`mailproxy01.exa.nl`

DNSSEC	⚠️ Not signed
A	2a05:b8c0:8000:111a:17::1^{🇳🇱 NL-Exa-AS2a05:b8c0::/29 Exa B.V.}
		PTR	`mailproxy01.exa.nl`
A	185.155.76.28^{🇳🇱 NL-Exa-AS185.155.76.0/22 Exa B.V.}

`exa.nl`

	DNSSEC	⚠️ Not signed
	A	185.155.76.13^{🇳🇱 NL-Exa-AS185.155.76.0/22 Exa B.V.}
	NS	`dns1.exa.nl` ⭐
	NS	`dns2.exa.nl`
	NS	`dns3.exa.nl`
	MX	`mailproxy01.exa.nl` ⭐
	TXT	`v=spf1 include:_spf.exa.nl include:_spf.exa-support.com include:_spf.voipgrid...`
	TXT	`google-site-verification=fTaxusE9Z5nBIqt6gtUduUuCSTXVPhnUF1FY_jDi5ug`
	SOA	`dns1.exa.nl`domainadmin@exa.nl 2026-06-23 #0

📈 Tranco rank: #553,544

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.7.1.0.0.a.1.1.1.0.0.0.8.0.c.8.b.5.0.a.2.ip6.arpa

MX for

exa.nl

faxbox.de

exa-omicron.com

exa-omicron.nl

Previously MX for

hatral.nl

DNS History

2 records (2 active, 0 former)

●A185.155.76.282026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 06:45:20
● 2026-08-04 03:05:32

●A2a05:b8c0:8000:111a:17::12026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 06:45:20
● 2026-08-04 03:05:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
exa.nl	dns1.exa.nl, dns3.exa.nl, dns2.exa.nl	3 records

✅ Authoritative Response

Server:46.249.35.53

NS records: dns1.exa.nl, dns3.exa.nl, dns2.exa.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.155.76.28`
AAAA	1	`2a05:b8c0:8000:111a:17::1`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (dns1.exa.nl, dns2.exa.nl, dns3.exa.nl)

Analysis

Mail Server Role

mailproxy01.exa.nl is an MX server for exa.nl, faxbox.de, exa-omicron.com and exa-omicron.nl.

IP Addresses

mailproxy01.exa.nl resolves to the IP addresses 185.155.76.28 and 2a05:b8c0:8000:111a:17::1

mp01.dtn1.nl.exa.nl, for instance, is one of the other host names sharing IP numbers with mailproxy01.exa.nl.

mailproxy01.exa.nl - robtex.com