cooltech.nl - robtex.com
cooltech.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:7b8:3:32:213:136:0:188🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| PTR | idprof.colo.bit.nl | ||||||
| A | 213.136.0.188🇳🇱 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 | ||||||
| MX | mail.wido.info ⭐ | ||||||
| A | 2001:7b8:63a:1002:213:154:230:102🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands | ||||||
| A | 213.154.230.102🇳🇱 NL-BIT213.154.224.0/19 BIT B.V. | ||||||
| PTR | fbti.abuse.io | ||||||
| TXT | ID Prof BV (38138) | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | nsauth1.bit.nlhostmaster@bit.nl 2019-09-30 #11 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-07 10:00:02 +0000 (EPOCH 1783418402) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-07 #20 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
○NSnsauth3.bit.org2015-07-06 → 2026-06-09 · 3 obs
● 2026-06-09 21:01:58
○ 2026-07-07 10:53:38
●A2001:7b8:3:32:213:136:0:1882017-01-03 → 2026-07-07 · 3 obs
● 2017-01-03 03:46:22
● 2026-07-07 10:53:38
●A213.136.0.1882015-07-06 → 2026-07-07 · 2 obs
● 2026-07-07 10:53:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns1.dns.nl, ns3.dns.nl | - |
| cooltech.nl | nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu | 4 records |
✅ Authoritative Response
Server:85.17.15.88
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: 3388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.136.0.188 |
| AAAA | 1 | 2001:7b8:3:32:213:136:0:188 |
| NS | 3 | nsauth1.bit.nl, nsauth2.bit.nl... |
| MX | 1 | mail.wido.info (pri: 100) |
| TXT | 2 | ID Prof BV (38138), v=spf1 -all |
| 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
cooltech.nl resolves to the IP addresses 213.136.0.188 and 2001:7b8:3:32:213:136:0:188
Two other host names, along with parareirse.com, louts.nl and servetring.nl, also share IP numbers with cooltech.nl.
Name Servers
cooltech.nl is delegated to three name servers: nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl.
cooltech.nl has at least partial name server overlap with other domains, such as handle.nl, (0x787878)teen.nl, handelsgroep.nl and two others.
It is common to find these name servers paired with the name servers nsauth3.bit.org.
nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl each resolve to two IP addresses: nsauth3.bitnl.eu resolves to 85.17.15.88 and 2001:1af8:4700:a119:16:0:8517:1588; nsauth1.bit.nl resolves to 213.136.12.51 and 2001:7b8:3:2c::53; nsauth2.bit.nl resolves to 213.136.12.59 and 2001:7b8:3:2d::53.
Mail Servers
The sole mail server for cooltech.nl is mail.wido.info.
Among the domains sharing a mail server setup with cooltech.nl are duimen.be, maye.nl, infante.nl and two others.
mail.wido.info has two IP addresses: 213.154.230.102 and 2001:7b8:63a:1002:213:154:230:102.