thecourses.org - robtex.com
thecourses.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::211🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.211🇬🇧 TWENTYI185.151.30.0/24 | ||||||
| NS | ns1.stackdns.com ⭐ | ||||||
| A | 35.197.225.59🇬🇧 Google35.197.224.0/20 | ||||||
| PTR | 59.225.197.35.bc.googleusercontent.com | ||||||
| NS | ns2.stackdns.com | ||||||
| A | 146.148.28.88🇧🇪 Google146.148.16.0/20 | ||||||
| PTR | 88.28.148.146.bc.googleusercontent.com | ||||||
| NS | ns3.stackdns.com | ||||||
| A | 35.198.79.191🇩🇪 Google35.198.64.0/20 | ||||||
| PTR | 191.79.198.35.bc.googleusercontent.com | ||||||
| NS | ns4.stackdns.com | ||||||
| A | 104.196.137.209🇺🇸 Google104.196.128.0/20 | ||||||
| PTR | 209.137.196.104.bc.googleusercontent.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| TXT | v=spf1 include:spf.stackmail.com a mx -all | ||||||
| TXT | google-site-verification=9nlr8jZ2qq_-3Zp8Geu24U4WWaiVOZUV8Uht8Oj1cwA | ||||||
| SOA | ns1.stackdns.comhostmaster@stackdns.com serial=1715922890 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777017612 | ||||||
Same first word
thecourses.org |
thecourses.com |
thecourses.eu |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.stackdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●NSns2.stackdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●NSns3.stackdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●NSns4.stackdns.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●MXmx.stackmail.com2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●A185.151.30.2112026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
●A2a07:7800::2112026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| thecourses.org | ns2.stackdns.com, ns4.stackdns.com, ns1.stackdns.com, ns3.stackdns.com | - |
✅ Authoritative Response
Server:35.198.79.191
NS records: ns2.stackdns.com, ns4.stackdns.com, ns1.stackdns.com, ns3.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thecourses.org (unsigned zone)
⏱️ Timing
Total: 793ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.211 |
| AAAA | 1 | 2a07:7800::211 |
| NS | 4 | ns2.stackdns.com, ns3.stackdns.com... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| TXT | 2 | google-site-verification=9nlr8jZ2qq_-3Zp, v=spf1 include:spf.stackmail.com a mx -a |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
Analysis
IP Addresses
Two IP numbers are pointed to by thecourses.org: 2a07:7800::211 and 185.151.30.211.
other host names include evansremovals.co.uk, www.carolynturnercounselling.co.uk, cartridgeking.eu, bri.cz and iracknet.com; they share IP numbers with thecourses.org.
Name Servers
thecourses.org delegates to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
thecourses.org at least partially shares name servers with other domains, for instance simplifythelaw.co.uk, globalbridgenetwork.com, bwhire.com, brixly.network and sjggroup.co.uk.
Host names with one IP number: ns1.stackdns.com points to: 35.197.225.59; ns2.stackdns.com points to: 146.148.28.88; ns3.stackdns.com points to: 35.198.79.191; ns4.stackdns.com points to: 104.196.137.209.
Mail Servers
thecourses.org is handled by a single mail server, mx.stackmail.com.
thecourses.org uses the same mail server setup as other domains, for instance oscarsleep.com, sleekweb.host, simonmanby.com, lionsgateagency.com and mathsheaven.co.uk.
thecourses.org shares at least some mail servers with other domains, for instance bkskiphire.co.uk.
The host name mx.stackmail.com points to IP 185.151.28.67.