`mail.letstrain.nl`

DNSSEC	⚠️ Not signed
A	2a00:1e28:3:1573::222^{🇳🇱 NL-BIT2a00:1e28::/32 Exonet IPv6}
		PTR	`redirect.exonet.nl`
A	178.22.57.222^{🇳🇱 NL-BIT178.22.56.0/21 Exonet}

`letstrain.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	2a00:1e28:3:1573::222^{🇳🇱 NL-BIT2a00:1e28::/32 Exonet IPv6}
	A	178.22.57.222^{🇳🇱 NL-BIT178.22.56.0/21 Exonet}
	NS	`ns1.exonet.nl` ⭐
	NS	`ns2.exonet.nl`
	NS	`ns3.exonet.eu`
	MX	`mail.letstrain.nl` ⭐
	TXT	`v=spf1 include:_spf.exonet.nl ?all`
	SOA	`ns1.exonet.nl`hostmaster@exonet.nl 2026-05-07 #1

MX for

letstrain.nl

Same first word

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DNS History

4 records (2 active, 2 former)

●A178.22.57.2222026-03-04 → 2026-05-11 · 3 obs

○ 2016-07-14 10:54:16
● 2026-03-04 04:05:56
● 2026-05-11 23:55:12

○A213.193.246.662016-03-13 → 2016-07-14 · 5 obs

○ 2015-11-23 08:59:32
● 2016-03-13 11:06:34
● 2016-07-14 10:54:16
○ 2026-03-04 04:05:56
○ 2026-05-11 23:55:12

●A2a00:1e28:3:1573::2222026-03-04 → 2026-05-11 · 3 obs

○ 2016-07-14 10:54:16
● 2026-03-04 04:05:56
● 2026-05-11 23:55:12

○A90.145.53.2022015-07-14 → 2015-11-23 · 4 obs

● 2015-07-14 23:43:50
● 2015-11-23 08:59:32
○ 2016-03-13 11:06:34
○ 2026-05-11 23:55:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
letstrain.nl	ns1.exonet.nl, ns2.exonet.nl, ns3.exonet.eu	4 records

✅ Authoritative Response

Server:46.19.34.135

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1087ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.22.57.222`
AAAA	1	`2a00:1e28:3:1573::222`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.exonet.nl, ns2.exonet.nl, ns1.exonet.nl...)

Analysis

Mail Server Role

mail.letstrain.nl handles mail for letstrain.nl.

IP Addresses

mail.letstrain.nl points to two IP numbers: 2a00:1e28:3:1573::222 and 178.22.57.222.

Other host names such as mail.hondenverzekeraar.nl, mail.onlineboekhouden.nl, tabletpconline.nl, mail.normecverifavia.com and goud.net share IPs with mail.letstrain.nl.

mail.letstrain.nl - robtex.com