cuc.nl - robtex.com
cuc.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:7b8:3:5::80:1🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | http-linux.lb.network.bit.nl | ||||||
| A | 213.136.12.232🇳🇱 NL-BIT213.136.0.0/19 BIT B.V. | ||||||
| NS | nsauth1.bit.nl ⭐ | ||||||
| A | 2001:7b8:3:2c::53🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | nsauth1.bit.nl | ||||||
| A | 213.136.12.51🇳🇱 NL-BIT213.136.0.0/19 BIT B.V. | ||||||
| PTR | nsauth1.bit.nl | ||||||
| NS | nsauth2.bit.nl | ||||||
| A | 2001:7b8:3:2d::53🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | nsauth2.bit.nl | ||||||
| A | 213.136.12.59🇳🇱 NL-BIT213.136.0.0/19 BIT B.V. | ||||||
| PTR | nsauth2.bit.nl | ||||||
| NS | nsauth3.bitnl.eu | ||||||
| A | 2001:1af8:4700:a119:16:0:8517:1588🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| A | 85.17.15.88🇳🇱 LEASEWEB-NL-AMS-0185.17.0.0/16 LEASEWEB | ||||||
| PTR | nsauth3.bit.org | ||||||
| TXT | SCHIV (46009) | ||||||
| SOA | nsauth1.bit.nlhostmaster@bit.nl 2025-01-21 #4 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-27 06:00:02 +0000 (EPOCH 1785132002) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-27 #12 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSnsauth3.bit.org2015-07-09 → 2021-11-23 · 4 obs
● 2021-11-23 04:17:22
○ 2026-07-21 14:23:52
○ 2026-07-27 07:03:18
●NSnsauth3.bitnl.eu2026-07-21 → 2026-07-27 · 3 obs
● 2026-07-21 14:23:52
● 2026-07-27 07:03:18
○MXmx1.bit.nl2015-07-09 → 2021-11-23 · 4 obs
● 2021-11-23 04:17:22
○ 2026-07-21 14:23:52
○ 2026-07-27 07:03:18
○MXmx2.bit.nl2015-07-09 → 2021-11-23 · 4 obs
● 2021-11-23 04:17:22
○ 2026-07-21 14:23:52
○ 2026-07-27 07:03:18
○MXmx3.bit.org2015-07-09 → 2021-11-23 · 4 obs
● 2021-11-23 04:17:22
○ 2026-07-21 14:23:52
○ 2026-07-27 07:03:18
●A2001:7b8:3:5::80:12015-07-09 → 2026-07-27 · 2 obs
● 2026-07-27 07:03:18
●A213.136.12.2322015-07-09 → 2026-07-27 · 2 obs
● 2026-07-27 07:03:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns3.dns.nl, ns1.dns.nl | - |
| cuc.nl | nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu | 4 records |
✅ Authoritative Response
Server:213.136.12.51
NS records: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1831ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.136.12.232 |
| AAAA | 1 | 2001:7b8:3:5::80:1 |
| NS | 3 | nsauth1.bit.nl, nsauth3.bitnl.eu... |
| TXT | 1 | SCHIV (46009) |
| SOA | 1 | nsauth1.bit.nl hostmaster.bit.nl |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (nsauth1.bit.nl, nsauth2.bit.nl, nsauth1.bit.nl...)
Analysis
IP Addresses
cuc.nl points to the IP addresses 213.136.12.232 and 2001:7b8:3:5::80:1
grensloos.eu, meetmaxime.com, sorenco.nl and two other host names share IP numbers with cuc.nl.
Name Servers
cuc.nl is served by three name servers: nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl.
At least some of cuc.nl's name servers are shared with other domains, for example 239.154.213.in-addr.arpa, jarig.info, hospitaldata.eu and two more.
These name servers tend to be used in conjunction with the name servers nsauth3.bit.org.
The hostnames nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl each direct to two IP addresses — nsauth3.bitnl.eu to 85.17.15.88 and 2001:1af8:4700:a119:16:0:8517:1588, nsauth1.bit.nl to 213.136.12.51 and 2001:7b8:3:2c::53, and nsauth2.bit.nl to 213.136.12.59 and 2001:7b8:3:2d::53.