bool.nl - dns.ninja

`bool.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.163^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mx10.websupport.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:103^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.cz`
		A	45.13.137.103^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.cz`
MX	`mx20.websupport.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:104^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.cz`
		A	45.13.137.104^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.cz`
TXT	`v=spf1 a mx include:_spf.websupport.cz ?all`
TXT	`spf2.0/pra a mx include:_sid.websupport.cz ?all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1742949064

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-10 02:30:02 +0000 (EPOCH 1786329002)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-10 #5

Same first word

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Similar names

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bolo.at

bolo.xyz

lobo.biz.pl

bolo.mielec.pl

bolo.net

lobo.studio

oblo.xyz

bolo.org.uk

bolo.de

lobo.im

lobo.net

lobo.ag

bolo.nl

oblo.biz

lobo.at

bolo.co.uk

lobo.cx

bloo.cn

bolo.cz

bolo.ae

bloo.dk

oblo.com.au

olbo.cc

lobo.ai

bolo.com.pl

DNS History

20 records (7 active, 13 former)

○NSalfa.ns.active24.cz2016-02-11 → 2020-12-17 · 5 obs

○ 2015-11-17 11:47:16
● 2016-02-11 14:31:10
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

○NSans1.active24.com2015-07-19 → 2015-11-17 · 4 obs

● 2015-07-19 12:59:38
● 2015-11-17 11:47:16
○ 2016-02-11 14:31:10
○ 2026-08-10 03:08:20

○NSans2.active24.com2015-07-19 → 2015-11-17 · 4 obs

● 2015-07-19 12:59:38
● 2015-11-17 11:47:16
○ 2016-02-11 14:31:10
○ 2026-08-10 03:08:20

○NSans3.active24.com2015-07-19 → 2015-11-17 · 4 obs

● 2015-07-19 12:59:38
● 2015-11-17 11:47:16
○ 2016-02-11 14:31:10
○ 2026-08-10 03:08:20

○NSbeta.ns.active24.cz2016-02-11 → 2020-12-17 · 5 obs

○ 2015-11-17 11:47:16
● 2016-02-11 14:31:10
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

○NSgama.ns.active24.sk2016-02-11 → 2020-12-17 · 5 obs

○ 2015-11-17 11:47:16
● 2016-02-11 14:31:10
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

●NSns1.websupport.cz2026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

●NSns2.websupport.cz2026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

●NSns3.websupport.eu2026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

○MXho01-ex01-mail.active24.com2015-07-19 → 2015-11-17 · 4 obs

● 2015-07-19 12:59:38
● 2015-11-17 11:47:16
○ 2016-02-11 14:31:10
○ 2026-08-10 03:08:20

○MXmx1.active24.com2016-02-11 → 2020-12-17 · 5 obs

○ 2015-11-17 11:47:16
● 2016-02-11 14:31:10
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

●MXmx10.websupport.cz2026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

○MXmx2.active24.com2016-02-11 → 2020-12-17 · 5 obs

○ 2015-11-17 11:47:16
● 2016-02-11 14:31:10
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

●MXmx20.websupport.cz2026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

○MXmx4.active24.com2015-07-19 → 2015-11-17 · 4 obs

● 2015-07-19 12:59:38
● 2015-11-17 11:47:16
○ 2016-02-11 14:31:10
○ 2026-08-10 03:08:20

○A213.188.130.1082015-07-19 → 2016-03-23 · 4 obs

● 2015-07-19 12:59:38
● 2016-03-23 16:33:38
○ 2016-07-17 13:01:18
○ 2026-08-10 03:08:20

●A2a00:4b40:aaaa:2005::72026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

○A2a02:4a8:ac24:117::101:112016-07-17 → 2020-12-17 · 5 obs

○ 2016-03-23 16:33:38
● 2016-07-17 13:01:18
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

●A37.9.175.1632026-03-31 → 2026-08-10 · 3 obs

○ 2020-12-17 00:20:06
● 2026-03-31 01:24:02
● 2026-08-10 03:08:20

○A81.95.101.112016-07-17 → 2020-12-17 · 5 obs

○ 2016-03-23 16:33:38
● 2016-07-17 13:01:18
● 2020-12-17 00:20:06
○ 2026-03-31 01:24:02
○ 2026-08-10 03:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
bool.nl	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 459ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.163`
AAAA	1	`2a00:4b40:aaaa:2005::7`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mx10.websupport.cz (pri: 10), mx20.websupport.cz (pri: 100)`
TXT	2	`v=spf1 a mx include:_spf.websupport.cz ?, spf2.0/pra a mx include:_sid.websupport.`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

bool.nl has two IP addresses: 37.9.175.163 and 2a00:4b40:aaaa:2005::7

klamovahut.cz, mail.evidentis.eu, amazake.eu plus two other host names have IP numbers in common with bool.nl.

Name Servers

DNS for bool.nl is handled by three authoritative name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

There is at least partial name server overlap between bool.nl and other domains — ttwelding.com, ezos.cz, inrace.cz and two more among them.

Three hostnames — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu — each have two IP addresses: ns1.websupport.cz has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

bool.nl uses two mail servers, mx10.websupport.cz and mx20.websupport.cz.

The mail server setup of bool.nl matches that of other domains such as familievandongen.net, kocanda-decin.cz, pasos.cz and two others.

Some mail servers of bool.nl are also used by other domains, notably towerpark.cz and idtech.sk.

mx10.websupport.cz directs to 45.13.137.103 and 2a00:4b40:aaaa:2101:45:13:137:103. mx20.websupport.cz directs to 45.13.137.104 and 2a00:4b40:aaaa:2101:45:13:137:104. Each host name carries two IP addresses.