topcourses.uk - robtex.com
topcourses.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::182🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.182🇬🇧 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 | google-site-verification=UUTQx84x-Ngw4nOLHR_k8FKzUxLI2r4x2uVfX9-CzeE | ||||||
| SOA | ns1.stackdns.comhostmaster@stackdns.com serial=1712271827 | ||||||
uk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns1.nic.uk ⭐ | ||||||
| NS | dns2.nic.uk | ||||||
| NS | dns3.nic.uk | ||||||
| NS | dns4.nic.uk | ||||||
| NS | nsa.nic.uk | ||||||
| NS | nsb.nic.uk | ||||||
| NS | nsc.nic.uk | ||||||
| NS | nsd.nic.uk | ||||||
| SOA | dns1.nic.ukhostmaster@nic.uk serial=1774363737 | ||||||
Same first word
topcourses.co |
topcourses.ru |
topcourses.uk |
topcourses.org |
topcourses.com.br |
topcourses.online |
topcourses.net |
topcourses.co.uk |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.stackdns.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●NSns2.stackdns.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●NSns3.stackdns.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●NSns4.stackdns.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●MXmx.stackmail.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●A185.151.30.1822026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
●A2a07:7800::1822026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 15:02:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsd.nic.uk, dns3.nic.uk, nsa.nic.uk, dns2.nic.uk... | - |
| topcourses.uk | ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com | - |
✅ Authoritative Response
Server:104.196.137.209
NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topcourses.uk (unsigned zone)
⏱️ Timing
Total: 1526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.182 |
| AAAA | 1 | 2a07:7800::182 |
| NS | 4 | ns3.stackdns.com, ns1.stackdns.com... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| TXT | 1 | google-site-verification=UUTQx84x-Ngw4nO |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
Analysis
IP Addresses
topcourses.uk resolves to two IP numbers: 2a07:7800::182 and 185.151.30.182.
Other host names, for instance www.roundandaboutburnham.co.uk, www.jcwalwyn.co.uk, ns6.bbns.co.uk, nswinches.co.uk and mail.heybridgeparishcouncil.gov.uk share IP numbers with topcourses.uk.
Name Servers
topcourses.uk is delegated to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
topcourses.uk shares some name servers with other domains, for example skipalliance.com, marcilla.mx, caggan.co.uk, monmouth.gov.uk and ajetdrains.co.uk.
Host names with a single IP
ns1.stackdns.com resolves to 35.197.225.59
ns2.stackdns.com resolves to 146.148.28.88
ns3.stackdns.com resolves to 35.198.79.191
ns4.stackdns.com resolves to 104.196.137.209
Mail Servers
topcourses.uk is handled by a single mail server, mx.stackmail.com.
topcourses.uk shares the mail server setup with other domains, for example chatroomvista.com, domainbank.in, petros-project.com, morganandmilo.com and tomorrowsworlduk.com.
Host name mx.stackmail.com points to IP 185.151.28.67.