rolfkoot.com - robtex.com
rolfkoot.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.144.243.187🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | srv18.mkcomputershop.nl | ||||||
| NS | ns11.proxycom.nl ⭐ | ||||||
| A | 136.144.243.187🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | srv18.mkcomputershop.nl | ||||||
| NS | ns12.proxycom.nl | ||||||
| A | 85.10.134.9🇳🇱 TRANSIP-AS85.10.128.0/19 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | srv19.mkcomputershop.nl | ||||||
| MX | mail.rolfkoot.com ⭐ | ||||||
| A | 136.144.243.187🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | srv18.mkcomputershop.nl | ||||||
| TXT | v=spf1 a mx ip4:136.144.243.187 include:_spf.google.com ip6:2a01:7c8:d006:5bd... | ||||||
| SOA | ns11.proxycom.nlhostmaster@kootbrillen.nl 2025-09-11 #0 | ||||||
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=1776030947 | ||||||
Subdomains
mail.rolfkoot.com |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSns11.proxycom.nl2026-04-04 → 2026-04-12 · 3 obs
● 2026-04-04 04:38:14
● 2026-04-12 22:10:12
●NSns12.proxycom.nl2026-04-04 → 2026-04-12 · 3 obs
● 2026-04-04 04:38:14
● 2026-04-12 22:10:12
○NSns3.firstfind.nl2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
○NSns4.firstfind.nl2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
○NSns5.firstfind.net2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
●MXmail.rolfkoot.com2026-04-04 → 2026-04-12 · 3 obs
● 2026-04-04 04:38:14
● 2026-04-12 22:10:12
○MXmx1.firstfind.nl2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
○MXmx2.firstfind.nl2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
○MXserver5.starthosting.nl2015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
●A136.144.243.1872026-04-04 → 2026-04-12 · 3 obs
● 2026-04-04 04:38:14
● 2026-04-12 22:10:12
○A93.94.226.2292015-05-19 → 2017-03-26 · 4 obs
● 2017-03-26 09:31:02
○ 2026-04-04 04:38:14
○ 2026-04-12 22:10:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| rolfkoot.com | ns11.proxycom.nl, ns12.proxycom.nl | - |
✅ Authoritative Response
Server:85.10.134.9
NS records: ns11.proxycom.nl, ns12.proxycom.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rolfkoot.com (unsigned zone)
⏱️ Timing
Total: 725ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.144.243.187 |
| NS | 2 | ns11.proxycom.nl, ns12.proxycom.nl |
| MX | 1 | mail.rolfkoot.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:136.144.243.187 include: |
| SOA | 1 | ns11.proxycom.nl hostmaster.kootbrillen. |
Analysis
Hierarchy
The parent of mail.rolfkoot.com is rolfkoot.com.
IP Addresses
rolfkoot.com points to an IP address: 136.144.243.187.
other host names include mail.rolfkoot.nl, www.ginelo.nl, stjandedoper.nl, mail.rolfkoot.com and ns11.proxycom.nl; they share IP numbers with rolfkoot.com.
Name Servers
Two name servers ns11.proxycom.nl and ns12.proxycom.nl handle the delegation for rolfkoot.com.
rolfkoot.com shares the same name server setup as other domains, for instance rolfkoot.nl, rcm-ankertec.nl, fysiotherapievanbruggen.nl, ginelo.nl and arlesienne.nl.
rolfkoot.com shares name servers with other domains at least partially, for example dkoek.nl.
These name servers are commonly used alongside ns2.transip.eu.
Host names with one IP:
ns11.proxycom.nl points to: 136.144.243.187
ns12.proxycom.nl points to: 85.10.134.9
Mail Servers
rolfkoot.com is handled by a single mail server, mail.rolfkoot.com.
The host name mail.rolfkoot.com points to IP 136.144.243.187.