`toolswithbrains.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a01:7c8:aabf:570::1^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
		PTR	`mail1.mailhouserock.com`
A	37.97.155.170^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
NS	`ns1.mailhouserock.com` ⭐
		A	2a01:7c8:aabf:570::1^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`mail1.mailhouserock.com`
		A	37.97.155.170^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`mail1.mailhouserock.com`
NS	`ns2.mailhouserock.com`
		A	2a02:c207:2006:8579::1^{🇩🇪 CONTABO2a02:c207::/32}
			PTR	`mail2.mailhouserock.com`
		A	5.189.140.24^{🇩🇪 CONTABO5.189.128.0/20}
			PTR	`mail2.mailhouserock.com`
MX	`toolswithbrains.nl` ⭐ 🔒
		A	2a01:7c8:aabf:570::1^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`mail1.mailhouserock.com`
		A	37.97.155.170^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`mail1.mailhouserock.com`
TXT	`v=spf1 ip4:37.97.155.170 a mx -all`
SOA	`ns1.mailhouserock.com`mario@mailhouserock.com 2026-04-08 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-05-08 10:00:01 +0000 (EPOCH 1778234401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-05-08 #20

MX for

toolswithbrains.nl

Subdomains

mail.toolswithbrains.nl

Same first word

toolswithbrains.com

toolswithbrains.nl

DNS History

12 records (5 active, 7 former)

●NSns1.mailhouserock.com2016-07-26 → 2026-05-08 · 3 obs

○ 2016-03-22 16:28:18
● 2016-07-26 23:59:54
● 2026-05-08 10:54:32

○NSns1.thednscompany.com2015-08-15 → 2016-03-22 · 4 obs

● 2015-08-15 06:50:00
● 2016-03-22 16:28:18
○ 2016-07-26 23:59:54
○ 2026-05-08 10:54:32

●NSns2.mailhouserock.com2016-07-26 → 2026-05-08 · 3 obs

○ 2016-03-22 16:28:18
● 2016-07-26 23:59:54
● 2026-05-08 10:54:32

○NSns2.thednscompany.com2015-08-15 → 2016-03-22 · 4 obs

● 2015-08-15 06:50:00
● 2016-03-22 16:28:18
○ 2016-07-26 23:59:54
○ 2026-05-08 10:54:32

○NSns3.mailhouserock.com2017-10-04 → 2017-10-04 · 4 obs

○ 2016-07-26 23:59:54
● 2017-10-04 09:33:34
○ 2026-03-12 08:50:36
○ 2026-05-08 10:54:32

○NSns3.thednscompany.com2015-08-15 → 2016-03-22 · 4 obs

● 2015-08-15 06:50:00
● 2016-03-22 16:28:18
○ 2016-07-26 23:59:54
○ 2026-05-08 10:54:32

○MXmail.mailhouserock.com2016-07-26 → 2017-10-04 · 5 obs

○ 2016-03-22 16:28:18
● 2016-07-26 23:59:54
● 2017-10-04 09:33:34
○ 2026-03-12 08:50:36
○ 2026-05-08 10:54:32

○MXmail.toolswithbrains.nl2015-08-15 → 2016-03-22 · 4 obs

● 2015-08-15 06:50:00
● 2016-03-22 16:28:18
○ 2016-07-26 23:59:54
○ 2026-05-08 10:54:32

●MXtoolswithbrains.nl2026-03-12 → 2026-05-08 · 3 obs

○ 2017-10-04 09:33:34
● 2026-03-12 08:50:36
● 2026-05-08 10:54:32

●A2a01:7c8:aabf:570::12026-03-12 → 2026-05-08 · 3 obs

○ 2016-03-22 16:28:18
● 2026-03-12 08:50:36
● 2026-05-08 10:54:32

○A31.3.105.1972015-08-15 → 2015-12-14 · 4 obs

● 2015-08-15 06:50:00
● 2015-12-14 19:24:06
○ 2016-03-22 16:28:18
○ 2026-05-08 10:54:32

●A37.97.155.1702016-03-22 → 2026-05-08 · 3 obs

○ 2015-12-14 19:24:06
● 2016-03-22 16:28:18
● 2026-05-08 10:54:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
toolswithbrains.nl	ns1.mailhouserock.com, ns2.mailhouserock.com	-

✅ Authoritative Response

Server:37.97.155.170

NS records: ns1.mailhouserock.com, ns2.mailhouserock.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 813ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.97.155.170`
AAAA	1	`2a01:7c8:aabf:570::1`
NS	2	`ns2.mailhouserock.com, ns1.mailhouserock.com`
MX	1	`toolswithbrains.nl (pri: 0)`
TXT	1	`v=spf1 ip4:37.97.155.170 a mx -all`
SOA	1	`ns1.mailhouserock.com mario.mailhouseroc`

Analysis

Hierarchy

toolswithbrains.nl is the parent of mail.toolswithbrains.nl.

Mail Server Role

toolswithbrains.nl serves as the mail server for toolswithbrains.nl.

IP Addresses

toolswithbrains.nl points to two IPs: 2a01:7c8:aabf:570::1 and 37.97.155.170.

Other host names including toolswithbrains.com, altijdbalans.nl, machi4you.nl, mail.toolswithbrains.nl and mail.machi4you.nl share IP numbers with toolswithbrains.nl.

Name Servers

toolswithbrains.nl's delegation uses two name servers, ns1.mailhouserock.com and ns2.mailhouserock.com.

toolswithbrains.nl shares the same name server setup as other domains, for example mailhouserock.com, medik8professional.nl, berdinycornielje.nl, toolswithbrains.com and altijdbalans.nl.

toolswithbrains.nl at least partially shares name servers with other domains, including bewerbungsschreiben.pro, appartements-valluela-montafon.at, krauthobel.com, mindfulmontafon.com and apartment-vroni-montafon.at.

These name servers are often used together with ns3.mailhouserock.com.

Host names with two IPs:

ns1.mailhouserock.com points to: 2a01:7c8:aabf:570::1 and 37.97.155.170

ns2.mailhouserock.com points to: 2a02:c207:2006:8579::1 and 5.189.140.24

Mail Servers

A single mail server handles toolswithbrains.nl.

toolswithbrains.nl points to two IPs: 2a01:7c8:aabf:570::1 and 37.97.155.170.

toolswithbrains.nl - robtex.com