coursereservations.com - robtex.com
coursereservations.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 95.211.231.112🇳🇱 LEASEWEB-NL-AMS-0195.211.0.0/16 LEASEWEB | ||||||
| PTR | tqlin80.teqa.io | ||||||
| NS | ns0.leaseweb.com ⭐ | ||||||
| A | 2607:f5b5::53🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| A | 23.19.196.53🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| NS | ns1.leaseweb.com | ||||||
| A | 2607:f5b5:1::53🇺🇸 LEASEWEB-NL-AMS-012607:f5b5:1::/48 Leaseweb USA, Inc. | ||||||
| PTR | ns1.leaseweb.com | ||||||
| A | 23.19.197.53🇺🇸 LEASEWEB-NL-AMS-0123.19.197.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns1.leaseweb.com | ||||||
| SOA | ns0.leaseweb.compostmaster@leaseweb.com 2024-11-26 #2 | ||||||
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=1785284462 | ||||||
Same first word
coursereservations.com |
DNS History
7 records (3 active, 4 former)
●NSns0.leaseweb.com2026-03-29 → 2026-07-29 · 3 obs
● 2026-03-29 04:59:18
● 2026-07-29 00:24:04
●NSns1.leaseweb.com2026-03-29 → 2026-07-29 · 3 obs
● 2026-03-29 04:59:18
● 2026-07-29 00:24:04
○NSns1.mdns.nl2015-11-14 → 2017-12-18 · 4 obs
● 2017-12-18 19:35:58
○ 2026-03-29 04:59:18
○ 2026-07-29 00:24:04
○NSns2.mdns.nl2015-11-14 → 2017-12-18 · 4 obs
● 2017-12-18 19:35:58
○ 2026-03-29 04:59:18
○ 2026-07-29 00:24:04
○MXmail.coursereservations.com2015-11-14 → 2017-12-18 · 4 obs
● 2017-12-18 19:35:58
○ 2026-03-29 04:59:18
○ 2026-07-29 00:24:04
○A109.237.211.1852015-11-14 → 2017-12-18 · 4 obs
● 2017-12-18 19:35:58
○ 2026-03-29 04:59:18
○ 2026-07-29 00:24:04
●A95.211.231.1122026-03-29 → 2026-07-29 · 3 obs
● 2026-03-29 04:59:18
● 2026-07-29 00:24:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursereservations.com | ns0.leaseweb.com, ns1.leaseweb.com | 4 records |
✅ Authoritative Response
Server:23.19.196.53
NS records: ns0.leaseweb.com, ns1.leaseweb.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 95.211.231.112 |
| NS | 2 | ns1.leaseweb.com, ns0.leaseweb.com |
| SOA | 1 | ns0.leaseweb.com postmaster.leaseweb.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns0.leaseweb.com, ns0.leaseweb.com, ns1.leaseweb.com...)
Analysis
IP Addresses
coursereservations.com points to a single IP number: 95.211.231.112.
Additional host names — reserveringssysteem.info, i-reserve.tv, mail.i-reserve.name and two others — share IP numbers with coursereservations.com.
Name Servers
coursereservations.com is served by two delegated name servers, ns0.leaseweb.com and ns1.leaseweb.com.
coursereservations.com shares its name server setup with other domains, including 204.142.174.in-addr.arpa, pedram.biz, grevenautomotive.nl and two others.
At least some of coursereservations.com's name servers are shared with other domains, for example leaseweb.at, 194.75.94.in-addr.arpa, incramind.nl and two more.
These name servers tend to co-occur with ns4.leaseweb.net, ns1.leaseweb.nl, ns5.leaseweb.nl and 3 other name servers in the same DNS delegations.
Each of the two host names carries two IP addresses: ns0.leaseweb.com points to 23.19.196.53 and 2607:f5b5::53, and ns1.leaseweb.com points to 23.19.197.53 and 2607:f5b5:1::53.