spectrum-course.com - robtex.com
spectrum-course.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.220.4.210🇳🇱 HOSTHATCH-ASN31.220.4.0/24 HostHatch Amsterdam | ||||||
| NS | ns27.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2171::e🇺🇸 GODADDY-DNS2603:5:2170::/44 | ||||||
| PTR | ns27.domaincontrol.com | ||||||
| A | 97.74.103.14🇺🇸 GODADDY-DNS97.74.102.0/23 | ||||||
| PTR | ns27.domaincontrol.com | ||||||
| NS | ns28.domaincontrol.com | ||||||
| A | 2603:5:2271::e🇺🇸 GODADDY-DNS2603:5:2270::/44 | ||||||
| PTR | ns28.domaincontrol.com | ||||||
| A | 173.201.71.14🇺🇸 GODADDY-DNS173.201.70.0/23 | ||||||
| PTR | ns28.domaincontrol.com | ||||||
| MX | mail.spectrum-course.com ⭐ | ||||||
| A | 176.126.85.13🇳🇱 HOSTHATCH-ASN176.126.85.0/24 HostHatch Amsterdam | ||||||
| PTR | mail.spectrum-course.com | ||||||
| TXT | v=spf1 a mx include:adaptive-code.com -all | ||||||
| SOA | ns27.domaincontrol.comdns@jomax.net 2024-10-12 #1 | ||||||
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=1774442122 | ||||||
Subdomains
mail.spectrum-course.com |
Same first word
spectrum-course.com |
DNS History
4 records (4 active, 0 former)
●NSns27.domaincontrol.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:38:46
●NSns28.domaincontrol.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:38:46
●MXmail.spectrum-course.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:38:46
●A31.220.4.2102026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 12:38:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| spectrum-course.com | ns27.domaincontrol.com, ns28.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.71.14
NS records: ns27.domaincontrol.com, ns28.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for spectrum-course.com (unsigned zone)
⏱️ Timing
Total: 554ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.220.4.210 |
| NS | 2 | ns27.domaincontrol.com, ns28.domaincontrol.com |
| MX | 1 | mail.spectrum-course.com (pri: 1) |
| TXT | 1 | v=spf1 a mx include:adaptive-code.com -a |
| SOA | 1 | ns27.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns27.domaincontrol.com, ns27.domaincontrol.com, ns28.domaincontrol.com...)
Analysis
Hierarchy
spectrum-course.com is the parent of mail.spectrum-course.com.
IP Addresses
spectrum-course.com resolves to a single IP: 31.220.4.210.
Name Servers
spectrum-course.com has two name servers: ns27.domaincontrol.com and ns28.domaincontrol.com.
spectrum-course.com shares the same name server setup as other domains, for example ixpertis.com, jessicastanfill.com, h2otreater.com, faiazza.org and nocalor.com.
spectrum-course.com partially shares name servers with other domains, for instance ccdn.org.
Host names with two IP numbers:
ns27.domaincontrol.com points to: 2603:5:2171::e and 97.74.103.14; ns28.domaincontrol.com points to: 2603:5:2271::e and 173.201.71.14.
Mail Servers
spectrum-course.com is handled by a single mail server, mail.spectrum-course.com.
Host name mail.spectrum-course.com points to IP 176.126.85.13.