r-squared.nl - robtex.com

r-squared.nl

DNSSEC⚠️ Not signed
A136.243.89.146🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
PTRs33.domeinwinkel.nl
NSken.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A2803:f800:50::6ca2:c17f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRken.ns.cloudflare.com
A2a06:98c1:50::ac40:217f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRken.ns.cloudflare.com
A108.162.193.127🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A172.64.33.127🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A173.245.59.127🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
NSlisa.ns.cloudflare.com
A2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlisa.ns.cloudflare.com
A108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
MXantispamcluster.domeinwinkel.nl ⭐
TXTv=spf1 include:spf.domeinwinkel.nl -all
SOAken.ns.cloudflare.comdns@cloudflare.com serial=2402542021

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-05-12 23:30:01 +0000 (EPOCH 1778628601)
SOAns1.dns.nldns@sidn.nl 2026-05-12 #46

Previously MX for

r-squared.nl

Subdomains

mail.r-squared.nl

Same first word

r-squared.nl
r-squared.biz
r-squared.ch
r-squared.ca

Similar names

dr-square.com

DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSken.ns.cloudflare.comlisa.ns.cloudflare.comns1.domeinwinkel.nlns1.robohost.nlns2.domeinwinkel.nlns2.robohost.nlns3.robohost.euMXantispamcluster.domeinwinkel.nlmail.r-squared.nlr-squared.nlA136.243.89.146185.103.173.505.9.18.18884.244.140.40
●NSken.ns.cloudflare.com2026-02-18 → 2026-05-13 · 3 obs
○ 2018-05-27 15:51:30
● 2026-02-18 23:00:56
● 2026-05-13 00:27:56
●NSlisa.ns.cloudflare.com2026-02-18 → 2026-05-13 · 3 obs
○ 2018-05-27 15:51:30
● 2026-02-18 23:00:56
● 2026-05-13 00:27:56
○NSns1.domeinwinkel.nl2015-12-01 → 2018-05-27 · 5 obs
○ 2015-08-07 20:45:40
● 2015-12-01 06:59:20
● 2018-05-27 15:51:30
○ 2026-02-18 23:00:56
○ 2026-05-13 00:27:56
○NSns1.robohost.nl2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 20:45:40
○ 2015-12-01 06:59:20
○ 2026-05-13 00:27:56
○NSns2.domeinwinkel.nl2015-12-01 → 2018-05-27 · 5 obs
○ 2015-08-07 20:45:40
● 2015-12-01 06:59:20
● 2018-05-27 15:51:30
○ 2026-02-18 23:00:56
○ 2026-05-13 00:27:56
○NSns2.robohost.nl2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 20:45:40
○ 2015-12-01 06:59:20
○ 2026-05-13 00:27:56
○NSns3.robohost.eu2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 20:45:40
○ 2015-12-01 06:59:20
○ 2026-05-13 00:27:56
●MXantispamcluster.domeinwinkel.nl2026-02-18 → 2026-05-13 · 3 obs
○ 2018-05-27 15:51:30
● 2026-02-18 23:00:56
● 2026-05-13 00:27:56
○MXmail.r-squared.nl2015-12-01 → 2018-05-27 · 5 obs
○ 2015-08-07 20:45:40
● 2015-12-01 06:59:20
● 2018-05-27 15:51:30
○ 2026-02-18 23:00:56
○ 2026-05-13 00:27:56
○MXr-squared.nl2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 20:45:40
○ 2015-12-01 06:59:20
○ 2026-05-13 00:27:56
●A136.243.89.1462026-02-18 → 2026-05-13 · 3 obs
○ 2018-05-27 15:51:30
● 2026-02-18 23:00:56
● 2026-05-13 00:27:56
○A185.103.173.502016-02-03 → 2018-05-27 · 5 obs
○ 2015-12-01 06:59:20
● 2016-02-03 21:46:20
● 2018-05-27 15:51:30
○ 2026-02-18 23:00:56
○ 2026-05-13 00:27:56
○A5.9.18.1882015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 20:45:40
○ 2015-12-01 06:59:20
○ 2026-05-13 00:27:56
○A84.244.140.402015-12-01 → 2015-12-01 · 4 obs
○ 2015-08-07 20:45:40
● 2015-12-01 06:59:20
○ 2016-02-03 21:46:20
○ 2026-05-13 00:27:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
r-squared.nlken.ns.cloudflare.com, lisa.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.131

NS records: ken.ns.cloudflare.com, lisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for r-squared.nl (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

TypeCountSample Data
A1136.243.89.146
NS2ken.ns.cloudflare.com, lisa.ns.cloudflare.com
MX1antispamcluster.domeinwinkel.nl (pri: 10
TXT1v=spf1 include:spf.domeinwinkel.nl -all
SOA1ken.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

r-squared.nl is the parent of mail.r-squared.nl.

IP Addresses

r-squared.nl resolves to a single IP address: 136.243.89.146.

Other host names including blios.eu, gebrvanhemert.nl, mail.beltrack.nl, rozenbergsprenger.nl and henlo.be share IP numbers with r-squared.nl.

Name Servers

r-squared.nl's delegation uses two name servers, ken.ns.cloudflare.com and lisa.ns.cloudflare.com.

r-squared.nl shares the same name server setup as other domains, for example mystageplan.com, succubus.dk, pleziervaartnederland.nl, puttensteinconsulting.nl and djitaliander.com.

r-squared.nl at least partially shares name servers with other domains, including fuzavo.com, schusterman.org, videodroid.org, focusplay.com.br and xn--7ov.net.

These name servers are commonly used with ns1.colocrossing.com and ns2.colocrossing.com.

Host names with six IP numbers:

ken.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7f, 2803:f800:50::6ca2:c17f, 2a06:98c1:50::ac40:217f, 108.162.193.127, 172.64.33.127 and 173.245.59.127.

lisa.ns.cloudflare.com points to: 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131.

Mail Servers

r-squared.nl is handled by a single mail server, antispamcluster.domeinwinkel.nl.

r-squared.nl shares its mail server setup with other domains, including energieprijs.net, hpen.nl, dienstverleningaanhuis.com, elslabel.nl and displaywinkel.nl.