`server100.system4.nl`

	DNSSEC	⚠️ Not signed
	A	2a01:4f9:3080:29cb::2^{🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
	A	65.21.27.51^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}

`system4.nl`

	DNSSEC	⚠️ Not signed
	A	2a01:4f9:3080:29cb::2^{🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
	A	65.21.27.51^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
	NS	`ns1.openprovider.nl` ⭐
	NS	`ns2.openprovider.be`
	NS	`ns3.openprovider.eu`
	MX	`mx.spamexperts.com` ⭐
	MX	`fallbackmx.spamexperts.eu`⁽²⁰⁰⁾
	MX	`lastmx.spamexperts.net`⁽³⁰⁰⁾
	TXT	`v=spf1 a mx ip4:65.21.27.51 ip6:2a01:4f9:3080:29cb::2 include:one.zoho.eu a:m...`
	SOA	`ns1.openprovider.nl`dns@openprovider.eu 2026-03-03 #1

WOT: SAFE (50/100)
WOT: SAFE (35/100)

Same first word

server100.de

server100.net

Similar names

server010.nl

server001.de

100server.com

DNS History

4 records (2 active, 2 former)

○A213.187.240.2092015-06-21 → 2016-09-02 · 4 obs

● 2015-06-21 11:12:52
● 2016-09-02 10:54:20
○ 2026-03-06 04:57:38
○ 2026-03-27 20:55:56

●A2a01:4f9:3080:29cb::22026-03-06 → 2026-03-27 · 3 obs

○ 2016-09-02 10:54:20
● 2026-03-06 04:57:38
● 2026-03-27 20:55:56

●A65.21.27.512026-03-06 → 2026-03-27 · 3 obs

○ 2016-09-02 10:54:20
● 2026-03-06 04:57:38
● 2026-03-27 20:55:56

○A78.41.207.342026-03-06 → 2026-03-27 · 2 obs

○ 2026-03-06 04:57:38
○ 2026-03-27 20:55:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
system4.nl	ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu	-

✅ Authoritative Response

Server:162.159.26.10

NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.21.27.51`
AAAA	1	`2a01:4f9:3080:29cb::2`

Analysis

IP Addresses

server100.system4.nl points to two IP numbers: 2a01:4f9:3080:29cb::2 and 65.21.27.51.

Other host names, for instance static.51.27.21.65.clients.your-server.de, abradio.nl, vps118.system4.nl, mail.bestofguatemala.nl and bestofmexico.nl share IP numbers with server100.system4.nl.

server100.system4.nl - robtex.com