`mail.redback.nl`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:1c17:fa73::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	142.132.181.81^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}

`redback.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:c014:b2d8::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	88.198.116.121^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
	NS	`ns1.dovendi.nl` ⭐
	NS	`ns2.dovendi.eu`
	NS	`ns3.dovendi.eu`
	MX	`mailx.xnsregistrar.com` ⭐
	TXT	`dan-ownership-verification=2de7dbe2`
	TXT	`c604ce15b99eb0dfb8d78cf6ae04008d34e61ed6`
	TXT	`v=spf1 -all`
	TXT	`afternic-verification-8jDbcERHhqPtecPbFcqVib`
	SOA	`ns1.dovendi.nl`info@dovendi.com 2026-07-04 #5

Previously MX for

redback.nl

Same first word

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mail.read-books.org

mail.ilovecollege.info

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mail.net.mk

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DNS History

4 records (2 active, 2 former)

●A142.132.181.812026-08-06 → 2026-08-06 · 2 obs

○ 2016-07-08 07:02:32
● 2026-08-06 01:08:30

●A2a01:4f8:1c17:fa73::12026-08-06 → 2026-08-06 · 2 obs

○ 2016-07-08 07:02:32
● 2026-08-06 01:08:30

○A84.241.177.1322015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 23:04:50
○ 2015-11-26 21:20:32
○ 2026-08-06 01:08:30

○A91.195.240.922016-03-04 → 2016-07-08 · 4 obs

○ 2015-11-26 21:20:32
● 2016-03-04 06:44:10
● 2016-07-08 07:02:32
○ 2026-08-06 01:08:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
redback.nl	ns1.dovendi.nl, ns2.dovendi.eu, ns3.dovendi.eu	-

✅ Authoritative Response

Server:91.107.180.97

NS records: ns1.dovendi.nl, ns2.dovendi.eu, ns3.dovendi.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.132.181.81`
AAAA	1	`2a01:4f8:1c17:fa73::1`

Analysis

IP Addresses

mail.redback.nl directs to two IP numbers, 142.132.181.81 and 2a01:4f8:1c17:fa73::1

Additional host names — mailserver.independentmedical.co.uk, mx.qpu.nl, mail.plexo.nl and two others — share IP numbers with mail.redback.nl.

mail.redback.nl - robtex.com

mail.redback.nl

redback.nl