devicourse.com - robtex.com
devicourse.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1788460280 | ||||||
Same first word
devicourse.com |
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSns6.idwebhost.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●NSns7.idwebhost.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●MXalt1.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●MXalt2.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●MXalt3.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●MXalt4.aspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●MXaspmx.l.google.com2026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
●A103.30.147.512026-09-01 → 2026-09-03 · 2 obs
● 2026-09-03 18:46:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| devicourse.com | ns7.idwebhost.com, ns6.idwebhost.com | 2 records |
✅ Authoritative Response
Server:103.30.147.83
NS records: ns7.idwebhost.com, ns6.idwebhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devicourse.com (unsigned zone)
⏱️ Timing
Total: 801ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.30.147.51 |
| NS | 2 | ns6.idwebhost.com, ns7.idwebhost.com |
| MX | 5 | ALT1.ASPMX.L.GOOGLE.com (pri: 5), ASPMX.L.GOOGLE.com (pri: 1)... |
| TXT | 2 | v=spf1 +a +mx +ip4:103.30.147.51 +ip4:20, google-site-verification=tEIB_R1FVvl0LoJ |
| SOA | 1 | ns6.idwebhost.com emailserver.jcamp.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns7.idwebhost.com, ns6.idwebhost.com)
Analysis
IP Addresses
devicourse.com has exactly one IP address — 103.30.147.51.
akhdani.co.id, maalasror.sch.id, inlintek.co.id plus two other host names have IP numbers in common with devicourse.com.
Name Servers
Two name servers handle the delegation for devicourse.com: ns6.idwebhost.com and ns7.idwebhost.com.
The name server configuration of devicourse.com is shared with other domains, for instance surya-utama.com, 58reload.com, naminauna.com and two others.
devicourse.com is at least partially co-delegated on name servers with other domains, such as asa.web.id.
Each of ns6.idwebhost.com and ns7.idwebhost.com has one IP address: ns6.idwebhost.com uses 203.161.184.122 and ns7.idwebhost.com uses 103.30.147.83.
Mail Servers
Five mail servers handle devicourse.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by devicourse.com are shared with other domains: aims-uk.com, warmhiverteam.info, tetherit.io and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com resolves to two addresses: 64.233.180.27 and 2607:f8b0:4004:c09::1b.
alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.26 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.