course.id - robtex.com
course.id
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.208.183.194🇺🇸 WHOLESALE-INTERNET | ||||||
| PTR | server27.eternalservers.com | ||||||
| NS | ns1.unlimited.co.id ⭐ | ||||||
| A | 173.208.183.194🇺🇸 WHOLESALE-INTERNET | ||||||
| PTR | server27.eternalservers.com | ||||||
| NS | ns2.unlimited.co.id | ||||||
| A | 173.208.183.195🇺🇸 WHOLESALE-INTERNET | ||||||
| MX | mail.course.id ⭐ | ||||||
| A | 173.208.183.194🇺🇸 WHOLESALE-INTERNET | ||||||
| PTR | server27.eternalservers.com | ||||||
| TXT | v=spf1 a mx ip4:173.208.183.194 ~all | ||||||
| SOA | ns1.unlimited.co.idhostmaster@course.id 2024-08-14 #1 | ||||||
id
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.dns.id ⭐ 🔒 | ||||||
| NS | c.dns.id 🔒 | ||||||
| NS | d.dns.id 🔒 | ||||||
| NS | e.dns.id 🔒 | ||||||
| NS | ns4.apnic.net ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | b.dns.idhostmaster@pandi.id serial=2025815928 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.unlimited.co.id2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:03:42
●NSns2.unlimited.co.id2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:03:42
●MXmail.course.id2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:03:42
●A173.208.183.1942026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:03:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| course.id | ns1.unlimited.co.id, ns2.unlimited.co.id | - |
✅ Authoritative Response
Server: 173.208.183.195
NS records: ns1.unlimited.co.id, ns2.unlimited.co.id
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course.id (unsigned zone)
⏱️ Timing
Total: 159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.208.183.194 |
| NS | 2 | ns1.unlimited.co.id, ns2.unlimited.co.id |
| MX | 1 | mail.course.id (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:173.208.183.194 ~all |
| SOA | 1 | ns1.unlimited.co.id hostmaster.course.id |
AI analysis
course.id points to IP number 173.208.183.194.
For instance, other host names mail.unlimitedhosting.co, mail.statistik.id, mail.tekno.co.id, domain-ini-dijual.domaincantik.co.id and mail.registrasi.id share IP numbers with course.id.
course.id is delegated to two name servers: ns1.unlimited.co.id and ns2.unlimited.co.id.
course.id uses the same name server setup as other domains such as otomotif.web.id, anime.id, ibadah.id, unlimited.co.id and nama.web.id.
course.id shares name servers with other domains at least partially, for example jejaringsosial.com.
These name servers are commonly used with the name servers ns53.eternalservers.com and ns54.eternalservers.com.
Host names with one IP number:
ns1.unlimited.co.id points to: 173.208.183.194.
ns2.unlimited.co.id points to: 173.208.183.195.
course.id is handled by a single mail server, mail.course.id.
mail.course.id points to a single IP: 173.208.183.194.