optimalcare.nl - robtex.com
optimalcare.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-03-28 06:00:01 +0000 (EPOCH 1774677601) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-03-28 #12 | ||||||
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
○NSns01.webstekker.nl2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 23:05:26
○ 2020-03-14 18:11:24
○ 2026-03-28 06:29:40
○NSns02.webstekker.nl2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 23:05:26
○ 2020-03-14 18:11:24
○ 2026-03-28 06:29:40
●NSns1.dn-s.nl2020-03-14 → 2026-03-28 · 3 obs
● 2020-03-14 18:11:24
● 2026-03-28 06:29:40
●NSns2.dn-s.nl2020-03-14 → 2026-03-28 · 3 obs
● 2020-03-14 18:11:24
● 2026-03-28 06:29:40
●NSns3.dn-s.nl2020-03-14 → 2026-03-28 · 3 obs
● 2020-03-14 18:11:24
● 2026-03-28 06:29:40
●NSns4.dn-s.nl2020-03-14 → 2026-03-28 · 3 obs
● 2020-03-14 18:11:24
● 2026-03-28 06:29:40
●MXoptimalcare-nl.mail.protection.outlook.com2020-03-14 → 2026-03-28 · 3 obs
● 2020-03-14 18:11:24
● 2026-03-28 06:29:40
○MXoptimalcare.nl.bak-mx.eu0103.smtpbak.com2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 23:05:26
○ 2020-03-14 18:11:24
○ 2026-03-28 06:29:40
○MXoptimalcare.nl.pri-mx.eu0103.smtproutes.com2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 23:05:26
○ 2020-03-14 18:11:24
○ 2026-03-28 06:29:40
●A178.20.253.92026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 20:17:08
● 2026-03-28 06:29:40
○A198.185.159.1442015-07-03 → 2020-03-14 · 4 obs
● 2020-03-14 18:11:24
○ 2026-03-26 20:17:08
○ 2026-03-28 06:29:40
○A198.185.159.1452015-07-03 → 2020-03-14 · 4 obs
● 2020-03-14 18:11:24
○ 2026-03-26 20:17:08
○ 2026-03-28 06:29:40
○A198.49.23.1442015-07-03 → 2020-03-14 · 4 obs
● 2020-03-14 18:11:24
○ 2026-03-26 20:17:08
○ 2026-03-28 06:29:40
○A198.49.23.1452015-07-03 → 2020-03-14 · 4 obs
● 2020-03-14 18:11:24
○ 2026-03-26 20:17:08
○ 2026-03-28 06:29:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| optimalcare.nl | ns4.dn-s.nl, ns2.dn-s.nl, ns1.dn-s.nl, ns3.dn-s.nl | - |
✅ Authoritative Response
Server:185.220.172.14
NS records: ns4.dn-s.nl, ns2.dn-s.nl, ns1.dn-s.nl, ns3.dn-s.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 722ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.20.253.9 |
| NS | 4 | ns3.dn-s.nl, ns2.dn-s.nl... |
| MX | 1 | optimalcare-nl.mail.protection.outlook.c |
| TXT | 2 | MS=ms51629327, v=spf1 mx a ip4:91.205.35.248 ip4:178.20 |
| SOA | 1 | ns1.dn-s.nl hostmaster.optimalcare.nl |
Analysis
IP Addresses
optimalcare.nl maps to IP address 178.20.253.9.
Other host names, for instance gebr-koole.com, meerzichtenvanmaanen.com, generations.nl, sunproof.nl and mail.vanillegin.com share IP numbers with optimalcare.nl.
Name Servers
optimalcare.nl is delegated to four name servers: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and ns4.dn-s.nl.
optimalcare.nl at least partially shares name servers with other domains such as adiso.nl, berthadudde.net, oxem.nl, moryaelle.com and telecrane.de.
These name servers are commonly used alongside ns2.dn-s.be, ns3.dn-s.eu and ns4.dn-s.org.
Host names with two IP numbers:
ns1.dn-s.nl points to 2a06:2ec0:1::10 and 185.104.28.19
ns2.dn-s.nl points to 2a03:b0c0:3:d0::116:2001 and 46.101.179.64
ns3.dn-s.nl points to 2a03:b0c0:2:d0::57:1001 and 178.62.208.8
ns4.dn-s.nl points to 2a06:2ec0:1:a::d53 and 185.220.172.14
Mail Servers
optimalcare.nl is handled by a single mail server, optimalcare-nl.mail.protection.outlook.com.
optimalcare-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::d, 52.101.68.8, 52.101.68.16, 52.101.68.36 and 52.101.73.8.