courses-u.eu - robtex.com
courses-u.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.70.184.38🇫🇷 GANDI-AS217.70.184.0/24 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | webredir.vip.gandi.net | ||||||
| NS | ns1.gandi.net ⭐ | ||||||
| A | 2001:4b98:aaaa::2🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-1-a.gandi.net | ||||||
| A | 173.246.100.2🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A | ||||||
| PTR | ns-1-a.gandi.net | ||||||
| NS | ns-128-c.gandi.net | ||||||
| A | 2604:3400:aaac::81🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc. | ||||||
| PTR | ns-128-c.gandi.net | ||||||
| A | 217.70.187.129🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-128-c.gandi.net | ||||||
| NS | ns-132-b.gandi.net | ||||||
| A | 2001:4b98:aaab::85🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | ns-132-b.gandi.net | ||||||
| A | 213.167.230.133🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-132-b.gandi.net | ||||||
| NS | ns-57-a.gandi.net | ||||||
| A | 2001:4b98:aaaa::3a🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-57-a.gandi.net | ||||||
| A | 173.246.100.58🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A | ||||||
| PTR | ns-57-a.gandi.net | ||||||
| SOA | ns1.gandi.nethostmaster@gandi.net serial=1775692800 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1123272625 | ||||||
Subdomains
mail.courses-u.eu |
Same first word
courses-u.eu |
courses-u.fr |
courses-u.com |
DNS History
11 records (5 active, 6 former)
●NSns-128-c.gandi.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 12:17:44
● 2026-04-14 15:49:22
●NSns-132-b.gandi.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 12:17:44
● 2026-04-14 15:49:22
●NSns-57-a.gandi.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 12:17:44
● 2026-04-14 15:49:22
●NSns1.gandi.net2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 12:17:44
● 2026-04-14 15:49:22
○NSns1.rrpproxy.net2015-07-08 → 2016-12-24 · 4 obs
● 2016-12-24 15:50:26
○ 2026-04-09 12:17:44
○ 2026-04-14 15:49:22
○NSns2.rrpproxy.net2015-07-08 → 2016-12-24 · 4 obs
● 2016-12-24 15:50:26
○ 2026-04-09 12:17:44
○ 2026-04-14 15:49:22
○NSns3.rrpproxy.net2015-07-08 → 2016-12-24 · 4 obs
● 2016-12-24 15:50:26
○ 2026-04-09 12:17:44
○ 2026-04-14 15:49:22
○MXmail.courses-u.eu2015-07-08 → 2016-12-24 · 4 obs
● 2016-12-24 15:50:26
○ 2026-04-09 12:17:44
○ 2026-04-14 15:49:22
○A109.234.109.2152015-07-08 → 2016-05-05 · 4 obs
● 2016-05-05 07:03:44
○ 2016-12-24 15:50:26
○ 2026-04-14 15:49:22
○A137.74.127.2332016-12-24 → 2016-12-24 · 4 obs
● 2016-12-24 15:50:26
○ 2026-04-09 12:17:44
○ 2026-04-14 15:49:22
●A217.70.184.382026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 12:17:44
● 2026-04-14 15:49:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| courses-u.eu | ns-128-c.gandi.net, ns-132-b.gandi.net, ns-57-a.gandi.net | - |
✅ Authoritative Response
Server:173.246.100.58
NS records: ns-128-c.gandi.net, ns-132-b.gandi.net, ns-57-a.gandi.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courses-u.eu (unsigned zone)
⏱️ Timing
Total: 660ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.70.184.38 |
| NS | 3 | ns-57-a.gandi.net, ns-128-c.gandi.net... |
| SOA | 1 | ns1.gandi.net hostmaster.gandi.net |
Analysis
Hierarchy
The parent of mail.courses-u.eu is courses-u.eu.
IP Addresses
courses-u.eu points to an IP address: 217.70.184.38.
other host names include c-frais.com, amiante.eu, immobilier-guadeloupe.net, soshop.fr and woodfloorsofmichigan.com; they share IP numbers with courses-u.eu.
Name Servers
courses-u.eu delegates to four name servers: ns-128-c.gandi.net, ns-132-b.gandi.net, ns-57-a.gandi.net and ns1.gandi.net.
courses-u.eu at least partially shares name servers with other domains, for instance cubjeans.com, tliebrand.com, asnieres-escrime.fr, esolcourses.org.uk and welovegood(0x736578).com.
These name servers are commonly used with ns-198-c.gandi.net, ns-104-b.gandi.net, ns-113-a.gandi.net, ns-251-c.gandi.net and ns-34-c.gandi.net.
Host names with two IP numbers: ns-128-c.gandi.net points to 2604:3400:aaac::81 and 217.70.187.129; ns-132-b.gandi.net points to 2001:4b98:aaab::85 and 213.167.230.133; ns-57-a.gandi.net points to 2001:4b98:aaaa::3a and 173.246.100.58; ns1.gandi.net points to 2001:4b98:aaaa::2 and 173.246.100.2.