`concrete-forensics.eu`

DNSSEC	⚠️ Not signed
A	62.84.242.136^{🇳🇱 CLDIN-NL62.84.240.0/21}
		PTR	`dnsurlforward.flexwebhosting.nl`
NS	`ns1.flexwebhosting.nl` ⭐
		A	2a02:2968:2::10^{🇳🇱 CLDIN-NL2a02:2968::/29}
		A	62.84.243.10^{🇳🇱 CLDIN-NL62.84.240.0/21}
			PTR	`ns1.flexwebhosting.nl`
NS	`ns2.flexwebhosting.nl`
		A	2a02:2968:2:5::30^{🇳🇱 CLDIN-NL2a02:2968::/29}
		A	185.27.140.33^{🇳🇱 CLDIN-NL185.27.140.0/22}
			PTR	`ns2.flexwebhosting.nl`
NS	`ns3.flexwebhosting.com`
		A	185.231.200.133^{🇳🇱 CLDIN-NL185.231.200.0/22}
			PTR	`ns3.anony.eu`
MX	`mail.concrete-forensics.eu` ⭐
		A	62.84.242.136^{🇳🇱 CLDIN-NL62.84.240.0/21}
			PTR	`dnsurlforward.flexwebhosting.nl`
TXT	`v=spf1 a mx a:spf.flexfilter.nl ~all`
SOA	`ns1.flexwebhosting.nl`hostmaster@concrete-forensics.eu 2012-12-10 #4

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1123259607

Subdomains

mail.concrete-forensics.eu

Same first word

concrete-forensics.eu

concrete-forensics.org

DNS History

6 records (5 active, 1 former)

●NSns1.flexwebhosting.nl2015-08-12 → 2026-04-14 · 2 obs

● 2015-08-12 04:07:46
● 2026-04-14 04:56:58

●NSns2.flexwebhosting.nl2015-08-12 → 2026-04-14 · 2 obs

● 2015-08-12 04:07:46
● 2026-04-14 04:56:58

●NSns3.flexwebhosting.com2015-08-12 → 2026-04-14 · 2 obs

● 2015-08-12 04:07:46
● 2026-04-14 04:56:58

●MXmail.concrete-forensics.eu2015-08-12 → 2026-04-14 · 2 obs

● 2015-08-12 04:07:46
● 2026-04-14 04:56:58

●A62.84.242.1362026-02-21 → 2026-04-14 · 3 obs

○ 2017-08-19 20:13:50
● 2026-02-21 18:40:56
● 2026-04-14 04:56:58

○A85.92.140.1362015-08-12 → 2017-08-19 · 4 obs

● 2015-08-12 04:07:46
● 2017-08-19 20:13:50
○ 2026-02-21 18:40:56
○ 2026-04-14 04:56:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
concrete-forensics.eu	ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com	-

✅ Authoritative Response

Server:185.27.140.33

NS records: ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concrete-forensics.eu (unsigned zone)

⏱️ Timing

Total: 608ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.84.242.136`
NS	3	`ns3.flexwebhosting.com, ns1.flexwebhosting.nl...`
MX	1	`mail.concrete-forensics.eu (pri: 10)`
TXT	1	`v=spf1 a mx a:spf.flexfilter.nl ~all`
SOA	1	`ns1.flexwebhosting.nl hostmaster.concret`

Analysis

Hierarchy

concrete-forensics.eu is parent of mail.concrete-forensics.eu.

IP Addresses

concrete-forensics.eu points to a single IP: 62.84.242.136.

Other host names, for instance open24.be, plex2.valueaddeddeliveries.nl, mail.prestomagazine.com, plex2.webconvenience.be and wildnis.nl share IP numbers with concrete-forensics.eu.

Name Servers

concrete-forensics.eu is delegated to three name servers: ns3.flexwebhosting.com, ns1.flexwebhosting.nl and ns2.flexwebhosting.nl.

concrete-forensics.eu at least partially shares its name servers with other domains, for instance trustacademy.nl, oligoclonics.com, xinjiang.nl, closehorses.com and hondengedragculemborg.nl.

These name servers are commonly used with ns1.anony.nl, ns2.anony.nl and ns3.anony.eu.

Host names with two IP numbers: The host name ns1.flexwebhosting.nl points to 2a02:2968:2::10 and 62.84.243.10; The host name ns2.flexwebhosting.nl points to 2a02:2968:2:5::30 and 185.27.140.33.

Host names with one IP number: The host name ns3.flexwebhosting.com points to 185.231.200.133.

Mail Servers

concrete-forensics.eu is served by a single mail server, mail.concrete-forensics.eu.

mail.concrete-forensics.eu points to IP number 62.84.242.136.

concrete-forensics.eu - robtex.com