`webserver.b4.nl`

DNSSEC	⚠️ Not signed
A	2a06:2ec0:ded1:1:0:3:6559:1^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
		PTR	`webserver.b4.nl`
A	185.104.30.75^{🇳🇱 AS-ZXCS185.104.30.0/24}

`b4.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	2a06:2ec0:ded1:1:0:3:6559:1^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
	A	185.104.30.75^{🇳🇱 AS-ZXCS185.104.30.0/24}
	NS	`ns.zxcs.nl` ⭐
	NS	`ns.zxcs.be`
	NS	`ns.zxcs.eu`
	MX	`mail.b4.nl` ⭐
	TXT	`v=spf1 a mx ip4:185.104.30.75 ip6:2a06:2ec0:ded1:1:0:3:6559:1 ~all`
	SOA	`ns.zxcs.nl`hostmaster@b4.nl 2021-01-01 #0

PTR for

1.0.0.0.9.5.5.6.3.0.0.0.0.0.0.0.1.0.0.0.1.d.e.d.0.c.e.2.6.0.a.2.ip6.arpa

75.30.104.185.in-addr.arpa

Same first word

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Similar names

DNS History

2 records (2 active, 0 former)

●A185.104.30.752026-03-12 → 2026-04-27 · 2 obs

● 2026-03-12 16:55:30
● 2026-04-27 20:20:56

●A2a06:2ec0:ded1:1:0:3:6559:12026-03-12 → 2026-04-27 · 2 obs

● 2026-03-12 16:55:30
● 2026-04-27 20:20:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
b4.nl	ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl	-

✅ Authoritative Response

Server:46.101.179.64

NS records: ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1318ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.30.75`
AAAA	1	`2a06:2ec0:ded1:1:0:3:6559:1`

Analysis

IP Addresses

webserver.b4.nl has two IP numbers: 2a06:2ec0:ded1:1:0:3:6559:1 and 185.104.30.75.

Other host names, for instance 2o2.nl, mail.b4.nl, mail.johanbosmusic.com, systemicsensing.org and kunstnet.tv share IP numbers with webserver.b4.nl.

webserver.b4.nl - robtex.com

webserver.b4.nl

b4.nl