flexbrain.nl - dns.ninja

`flexbrain.nl`

DNSSEC	⚠️ Not signed
A	2a00:1e28:3:3759::1^{🇳🇱 NL-BIT2a00:1e28::/32 Exonet IPv6}
		PTR	`webserver01.brainnet.nl`
A	178.22.57.134^{🇳🇱 NL-BIT178.22.56.0/21 Exonet}
NS	`pdns83.ultradns.com` ⭐
		A	2001:502:f3ff::77^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns83.ultradns.com`
		A	156.154.64.83^{🇭🇰 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns83.ultradns.com`
NS	`pdns83.ultradns.biz`
		A	2610:a1:1015::77^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns83.ultradns.biz`
		A	156.154.66.83^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
NS	`pdns83.ultradns.net`
		A	2610:a1:1014::77^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns83.ultradns.net`
		A	156.154.65.83^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns83.ultradns.net`
NS	`pdns83.ultradns.org`
		A	2001:502:4612::77^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns83.ultradns.org`
		A	156.154.67.83^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
MX	`de-smtp-inbound-1.mimecast.com` ⭐
		A	194.104.108.22^{🇩🇪 MIMECAST-DE194.104.108.0/23 -NET-1}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
		A	194.104.110.22^{🇩🇪 MIMECAST-DE194.104.110.0/23 -NET-4}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
TXT	`MS=ms33379108`
TXT	`MS=ms65751315`
TXT	`google-site-verification=24hlR--miN5jo1egM_TVdrY(0x785858)CrzTg9qZa0ZacyBqw`
TXT	`rnIUOATWWTGXS/YhbgH9y53qXWrYzsP+2S/4YkehQJxzymWWM/yD1fmQk3WUiE8mhHp7YPWjZwMna...`
TXT	`v=spf1 ip4:178.22.57.134 ip6:2a00:1e28:3:3759::1a ip4:185.46.193.90/32 includ...`
SOA	`pdns83.ultradns.com`asegura@prounlimited.com 2022-04-15 #13

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-06-29 06:00:02 +0000 (EPOCH 1782712802)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-06-29 #12

Same first word

flexbrain.de

flexbrain.nl

flexbrain.com

Similar names

brainflex.ca

brainflex.de

brainflex.com

DNS History

17 records (7 active, 10 former)

○NSns0.transip.net2015-08-08 → 2020-01-21 · 4 obs

● 2015-08-08 20:30:02
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

○NSns1.transip.nl2015-08-08 → 2020-01-21 · 4 obs

● 2015-08-08 20:30:02
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

○NSns2.transip.eu2015-08-08 → 2020-01-21 · 4 obs

● 2015-08-08 20:30:02
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

●NSpdns83.ultradns.biz2026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

●NSpdns83.ultradns.com2026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

●NSpdns83.ultradns.net2026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

●NSpdns83.ultradns.org2026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

●MXde-smtp-inbound-1.mimecast.com2026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

○MXflexbrain-nl.mail.protection.outlook.com2020-01-21 → 2020-01-21 · 4 obs

○ 2017-03-13 15:58:14
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

○MXmx.brainnet.nl2015-08-08 → 2017-03-13 · 4 obs

● 2015-08-08 20:30:02
● 2017-03-13 15:58:14
○ 2020-01-21 17:04:34
○ 2026-06-29 06:51:46

○MXrelay.transip.nl.flexbrain.nl2015-08-08 → 2017-03-13 · 4 obs

● 2015-08-08 20:30:02
● 2017-03-13 15:58:14
○ 2020-01-21 17:04:34
○ 2026-06-29 06:51:46

●A178.22.57.1342026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

○A178.22.62.1862017-03-13 → 2020-01-21 · 5 obs

○ 2016-07-05 17:54:24
● 2017-03-13 15:58:14
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

○A178.22.62.522015-08-08 → 2016-07-05 · 4 obs

● 2015-08-08 20:30:02
● 2016-07-05 17:54:24
○ 2017-03-13 15:58:14
○ 2026-06-29 06:51:46

○A2a00:1e28:3:2045::12015-08-08 → 2016-07-05 · 4 obs

● 2015-08-08 20:30:02
● 2016-07-05 17:54:24
○ 2017-03-13 15:58:14
○ 2026-06-29 06:51:46

○A2a00:1e28:3:2620::12017-03-13 → 2020-01-21 · 5 obs

○ 2016-07-05 17:54:24
● 2017-03-13 15:58:14
● 2020-01-21 17:04:34
○ 2026-05-19 10:08:38
○ 2026-06-29 06:51:46

●A2a00:1e28:3:3759::12026-05-19 → 2026-06-29 · 3 obs

○ 2020-01-21 17:04:34
● 2026-05-19 10:08:38
● 2026-06-29 06:51:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
flexbrain.nl	pdns83.ultradns.biz, pdns83.ultradns.com, pdns83.ultradns.net, pdns83.ultradns.org	-

✅ Authoritative Response

Server:156.154.65.83

NS records: pdns83.ultradns.biz, pdns83.ultradns.com, pdns83.ultradns.net, pdns83.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flexbrain.nl (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.22.57.134`
AAAA	1	`2a00:1e28:3:3759::1`
NS	4	`pdns83.ultradns.biz, pdns83.ultradns.com...`
MX	1	`de-smtp-inbound-1.mimecast.com (pri: 10)`
TXT	5	`MS=ms33379108, MS=ms65751315...`
SOA	1	`pdns83.ultradns.com asegura.prounlimited`

Analysis

IP Addresses

flexbrain.nl has two IP addresses: 178.22.57.134 and 2a00:1e28:3:3759::1

brainnet.de, brainnet.nl, webserver01.brainnet.nl plus two other host names have IP numbers in common with flexbrain.nl.

Name Servers

Four name servers handle the delegation for flexbrain.nl: pdns83.ultradns.biz, pdns83.ultradns.com, pdns83.ultradns.net and pdns83.ultradns.org.

At least some of flexbrain.nl's name servers are shared with other domains, for example mmjbusinessreport.com, b2bbanqueservicesvaleursmobilieres.com, prounlimitedglobalsolutions.com and two more.

These name servers tend to co-occur with pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 5 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: pdns83.ultradns.biz directs to 156.154.66.83 and 2610:a1:1015::77; pdns83.ultradns.com directs to 156.154.64.83 and 2001:502:f3ff::77; pdns83.ultradns.net directs to 156.154.65.83 and 2610:a1:1014::77; pdns83.ultradns.org directs to 156.154.67.83 and 2001:502:4612::77.

Mail Servers

flexbrain.nl uses one mail server — de-smtp-inbound-1.mimecast.com.

The mail server setup of flexbrain.nl matches that of other domains such as wegmanambulatorium.ch, alulux.co.uk, caen-it.com and two others.

At least some of the mail servers used by flexbrain.nl are shared with other domains: sierraelpaso.com, ktnusa.com, cl.michelin.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers de-smtp-inbound-2.mimecast.com.

de-smtp-inbound-1.mimecast.com directs to two IP numbers, 194.104.108.22 and 194.104.110.22.