coursesonly.com - robtex.com
coursesonly.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.203.239.70🇫🇷 LWS193.203.239.0/24 | ||||||
| NS | ns5.lwsdns.com ⭐ | ||||||
| A | 2a00:7ee0:1:0:6::20🇫🇷 LWS2a00:7ee0:1::/48 | ||||||
| PTR | ns5.lwsdns.com | ||||||
| A | 91.216.107.165🇫🇷 LWS91.216.107.0/24 | ||||||
| PTR | ns5.lwsdns.com | ||||||
| NS | ns6.lwsdns.com | ||||||
| A | 2a00:7ee0:8:0:6::20🇫🇷 LWS2a00:7ee0:8::/48 | ||||||
| PTR | ns6.lwsdns.com | ||||||
| A | 185.98.131.180🇫🇷 LWS185.98.131.0/24 | ||||||
| PTR | ns6.lwsdns.com | ||||||
| NS | ns7.lwsdns.com | ||||||
| A | 2a00:7ee0:1:0:6::21🇫🇷 LWS2a00:7ee0:1::/48 | ||||||
| PTR | ns7.lwsdns.com | ||||||
| A | 91.216.107.202🇫🇷 LWS91.216.107.0/24 | ||||||
| PTR | ns7.lwsdns.com | ||||||
| NS | ns8.lwsdns.com | ||||||
| A | 2a01:4f8:1c1c:ddaa::🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns8.lwsdns.com | ||||||
| A | 162.55.216.63🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC | ||||||
| PTR | ns8.lwsdns.com | ||||||
| MX | mail.coursesonly.com ⭐ | ||||||
| A | 185.98.131.127🇫🇷 LWS185.98.131.0/24 | ||||||
| PTR | mail34.lwspanel.com | ||||||
| TXT | v=spf1 mx:coursesonly.com a:mail.coursesonly.com a:mailphp.lws-hosting.com -all | ||||||
| SOA | ns5.lwsdns.comhostmaster@coursesonly.com serial=1708446032 | ||||||
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=1774495052 | ||||||
Same first word
coursesonly.com |
DNS History
7 records (6 active, 1 former)
●NSns5.lwsdns.com2020-02-29 → 2026-03-26 · 2 obs
● 2026-03-26 03:29:16
●NSns6.lwsdns.com2020-02-29 → 2026-03-26 · 2 obs
● 2026-03-26 03:29:16
●NSns7.lwsdns.com2020-02-29 → 2026-03-26 · 2 obs
● 2026-03-26 03:29:16
●NSns8.lwsdns.com2020-02-29 → 2026-03-26 · 2 obs
● 2026-03-26 03:29:16
●MXmail.coursesonly.com2020-02-29 → 2026-03-26 · 2 obs
● 2026-03-26 03:29:16
○A185.98.131.422020-02-29 → 2020-02-29 · 3 obs
○ 2026-02-24 18:29:20
○ 2026-03-26 03:29:16
●A193.203.239.702026-02-24 → 2026-03-26 · 3 obs
● 2026-02-24 18:29:20
● 2026-03-26 03:29:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursesonly.com | ns8.lwsdns.com, ns7.lwsdns.com, ns6.lwsdns.com, ns5.lwsdns.com | 8 records |
✅ Authoritative Response
Server:91.216.107.202
NS records: ns8.lwsdns.com, ns7.lwsdns.com, ns6.lwsdns.com, ns5.lwsdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursesonly.com (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.203.239.70 |
| NS | 4 | ns6.lwsdns.com, ns5.lwsdns.com... |
| MX | 1 | mail.coursesonly.com (pri: 10) |
| TXT | 1 | v=spf1 mx:coursesonly.com a:mail.courses |
| SOA | 1 | ns5.lwsdns.com hostmaster.coursesonly.co |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns8.lwsdns.com, ns8.lwsdns.com, ns7.lwsdns.com...)
Analysis
IP Addresses
coursesonly.com resolves to one IP number: 193.203.239.70.
other host names including anciennesrenault.eu, ns2c.com, satoriz.biz, tropcon.fr and undercarriage.com share IP numbers with coursesonly.com.
Name Servers
coursesonly.com is delegated to four name servers: ns5.lwsdns.com, ns6.lwsdns.com, ns7.lwsdns.com and ns8.lwsdns.com.
coursesonly.com at least partially shares name servers with other domains, for instance elektrosat.fr, mika-photo.com, santenaturelle-bienetre.com, kimpagroup.com and rubenarth.com.
Host names with two IP numbers:
ns5.lwsdns.com points to 2a00:7ee0:1:0:6::20 and 91.216.107.165; ns6.lwsdns.com points to 2a00:7ee0:8:0:6::20 and 185.98.131.180; ns7.lwsdns.com points to 2a00:7ee0:1:0:6::21 and 91.216.107.202; ns8.lwsdns.com points to 2a01:4f8:1c1c:ddaa:: and 162.55.216.63.
Mail Servers
coursesonly.com is handled by a single mail server, mail.coursesonly.com.
mail.coursesonly.com resolves to IP 185.98.131.127.