`fallback.block030.nl`

DNSSEC	⚠️ Not signed
A	87.233.68.50^{🇳🇱 TrueServer-AS87.233.64.0/18 True TeleCity2 (AMS1) netblock}
		PTR	`backup01.stoneart.nl`

`block030.nl`

	DNSSEC	⚠️ Not signed
	A	87.233.143.234^{🇳🇱 TrueServer-AS87.233.128.0/18 True GlobalVoice (AMS7) netblock}
	NS	`auth01.dns.trueserver.nl` ⭐
	NS	`auth02.dns.trueserver.nl`
	NS	`auth03.dns.trueserver.nl`
	MX	`mail.block030.nl` ⭐
	MX	`fallback.block030.nl`⁽²⁰⁾
	TXT	`v=spf1 a mx include:spf.mandrillapp.com include:s3.acems1.com ?all`
	SOA	`auth01.dns.trueserver.nl`hostmaster@trueserver.nl 2018-01-08 #77

MX for

block030.nl

Same first word

fallback.zone

fallback.be

fallback.nl

fallback.net

fallback.info

fallback.mx

fallback.fr

fallback.at

fallback.org

fallback.biz

fallback.com

fallback.io

fallback.ru

fallback.de

fallback.ca

fallback.it

DNS History

1 record (1 active, 0 former)

●A87.233.68.502018-08-14 → 2026-03-26 · 2 obs

● 2018-08-14 01:14:58
● 2026-03-26 21:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
block030.nl	auth01.dns.trueserver.nl, auth02.dns.trueserver.nl, auth03.dns.trueserver.nl	6 records

✅ Authoritative Response

Server:193.28.152.2

NS records: auth01.dns.trueserver.nl, auth02.dns.trueserver.nl, auth03.dns.trueserver.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for block030.nl (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.233.68.50`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (auth01.dns.trueserver.nl, auth01.dns.trueserver.nl, auth02.dns.trueserver.nl...)

Analysis

Mail Server Role

fallback.block030.nl is the mail server for block030.nl.

mail.block030.nl is a common mail server alongside fallback.block030.nl.

IP Addresses

fallback.block030.nl points to a single IP number: 87.233.68.50.

other host names for instance fallback.janhendrikdolsma.nl, fallback.stoneinternet.nl, fallback.noordelijkerealisten.nl, fallback.waddenschilder.nl and fallback.topperinbeeld.com share IP numbers with fallback.block030.nl.

fallback.block030.nl - robtex.com