biosuper.nl - robtex.com
biosuper.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-06 23:30:01 +0000 (EPOCH 1786059001) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-06 #47 | ||||||
Same first word
Similar names
DNS History
12 records (9 active, 3 former)
○NSns1.bluedns.nl2015-08-06 → 2020-03-20 · 4 obs
● 2020-03-20 19:46:02
○ 2026-06-10 03:09:36
○ 2026-08-07 00:42:24
●NSns1.xel.nl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 03:09:36
● 2026-08-07 00:42:24
●NSns2.xel.nl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 03:09:36
● 2026-08-07 00:42:24
●NSns3.xel.nl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 03:09:36
● 2026-08-07 00:42:24
○NSns4.bluedns.nl2015-08-06 → 2020-03-20 · 4 obs
● 2020-03-20 19:46:02
○ 2026-06-10 03:09:36
○ 2026-08-07 00:42:24
●A2001:7b8:620:1::d59a:e2232026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 03:09:36
● 2026-08-07 00:42:24
●A213.154.226.352026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 03:09:36
● 2026-08-07 00:42:24
○A213.196.1.1922015-08-06 → 2020-03-20 · 4 obs
● 2020-03-20 19:46:02
○ 2026-06-10 03:09:36
○ 2026-08-07 00:42:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns1.dns.nl, ns3.dns.nl | - |
| biosuper.nl | ns1.xel.nl, ns2.xel.nl, ns3.xel.nl | 6 records |
✅ Authoritative Response
Server:78.46.142.112
NS records: ns1.xel.nl, ns2.xel.nl, ns3.xel.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 533ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.154.226.35 |
| AAAA | 1 | 2001:7b8:620:1::d59a:e223 |
| NS | 3 | ns2.xel.nl, ns3.xel.nl... |
| MX | 4 | mx11.xel.nl (pri: 10), mx1.xel.nl (pri: 10)... |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns1.xel.nl hostmaster.biosuper.nl |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.xel.nl, ns1.xel.nl, ns2.xel.nl...)
Analysis
IP Addresses
biosuper.nl directs to two IP numbers, 213.154.226.35 and 2001:7b8:620:1::d59a:e223
Two other host names, along with hostmaster.liberta.us, marva.nl and petrus.world, also share IP numbers with biosuper.nl.
Name Servers
Three name servers are authoritative for biosuper.nl: ns1.xel.nl, ns2.xel.nl and ns3.xel.nl.
biosuper.nl partially shares its NS delegation with several other domains, including kassakraker.com, solarribs.com, worx.nl and two others.
ns1.xel.nl resolves to 213.154.226.10 and 2001:7b8:620:1::d59a:e20a. ns2.xel.nl resolves to 213.154.226.20 and 2001:7b8:620:1::d59a:e214. ns3.xel.nl resolves to 78.46.142.112 and 2a01:4f8:190:610e::2. All three hostnames point to two IP numbers each.
Mail Servers
Four mail servers handle email for biosuper.nl: mx11.xel.nl, mx1.xel.nl, mx2.xel.nl and mx3.xel.nl.
There is at least a partial MX overlap between biosuper.nl and other domains, including ataturkeserleri.nl, zoutenbier.net, eijsinkmatters.nl and two others.
mx11.xel.nl, mx1.xel.nl, mx2.xel.nl and mx3.xel.nl each carry two IP addresses. mx11.xel.nl has 213.154.226.25 and 2001:7b8:620:1::d59a:e219; mx1.xel.nl has 213.154.226.4 and 2001:7b8:620:1::d59a:e204; mx2.xel.nl has 213.154.226.5 and 2001:7b8:620:1::d59a:e205; mx3.xel.nl has 213.154.226.3 and 2001:7b8:620:1::d59a:e203.