dev.gotocourse.com - dns.ninja
dev.gotocourse.com
| DNSSEC | ⚠️ Not signed | ||||||
gotocourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:5ed2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8c4f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.94.210Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.140.79🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | agustin.ns.cloudflare.com ⭐ | ||||||
| NS | naomi.ns.cloudflare.com | ||||||
| MX | _dc-mx.772816b448fa.gotocourse.com ⭐ | ||||||
| TXT | google-site-verification=n8ILHMfK6w-h6cpC4sZwYm0dLdoCSAxj2BQUdqbbVUc | ||||||
| TXT | v=spf1 a mx ip4:159.65.13.182 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.94.210, 172.67.140.79 | ||||||
| IPv6 hints | 2606:4700:3032::6815:5ed2, 2606:4700:3037::ac43:8c4f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com | ||||||
| SOA | agustin.ns.cloudflare.comdns@cloudflare.com serial=2407460849 | ||||||
Same first word
Similar names
DNS History
5 records (0 active, 5 former)
○NSns1.afternic.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:16:18
○ 2026-07-27 15:29:46
○ 2026-07-27 15:29:46
○NSns2.afternic.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:16:18
○ 2026-07-27 15:29:46
○ 2026-07-27 15:29:46
○MX.2026-04-14 → 2026-07-27 · 2 obs
○ 2026-04-14 22:16:18
○ 2026-07-27 15:29:46
○ 2026-07-27 15:29:46
○A13.248.169.482026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:16:18
○ 2026-07-27 15:29:46
○ 2026-07-27 15:29:46
○A76.223.54.1462026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 22:16:18
○ 2026-07-27 15:29:46
○ 2026-07-27 15:29:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gotocourse.com | naomi.ns.cloudflare.com, agustin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.208
NS records: naomi.ns.cloudflare.com, agustin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gotocourse.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (naomi.ns.cloudflare.com, naomi.ns.cloudflare.com, naomi.ns.cloudflare.com...)