04-10 18:30:40
● 2026-06-15 00:13:00
○ 2026-06-27 17:48:28
●A2606:4700:3032::ac43:b2bf2026-06-27 → 2026-06-27 · 2 obs
○ 2026-06-15 00:13:00
● 2026-06-27 17:48:28
● 2026-06-27 17:48:28
○A2606:4700:3035::6815:4ba52026-02-24 → 2026-06-15 · 5 obs
● 2026-02-24 07:49:02
○ 2026-03-16 16:49:24
● 2026-04-10 18:30:40
● 2026-06-15 00:13:00
○ 2026-06-27 17:48:28
○ 2026-03-16 16:49:24
● 2026-04-10 18:30:40
● 2026-06-15 00:13:00
○ 2026-06-27 17:48:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| workers.dev | clyde.ns.cloudflare.com, sofia.ns.cloudflare.com | - |
| instructure.workers.dev | louis.ns.cloudflare.com, zariyah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.89
NS records: louis.ns.cloudflare.com, zariyah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.75.165, 172.67.178.191 |
| AAAA | 2 | 2606:4700:3032::ac43:b2bf, 2606:4700:3031::6815:4ba5 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
simple.instructure.workers.dev resolves to four IP addresses: 104.21.75.165, 172.67.178.191, 2606:4700:3031::6815:4ba5 and 2606:4700:3032::ac43:b2bf.
Among the host names that share IP numbers with simple.instructure.workers.dev are eastcoastcarportsnc.com, neuralnextad-visory.forum, cabrinihs.com and two others.