course.dev - robtex.com
course.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | curitiba.ns.porkbun.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | fortaleza.ns.porkbun.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | maceio.ns.porkbun.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | salvador.ns.porkbun.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (4 active, 2 former)
●NScuritiba.ns.porkbun.com2026-08-24 → 2026-08-27 · 2 obs
● 2026-08-27 22:16:58
●NSfortaleza.ns.porkbun.com2026-08-24 → 2026-08-27 · 2 obs
● 2026-08-27 22:16:58
●NSmaceio.ns.porkbun.com2026-08-24 → 2026-08-27 · 2 obs
● 2026-08-27 22:16:58
●NSsalvador.ns.porkbun.com2026-08-24 → 2026-08-27 · 2 obs
● 2026-08-27 22:16:58
○MXyour-dns-needs-immediate-attention.dev2018-02-01 → 2018-02-01 · 3 obs
○ 2020-12-11 20:42:10
○ 2026-08-27 22:16:58
○A127.0.53.532018-02-01 → 2018-02-01 · 3 obs
○ 2020-12-11 20:42:10
○ 2026-08-27 22:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| course.dev | salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.11.180
NS records: salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course.dev (unsigned zone)
⏱️ Timing
Total: 550ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Name Servers
course.dev has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
At least some of course.dev's name servers are shared with other domains, for example oraclesolo.app, nftsarenotfun.com, webkoils.com and two more.
Four hostnames, each resolving to a pair of IP addresses: curitiba.ns.porkbun.com directs to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com directs to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com directs to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com directs to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.