courses4you.com - robtex.com
courses4you.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.1.147.7🇬🇧 TELX-AS210250194.1.147.0/24 | ||||||
| PTR | wpx.net | ||||||
| A | 194.1.147.23🇬🇧 TELX-AS210250194.1.147.0/24 | ||||||
| NS | ns1.wpx.net ⭐ | ||||||
| A | 194.1.147.230🇬🇧 TELX-AS210250194.1.147.0/24 | ||||||
| PTR | wpx.net | ||||||
| NS | ns2.wpx.net | ||||||
| A | 194.1.147.231🇬🇧 TELX-AS210250194.1.147.0/24 | ||||||
| PTR | wpx.net | ||||||
| NS | ns3.wpx.net | ||||||
| A | 194.1.147.210🇬🇧 TELX-AS210250194.1.147.0/24 | ||||||
| PTR | wpx.net | ||||||
| MX | mail.courses4you.com ⭐ | ||||||
| A | 198.60.193.35🇺🇸 TELX-AS210250198.60.193.0/24 | ||||||
| PTR | s35.wpx.net | ||||||
| TXT | v=spf1 a mx a:courses4you.com ip4:67.202.92.35 ip4:198.60.193.35 ip4:198.60.1... | ||||||
| SOA | ns1.wpx.netroot@s35.wpx.net serial=1765282628 | ||||||
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=1778426721 | ||||||
Subdomains
mail.courses4you.com |
Same first word
courses4you.com |
DNS History
15 records (6 active, 9 former)
○NSdns.site5.com2017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 22:45:24
○ 2026-02-16 11:10:48
○ 2026-05-10 15:34:50
○NSdns2.site5.com2017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 22:45:24
○ 2026-02-16 11:10:48
○ 2026-05-10 15:34:50
○NSns1.webserversystems.com2016-09-02 → 2016-09-02 · 4 obs
● 2016-09-02 05:28:44
○ 2017-04-09 22:45:24
○ 2026-05-10 15:34:50
●NSns1.wpx.net2026-02-16 → 2026-05-10 · 3 obs
● 2026-02-16 11:10:48
● 2026-05-10 15:34:50
○NSns14.premiumdns.net2015-07-02 → 2016-05-01 · 4 obs
● 2016-05-01 09:39:16
○ 2016-09-02 05:28:44
○ 2026-05-10 15:34:50
○NSns15.premiumdns.net2015-07-02 → 2016-05-01 · 4 obs
● 2016-05-01 09:39:16
○ 2016-09-02 05:28:44
○ 2026-05-10 15:34:50
○NSns2.webserversystems.com2016-09-02 → 2016-09-02 · 4 obs
● 2016-09-02 05:28:44
○ 2017-04-09 22:45:24
○ 2026-05-10 15:34:50
●NSns2.wpx.net2026-02-16 → 2026-05-10 · 3 obs
● 2026-02-16 11:10:48
● 2026-05-10 15:34:50
●NSns3.wpx.net2026-02-16 → 2026-05-10 · 3 obs
● 2026-02-16 11:10:48
● 2026-05-10 15:34:50
●MXmail.courses4you.com2015-07-02 → 2026-05-10 · 2 obs
● 2026-05-10 15:34:50
○A143.95.228.1102017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 22:45:24
○ 2026-02-16 11:10:48
○ 2026-05-10 15:34:50
○A174.120.222.662015-07-02 → 2016-05-01 · 4 obs
● 2016-05-01 09:39:16
○ 2016-09-02 05:28:44
○ 2026-05-10 15:34:50
●A194.1.147.232026-02-16 → 2026-05-10 · 3 obs
● 2026-02-16 11:10:48
● 2026-05-10 15:34:50
●A194.1.147.72026-02-16 → 2026-05-10 · 3 obs
● 2026-02-16 11:10:48
● 2026-05-10 15:34:50
○A23.91.71.2302016-09-02 → 2016-09-02 · 4 obs
● 2016-09-02 05:28:44
○ 2017-04-09 22:45:24
○ 2026-05-10 15:34:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| courses4you.com | ns1.wpx.net, ns2.wpx.net, ns3.wpx.net | - |
✅ Authoritative Response
Server:194.1.147.231
NS records: ns1.wpx.net, ns2.wpx.net, ns3.wpx.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courses4you.com (unsigned zone)
⏱️ Timing
Total: 613ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 194.1.147.23, 194.1.147.7 |
| NS | 3 | ns1.wpx.net, ns2.wpx.net... |
| MX | 1 | mail.courses4you.com (pri: 5) |
| TXT | 1 | v=spf1 a mx a:courses4you.com ip4:67.202 |
| SOA | 1 | ns1.wpx.net root.s35.wpx.net |
Analysis
Hierarchy
courses4you.com is the parent of mail.courses4you.com.
IP Addresses
courses4you.com resolves to two IP numbers: 194.1.147.7 and 194.1.147.23.
other host names including www.svezaimunitet.com, chuckys.bg, foxchronicle.com, greycoder.com and ui-magic.com share IP numbers with courses4you.com.
Name Servers
courses4you.com is delegated to three name servers ns1.wpx.net, ns2.wpx.net and ns3.wpx.net.
courses4you.com at least partially shares name servers with other domains, for instance onepage.pro, belleformation.fr, bigeasyrenovations.com, simplerandsmarter.com.au and drivehh.com.
these name servers are commonly used with the name servers ns64.wpx.net, ns65.wpx.net, ns38.wpxhosting.com, ns39.wpxhosting.com, ns32.wpxhosting.com, ns33.wpxhosting.com, ns28.wpxhosting.com and ns29.wpxhosting.com.
Host names with one IP number: ns1.wpx.net points to 194.1.147.230; ns2.wpx.net points to 194.1.147.231; ns3.wpx.net points to 194.1.147.210.
Mail Servers
courses4you.com is handled by a single mail server, mail.courses4you.com.
mail.courses4you.com resolves to IP 198.60.193.35.