🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firmabolwerk.com`

DNSSEC	🔒 Signed (DS record present)
A	23.236.62.147^{🇺🇸 Google23.236.62.0/24}
		PTR	`147.62.236.23.bc.googleusercontent.com`
NS	`ns1.mijndnsserver.nl` ⭐
		A	2001:1af8:4700:a104:11::^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
			PTR	`ns1.mijndnsserver.nl`
		A	37.48.84.96^{🇳🇱 LEASEWEB-NL-AMS-0137.48.64.0/18 LEASEWEB}
			PTR	`ns1.mijndnsserver.nl`
NS	`ns2.mijndnsserver.nl`
		A	2001:7b8:60c:1:4:100:16e2:1^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`ns2.mijndnsserver.nl`
		A	185.84.140.163^{🇳🇱 NL-BIT185.84.140.0/22 Hosted}
			PTR	`ns2.mijndnsserver.nl`
NS	`ns3.mijndnsserver.eu`
		A	2001:1af8:5300:a005:1::1^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
			PTR	`ns3.mijndnsserver.eu`
		A	89.149.219.85^{🇳🇱 LEASEWEB-NL-AMS-0189.149.192.0/18}
			PTR	`ns3.mijndnsserver.eu`
NS	`ns4.mijndnsserver.net`
		A	2a01:7c8:bb0e:1cf:5054:ff:fee8:a378^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns4.mijndnsserver.net`
		A	85.10.150.90^{🇳🇱 TRANSIP-AS85.10.128.0/19 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns4.mijndnsserver.net`
MX	`firmabolwerk-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
MX	`mail2.firmabolwerk.com`⁽¹⁰⁾
MX	`mail.firmabolwerk.com`⁽²⁰⁾
TXT	`MS=ms32988708`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.mijndnsserver.nl`hostmaster@firmabolwerk.com 2026-08-11 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786836204

Subdomains

mail.firmabolwerk.com

mail2.firmabolwerk.com

Same first word

firmabolwerk.com

DNS History

9 records (8 active, 1 former)

●NSns1.mijndnsserver.nl2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

●NSns2.mijndnsserver.nl2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

●NSns3.mijndnsserver.eu2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

●NSns4.mijndnsserver.net2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

●MXfirmabolwerk-com.mail.protection.outlook.com2026-02-24 → 2026-08-15 · 3 obs

○ 2015-07-10 10:26:42
● 2026-02-24 20:46:16
● 2026-08-15 23:30:38

●MXmail.firmabolwerk.com2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

●MXmail2.firmabolwerk.com2015-07-10 → 2026-08-15 · 2 obs

● 2015-07-10 10:26:42
● 2026-08-15 23:30:38

○A194.33.112.1132015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 10:26:42
○ 2015-11-09 08:30:20
○ 2026-08-15 23:30:38

●A23.236.62.1472015-11-09 → 2026-08-15 · 3 obs

○ 2015-07-10 10:26:42
● 2015-11-09 08:30:20
● 2026-08-15 23:30:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
firmabolwerk.com	ns1.mijndnsserver.nl, ns2.mijndnsserver.nl, ns3.mijndnsserver.eu, ns4.mijndnsserver.net	-

✅ Authoritative Response

Server:37.48.84.96

NS records: ns1.mijndnsserver.nl, ns2.mijndnsserver.nl, ns3.mijndnsserver.eu, ns4.mijndnsserver.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.236.62.147`
NS	4	`ns4.mijndnsserver.net, ns2.mijndnsserver.nl...`
MX	3	`mail2.firmabolwerk.com (pri: 20), firmabolwerk-com.mail.protection.outlook...`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms32988708`
SOA	1	`ns1.mijndnsserver.nl hostmaster.firmabol`

Analysis

Hierarchy

mail.firmabolwerk.com and mail2.firmabolwerk.com each fall under firmabolwerk.com as their parent domain.

IP Addresses

firmabolwerk.com resolves to just one IP address, 23.236.62.147.

Two other host names, along with westgarthstudio.com, earthcube.org and piazzadeicavalli.it, also share IP numbers with firmabolwerk.com.

Name Servers

The NS records for firmabolwerk.com point to four name servers: ns3.mijndnsserver.eu, ns4.mijndnsserver.net, ns1.mijndnsserver.nl and ns2.mijndnsserver.nl.

firmabolwerk.com partially shares its NS delegation with several other domains, including weefdesign.com, winnconsult.com, mati.nu and two others.

ns3.mijndnsserver.eu, ns4.mijndnsserver.net, ns1.mijndnsserver.nl and ns2.mijndnsserver.nl each carry two IP addresses. ns3.mijndnsserver.eu has 89.149.219.85 and 2001:1af8:5300:a005:1::1; ns4.mijndnsserver.net has 85.10.150.90 and 2a01:7c8:bb0e:1cf:5054:ff:fee8:a378; ns1.mijndnsserver.nl has 37.48.84.96 and 2001:1af8:4700:a104:11::; ns2.mijndnsserver.nl has 185.84.140.163 and 2001:7b8:60c:1:4:100:16e2:1.

Mail Servers

firmabolwerk.com uses three mail servers — mail2.firmabolwerk.com, mail.firmabolwerk.com and firmabolwerk-com.mail.protection.outlook.com.

DNS names with 8 IP addresses:

firmabolwerk-com.mail.protection.outlook.com resolves to 52.101.68.3, 52.101.68.21 and 52.101.73.1 among others, with 5 other IP addresses in total.

firmabolwerk.com - robtex.com