ks4.nl - robtex.com
ks4.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 83.137.145.44🇳🇱 DUOCAST-AS83.137.144.0/21 Duocast | ||||||
| PTR | plesk.beheer.nu | ||||||
| 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 | ||||||
| MX | mail.ks4.nl ⭐ | ||||||
| A | 83.137.145.44🇳🇱 DUOCAST-AS83.137.144.0/21 Duocast | ||||||
| PTR | plesk.beheer.nu | ||||||
| MX | fallback.2binbusiness.net(20) | ||||||
| A | 83.137.145.119🇳🇱 DUOCAST-AS83.137.144.0/21 Duocast | ||||||
| PTR | venus.exsilia.net | ||||||
| SOA | ns1.openprovider.nldns@openprovider.eu 2022-12-21 #1 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-07 22:00:01 +0000 (EPOCH 1786140001) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-07 #44 | ||||||
Subdomains
mail.ks4.nl |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSns1.2binbusiness.net2015-07-25 → 2017-03-25 · 4 obs
● 2017-03-25 17:54:20
○ 2026-06-14 15:22:04
○ 2026-08-07 22:30:10
●NSns1.openprovider.nl2026-06-14 → 2026-08-07 · 3 obs
● 2026-06-14 15:22:04
● 2026-08-07 22:30:10
○NSns2.2binbusiness.net2015-07-25 → 2017-03-25 · 4 obs
● 2017-03-25 17:54:20
○ 2026-06-14 15:22:04
○ 2026-08-07 22:30:10
●NSns2.openprovider.be2026-06-14 → 2026-08-07 · 3 obs
● 2026-06-14 15:22:04
● 2026-08-07 22:30:10
●NSns3.openprovider.eu2026-06-14 → 2026-08-07 · 3 obs
● 2026-06-14 15:22:04
● 2026-08-07 22:30:10
●MXfallback.2binbusiness.net2015-07-25 → 2026-08-07 · 4 obs
● 2017-03-25 17:54:20
○ 2026-08-03 05:40:12
● 2026-08-07 22:30:10
●MXmail.ks4.nl2015-07-25 → 2026-08-07 · 4 obs
● 2017-03-25 17:54:20
○ 2026-08-03 05:40:12
● 2026-08-07 22:30:10
●A83.137.145.442026-06-14 → 2026-08-07 · 3 obs
● 2026-06-14 15:22:04
● 2026-08-07 22:30:10
○A83.137.145.772015-07-25 → 2017-03-25 · 4 obs
● 2017-03-25 17:54:20
○ 2026-06-14 15:22:04
○ 2026-08-07 22:30:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| ks4.nl | ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu | - |
✅ Authoritative Response
Server:162.159.27.96
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: 503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.137.145.44 |
| NS | 3 | ns2.openprovider.be, ns1.openprovider.nl... |
| MX | 2 | fallback.2binbusiness.net (pri: 20), mail.ks4.nl (pri: 10) |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
Analysis
Hierarchy
The domain mail.ks4.nl falls under the parent ks4.nl.
IP Addresses
ks4.nl points to a single IP number: 83.137.145.44.
Additional host names such as mail.ks4.nl, stats.beheer.nu, mail.vdaa.org and mail.wind-up.eu share IP numbers with ks4.nl.
Name Servers
Three name servers are authoritative for ks4.nl: ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
At least some of ks4.nl's name servers are shared with other domains, for example singleexperience.nl, obigames.com, juridischadvies-info.nl and two more.
ns2.openprovider.be resolves to 162.159.27.96 and 2400:cb00:2049:1::a29f:1b60. ns3.openprovider.eu resolves to 162.159.48.89 and 2400:cb00:2049:1::a29f:3059. ns1.openprovider.nl resolves to 162.159.26.10 and 2400:cb00:2049:1::a29f:1a0a. All three hostnames point to two IP numbers each.
Mail Servers
ks4.nl has two mail servers: fallback.2binbusiness.net and mail.ks4.nl.
ks4.nl shares mail servers — at least in part — with other domains, including buurs.nl, 2binbusiness.net, wellnesscentra.com and two others.
These mail servers are frequently used alongside the mail servers mail.buurs.nl, mail.2binbusiness.net and mail.wellnesscentra.com, plus two others.
Each of fallback.2binbusiness.net and mail.ks4.nl has one IP address: fallback.2binbusiness.net uses 83.137.145.119 and mail.ks4.nl uses 83.137.145.44.