`mail.delftstudy.nl`

DNSSEC	⚠️ Not signed
A	2a06:2ec0:1::89^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
		PTR	`web0089.zxcs.nl`
A	185.104.29.26^{🇳🇱 AS-ZXCS185.104.29.0/24}

`delftstudy.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	2a06:2ec0:1::89^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
	A	185.104.29.26^{🇳🇱 AS-ZXCS185.104.29.0/24}
	NS	`ns.zxcs.nl` ⭐
	NS	`ns.zxcs.be`
	NS	`ns.zxcs.eu`
	MX	`mail.delftstudy.nl` ⭐
	TXT	`v=spf1 a mx ip4:185.104.29.0/24 ip4:185.104.29.26 ip6:2a06:2ec0:1:0:0:0:0:89 ...`
	SOA	`ns.zxcs.nl`hostmaster@delftstudy.nl 2026-02-23 #4

🔒 HSTS Preload (+subdomains)

MX for

delftstudy.nl

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DNS History

4 records (2 active, 2 former)

○A185.10.98.82015-08-20 → 2016-04-23 · 4 obs

● 2015-08-20 19:24:46
● 2016-04-23 12:00:44
○ 2026-04-12 04:23:16
○ 2026-04-12 06:25:10

●A185.104.29.262026-04-12 → 2026-04-12 · 3 obs

○ 2016-04-23 12:00:44
● 2026-04-12 04:23:16
● 2026-04-12 06:25:10

○A2a03:59c0:2::82015-08-20 → 2016-04-23 · 4 obs

● 2015-08-20 19:24:46
● 2016-04-23 12:00:44
○ 2026-04-12 04:23:16
○ 2026-04-12 06:25:10

●A2a06:2ec0:1::892026-04-12 → 2026-04-12 · 3 obs

○ 2016-04-23 12:00:44
● 2026-04-12 04:23:16
● 2026-04-12 06:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
delftstudy.nl	ns.zxcs.eu, ns.zxcs.be, ns.zxcs.nl	-

✅ Authoritative Response

Server:178.62.208.8

NS records: ns.zxcs.eu, ns.zxcs.be, ns.zxcs.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.29.26`
AAAA	1	`2a06:2ec0:1::89`

Analysis

Mail Server Role

mail.delftstudy.nl is the mail server for delftstudy.nl.

IP Addresses

mail.delftstudy.nl resolves to two IP numbers: 2a06:2ec0:1::89 and 185.104.29.26.

other host names including weberlaserservice.nl, zxcs.be.pworks.lu, www.rijschoolwaterland.nl, ritshuis.nl and www.fotomix.nl share IP numbers with mail.delftstudy.nl.

mail.delftstudy.nl - robtex.com