kolacek.com - robtex.com
kolacek.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 83.172.188.10🇳🇱 NEDZONE-AS83.172.188.0/23 | ||||||
| PTR | ns1.pleskserver20.nl | ||||||
| NS | ns2.pleskserver20.nl ⭐ | ||||||
| A | 2a02:cec0:10:c7::2🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | hosted.by.i-s-e.nl | ||||||
| A | 83.172.188.10🇳🇱 NEDZONE-AS83.172.188.0/23 | ||||||
| PTR | ns1.pleskserver20.nl | ||||||
| A | 83.172.189.10🇳🇱 NEDZONE-AS83.172.188.0/23 | ||||||
| PTR | ns1.supersnel1.net | ||||||
| NS | ns1.pleskserver20.nl | ||||||
| A | 2a02:cec0:10:162::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | ns1.supersnel1.net | ||||||
| A | 83.172.188.10🇳🇱 NEDZONE-AS83.172.188.0/23 | ||||||
| PTR | ns1.pleskserver20.nl | ||||||
| MX | mail.kolacek.com ⭐ | ||||||
| A | 83.172.188.10🇳🇱 NEDZONE-AS83.172.188.0/23 | ||||||
| PTR | ns1.pleskserver20.nl | ||||||
| TXT | v=spf1 mx a ip4:83.172.189.84 ip6:2a02:cec0:10:c7::1 ip4:83.172.138.9 a:mail.... | ||||||
| SOA | ns2.pleskserver20.nlinfo@kolacek.com 2025-01-24 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774403912 | ||||||
Subdomains
mail.kolacek.com |
Same first word
DNS History
10 records (4 active, 6 former)
○NSns1.2be4u-server.eu2020-04-04 → 2020-04-04 · 4 obs
● 2020-04-04 21:52:36
○ 2026-03-12 01:30:16
○ 2026-03-25 02:16:50
○NSns1.2be4u5.com2015-06-06 → 2017-01-05 · 4 obs
● 2017-01-05 06:50:42
○ 2020-04-04 21:52:36
○ 2026-03-25 02:16:50
●NSns1.pleskserver20.nl2026-03-12 → 2026-03-25 · 3 obs
● 2026-03-12 01:30:16
● 2026-03-25 02:16:50
○NSns2.2be4u-server.eu2020-04-04 → 2020-04-04 · 4 obs
● 2020-04-04 21:52:36
○ 2026-03-12 01:30:16
○ 2026-03-25 02:16:50
○NSns2.2be4u5.com2015-06-06 → 2017-01-05 · 4 obs
● 2017-01-05 06:50:42
○ 2020-04-04 21:52:36
○ 2026-03-25 02:16:50
●NSns2.pleskserver20.nl2026-03-12 → 2026-03-25 · 3 obs
● 2026-03-12 01:30:16
● 2026-03-25 02:16:50
●MXmail.kolacek.com2015-06-06 → 2026-03-25 · 2 obs
● 2026-03-25 02:16:50
○A83.172.131.462020-04-04 → 2020-04-04 · 4 obs
● 2020-04-04 21:52:36
○ 2026-03-12 01:30:16
○ 2026-03-25 02:16:50
○A83.172.140.112015-06-06 → 2017-01-05 · 4 obs
● 2017-01-05 06:50:42
○ 2020-04-04 21:52:36
○ 2026-03-25 02:16:50
●A83.172.188.102026-03-12 → 2026-03-25 · 3 obs
● 2026-03-12 01:30:16
● 2026-03-25 02:16:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| kolacek.com | ns1.pleskserver20.nl, ns2.pleskserver20.nl | - |
✅ Authoritative Response
Server:83.172.188.10
NS records: ns1.pleskserver20.nl, ns2.pleskserver20.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kolacek.com (unsigned zone)
⏱️ Timing
Total: 2167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.172.188.10 |
| NS | 2 | ns1.pleskserver20.nl, ns2.pleskserver20.nl |
| MX | 1 | mail.kolacek.com (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:83.172.189.84 ip6:2a02:c |
| SOA | 1 | ns2.pleskserver20.nl info.kolacek.com |
Analysis
Hierarchy
mail.kolacek.com is a child of kolacek.com.
IP Addresses
kolacek.com resolves to one IP number: 83.172.188.10.
Other host names, for instance mail.dentalarts.nl, mail.resiliencecompany.com, jeugdhulp.nl, marianterpstra.nl and mail.ellymes.nl share IP numbers with kolacek.com.
Name Servers
kolacek.com's delegation uses two name servers: ns1.pleskserver20.nl and ns2.pleskserver20.nl.
kolacek.com uses the same name server setup as other domains, such as renaulttrucksfinance.nl, sideshow.nl, mini-movies.nl, vdfc.nl and bytology-dns.nl.
kolacek.com at least partially shares name servers with other domains, including pleskserver4.nl, fairlinecenter.com, pleskserver20.nl, tibaonline.nl and pepingenvoorzelfstandigen.be.
These name servers are commonly used with ns1.supersnel1.net, ns2.supersnel1.net, ns1.pleskserver12.nl, ns2.pleskserver12.nl, ns1.pleskserver9.nl, ns2.pleskserver9.nl, ns1.pleskserver4.nl and ns2.pleskserver4.nl.
Three IP numbers for ns2.pleskserver20.nl: 2a02:cec0:10:c7::2, 83.172.188.10 and 83.172.189.10
Two IP numbers for ns1.pleskserver20.nl: 2a02:cec0:10:162::1 and 83.172.188.10
Hosts that point to 83.172.188.10: ns2.pleskserver20.nl and ns1.pleskserver20.nl
Mail Servers
A single mail server handles kolacek.com, mail.kolacek.com.
Host name mail.kolacek.com resolves to a single IP: 83.172.188.10.