caitech.nl - robtex.com
caitech.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.132.182.100🇳🇱 TNF-AS213.132.176.0/20 VODAFONE_ZIGGO | ||||||
| PTR | d584b664.static.ziggozakelijk.nl | ||||||
| NS | ns1.upc.biz ⭐ | ||||||
| A | 2001:730:3e12::133🇳🇱 LibertyGlobal2001:730::/29 LGI-UPC backbone | ||||||
| PTR | ns1.upc.biz | ||||||
| A | 195.34.133.133🇦🇹 LibertyGlobal195.34.132.0/22 LGS | ||||||
| PTR | ns1.upc.biz | ||||||
| NS | ns2.upc.biz | ||||||
| A | 2001:730:3e12:1000::133🇳🇱 LibertyGlobal2001:730::/29 LGI-UPC backbone | ||||||
| PTR | ns2.upc.biz | ||||||
| A | 213.47.222.133🇳🇱 LibertyGlobal213.47.220.0/22 LGS | ||||||
| PTR | ns2.upc.biz | ||||||
| SOA | ns1.upc.bizhostmaster@chello.at 2018-10-31 #7 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-06-17 09:00:01 +0000 (EPOCH 1781686801) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-06-17 #18 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
○NSns1.multikabel.nl2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-20 22:42:44
○ 2026-06-17 10:07:20
●NSns1.upc.biz2026-04-10 → 2026-06-17 · 3 obs
● 2026-04-10 12:15:36
● 2026-06-17 10:07:20
○NSns2.multikabel.nl2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-20 22:42:44
○ 2026-06-17 10:07:20
●NSns2.upc.biz2026-04-10 → 2026-06-17 · 3 obs
● 2026-04-10 12:15:36
● 2026-06-17 10:07:20
○NSns3.atwork.nl2015-12-20 → 2017-05-02 · 5 obs
● 2015-12-20 22:42:44
● 2017-05-02 15:51:48
○ 2026-04-10 12:15:36
○ 2026-06-17 10:07:20
○NSns5.atwork.nl2015-12-20 → 2017-05-02 · 5 obs
● 2015-12-20 22:42:44
● 2017-05-02 15:51:48
○ 2026-04-10 12:15:36
○ 2026-06-17 10:07:20
○MXmx1.multikabel.nl2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-20 22:42:44
○ 2026-06-17 10:07:20
○MXmx2.multikabel.nl2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-20 22:42:44
○ 2026-06-17 10:07:20
●A213.132.182.1002026-04-10 → 2026-06-17 · 3 obs
● 2026-04-10 12:15:36
● 2026-06-17 10:07:20
○A213.132.182.212015-08-16 → 2017-05-02 · 4 obs
● 2017-05-02 15:51:48
○ 2026-04-10 12:15:36
○ 2026-06-17 10:07:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| caitech.nl | ns2.upc.biz, ns1.upc.biz | - |
✅ Authoritative Response
Server:213.47.222.133
NS records: ns2.upc.biz, ns1.upc.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for caitech.nl (unsigned zone)
⏱️ Timing
Total: 668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.132.182.100 |
| NS | 2 | ns1.upc.biz, ns2.upc.biz |
| SOA | 1 | ns1.upc.biz hostmaster.chello.at |
Analysis
IP Addresses
caitech.nl directs to one IP number, which is 213.132.182.100.
Further host names like cabletv.nl and d584b664.static.ziggozakelijk.nl overlap in IP numbers with caitech.nl.
Name Servers
DNS delegation for caitech.nl points to two name servers: ns1.upc.biz and ns2.upc.biz.
caitech.nl has the same name server delegation as a number of other domains, such as 229.151.31.in-addr.arpa, ziggotv.biz, 166.250.80.83.in-addr.arpa and two more.
There is at least partial name server overlap between caitech.nl and other domains — kabelwest.com, tor2-gd-tu3.net.aster.pl, upcnet.ch and two more among them.
The name servers ns3.upc.biz, ns1.cablecom.net and ns2.cablecom.net are often found in combination with these name servers.
ns1.upc.biz directs to 195.34.133.133 and 2001:730:3e12::133. ns2.upc.biz directs to 213.47.222.133 and 2001:730:3e12:1000::133. Each host name carries two IP addresses.