bisko.nl - robtex.com

bisko.nl

DNSSEC⚠️ Not signed
NSns1.oph.nl ⚠️ Not in zone NS records
A2001:9a8:0:10::7
A213.193.210.7
NSns2.oph.nl ⚠️ Not in zone NS records
A2001:9a8:0:11::7
A193.28.152.7
NSns3.oph.nl ⚠️ Not in zone NS records
A2001:9a8:0:12::7
A213.239.136.7

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-20 11:00:01 +0000 (EPOCH 1784545201)
SOAns1.dns.nldns@sidn.nl 2026-07-20 #22

Same first word

Similar names

DNS History

5 records (3 active, 2 former)

20162017201820192020202120222023202420252026NSns1.oph.nlns2.oph.nlns3.oph.nlMXmail.bisko.nlA81.4.93.180
NSns1.oph.nl2015-06-08 → 2026-07-20 · 2 obs
● 2015-06-08 14:09:08
● 2026-07-20 11:52:16
NSns2.oph.nl2015-06-08 → 2026-07-20 · 2 obs
● 2015-06-08 14:09:08
● 2026-07-20 11:52:16
NSns3.oph.nl2015-06-08 → 2026-07-20 · 2 obs
● 2015-06-08 14:09:08
● 2026-07-20 11:52:16
MXmail.bisko.nl2015-06-08 → 2017-07-06 · 4 obs
● 2015-06-08 14:09:08
● 2017-07-06 21:40:42
○ 2026-06-12 11:05:46
○ 2026-07-20 11:52:16
A81.4.93.1802015-06-08 → 2017-07-06 · 4 obs
● 2015-06-08 14:09:08
● 2017-07-06 21:40:42
○ 2026-06-12 11:05:46
○ 2026-07-20 11:52:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
bisko.nlns1.oph.nl, ns2.oph.nl, ns3.oph.nl-

✅ Authoritative Response

Server:213.193.210.7

NS records: ns1.oph.nl, ns2.oph.nl, ns3.oph.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bisko.nl (unsigned zone)

⏱️ Timing

Total: 3265ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

bisko.nl has three name servers — ns1.oph.nl, ns2.oph.nl and ns3.oph.nl.

At least some of bisko.nl's name servers are shared with other domains, for example electuur.nl, suriname.fm, yorplace.com and two more.

Each of ns1.oph.nl, ns2.oph.nl and ns3.oph.nl points to two IP numbers. ns1.oph.nl points to 213.193.210.7 and 2001:9a8:0:10::7. ns2.oph.nl points to 193.28.152.7 and 2001:9a8:0:11::7. ns3.oph.nl points to 213.239.136.7 and 2001:9a8:0:12::7.