opleiding.nu - robtex.com
opleiding.nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.openprovider.nl ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a0a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.10Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.openprovider.be | ||||||
| A | 2400:cb00:2049:1::a29f:1b60🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.96Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.openprovider.eu | ||||||
| A | 2400:cb00:2049:1::a29f:3059🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.89Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.openprovider.nldns@openprovider.eu 2020-01-07 #2 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:63a15480-55b9-4ca6-b076-1fcf9cdb3c70 | ||||||
| TXT | NU zone update: 2026-03-26 02:35:47 +0000 (EPOCH 1774492547) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1774492650 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSns1.openprovider.nl2026-03-25 → 2026-03-26 · 3 obs
○ 2017-06-29 18:44:56
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
○NSns1.remarcable.biz2015-05-21 → 2017-06-29 · 4 obs
● 2015-05-21 19:25:28
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
○NSns1.remarcable.biz.opleiding.nu2015-05-21 → 2017-06-29 · 4 obs
● 2015-05-21 19:25:28
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
●NSns2.openprovider.be2026-03-25 → 2026-03-26 · 3 obs
○ 2017-06-29 18:44:56
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
○NSns2.remarcable.biz2015-05-21 → 2017-06-29 · 4 obs
● 2015-05-21 19:25:28
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
●NSns3.openprovider.eu2026-03-25 → 2026-03-26 · 3 obs
○ 2017-06-29 18:44:56
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
● 2026-03-25 08:29:32
● 2026-03-26 02:49:44
○MXmail.remarcable.biz2015-05-21 → 2017-06-29 · 4 obs
● 2015-05-21 19:25:28
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
○A46.21.166.1892015-05-21 → 2017-06-29 · 4 obs
● 2015-05-21 19:25:28
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
● 2017-06-29 18:44:56
○ 2026-03-25 08:29:32
○ 2026-03-26 02:49:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | - |
| opleiding.nu | ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu | - |
✅ Authoritative Response
Server:162.159.26.10
NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1089ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.openprovider.be, ns3.openprovider.eu... |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
Analysis
Name Servers
opleiding.nu is delegated to name servers ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
opleiding.nu at least partially shares name servers with other domains such as olivademerida.com, m-ticket.nl, hankadams.nl, s(0x616e616c)u.com and communicom.nl.
Host names with two IP numbers:
ns2.openprovider.be points to 2400:cb00:2049:1::a29f:1b60 and 162.159.27.96.
ns3.openprovider.eu points to 2400:cb00:2049:1::a29f:3059 and 162.159.48.89.
ns1.openprovider.nl points to 2400:cb00:2049:1::a29f:1a0a and 162.159.26.10.