`jacobibv.nl`

DNSSEC	⚠️ Not signed
A	87.255.56.173^{🇳🇱 FIBERRING87.255.32.0/19}
		PTR	`forwardurl-dc2.realworks.nl`
NS	`ns1.realworks.nl` ⭐
		A	31.134.205.67^{🇳🇱 A2B31.134.200.0/21 DC1.AMSTEDAM Colo}
			PTR	`ns1.realworks.nl`
NS	`ns2.realworks.nl`
		A	87.255.56.129^{🇳🇱 FIBERRING87.255.32.0/19}
			PTR	`ns2.realworks.nl`
MX	`jacobibv-nl.mail.protection.outlook.com` ⭐
MX	`mx2.damecon.com`⁽²⁰⁾
		A	185.150.159.248^{🇳🇱 CONSCIA-NL-202918185.150.159.0/24}
			PTR	`mx2.damecon.com`
TXT	`MS=ms87190152`
TXT	`MS=ms68626884`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.realworks.nl -all`
SOA	`ns1.realworks.nl`hostmaster@realworks.nl 2022-02-25 #0

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-26 02:00:02 +0000 (EPOCH 1777168802)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-26 #4

Subdomains

mail20.jacobibv.nl

Same first word

jacobibv.nl

DNS History

10 records (5 active, 5 former)

●NSns1.realworks.nl2015-07-11 → 2026-04-26 · 2 obs

● 2015-07-11 22:24:22
● 2026-04-26 02:31:34

●NSns2.realworks.nl2015-07-11 → 2026-04-26 · 2 obs

● 2015-07-11 22:24:22
● 2026-04-26 02:31:34

●MXjacobibv-nl.mail.protection.outlook.com2016-12-30 → 2026-04-26 · 5 obs

○ 2016-06-20 09:14:32
● 2016-12-30 01:09:40
○ 2018-08-25 17:05:12
● 2026-03-29 21:24:20
● 2026-04-26 02:31:34

○MXmail.jacobibv.nl2015-07-11 → 2016-06-20 · 4 obs

● 2015-07-11 22:24:22
● 2016-06-20 09:14:32
○ 2016-12-30 01:09:40
○ 2026-04-26 02:31:34

○MXmail20.jacobibv.nl2015-07-11 → 2016-12-30 · 4 obs

● 2015-07-11 22:24:22
● 2016-12-30 01:09:40
○ 2018-08-25 17:05:12
○ 2026-04-26 02:31:34

○MXmx1.damecon.nl2018-08-25 → 2018-08-25 · 4 obs

○ 2016-12-30 01:09:40
● 2018-08-25 17:05:12
○ 2026-03-29 21:24:20
○ 2026-04-26 02:31:34

●MXmx2.damecon.com2018-08-25 → 2026-04-26 · 3 obs

○ 2016-12-30 01:09:40
● 2018-08-25 17:05:12
● 2026-04-26 02:31:34

○A149.126.72.1442015-07-11 → 2016-12-30 · 4 obs

● 2015-07-11 22:24:22
● 2016-12-30 01:09:40
○ 2018-08-25 17:05:12
○ 2026-04-26 02:31:34

○A194.109.157.672018-08-25 → 2018-08-25 · 4 obs

○ 2016-12-30 01:09:40
● 2018-08-25 17:05:12
○ 2026-03-29 21:24:20
○ 2026-04-26 02:31:34

●A87.255.56.1732026-03-29 → 2026-04-26 · 3 obs

○ 2018-08-25 17:05:12
● 2026-03-29 21:24:20
● 2026-04-26 02:31:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
jacobibv.nl	ns1.realworks.nl, ns2.realworks.nl	2 records

✅ Authoritative Response

Server:31.134.205.67

NS records: ns1.realworks.nl, ns2.realworks.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jacobibv.nl (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.255.56.173`
NS	2	`ns1.realworks.nl, ns2.realworks.nl`
MX	2	`mx2.damecon.com (pri: 20), jacobibv-nl.mail.protection.outlook.com`
TXT	3	`MS=ms87190152, MS=ms68626884...`
SOA	1	`ns1.realworks.nl hostmaster.realworks.nl`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.realworks.nl, ns2.realworks.nl)

Analysis

Hierarchy

mail20.jacobibv.nl is a child of jacobibv.nl.

IP Addresses

jacobibv.nl resolves to one IP number: 87.255.56.173.

Other host names, for instance evinkenpetrovic.nl, iblue.nl, kamphorst-bouw.nl, vwobusiness.nl and mijnmakelaarcoevorden.nl share IP numbers with jacobibv.nl.

Name Servers

jacobibv.nl's delegation uses two name servers: ns1.realworks.nl and ns2.realworks.nl.

jacobibv.nl uses the same name server setup as other domains, such as mtvmakelaardij.nl, wouters.net, homevision.nl, deenmakelaars.nl and vanek.net.

Host names with a single IP address: ns1.realworks.nl points to 31.134.205.67; ns2.realworks.nl points to 87.255.56.129.

Mail Servers

jacobibv.nl is served by two mail servers mx2.damecon.com and jacobibv-nl.mail.protection.outlook.com.

Host names with a single IP number: The host name mx2.damecon.com points to 185.150.159.248.

jacobibv.nl - robtex.com

jacobibv.nl

nl