`mail.librarydevelopment.nl`

DNSSEC	⚠️ Not signed
A	185.66.249.93^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
		PTR	`6166.pcxda.nl`

`librarydevelopment.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	185.66.249.93^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
	NS	`ns091.auroradns.eu` ⭐
	NS	`ns092.auroradns.nl`
	NS	`ns093.auroradns.info`
	MX	`mail.librarydevelopment.nl` ⭐
	MX	`mx20.pcextreme.nl`⁽²⁰⁾
	TXT	`v=spf1 include:_spf4.pcextreme.nl include:_spf6.pcextreme.nl ~all`
	SOA	`ns091.auroradns.eu`admin@auroradns.eu 2019-01-15 #1

MX for

librarydevelopment.nl

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DNS History

1 record (1 active, 0 former)

●A185.66.249.932015-06-03 → 2026-05-10 · 2 obs

● 2015-06-03 03:17:54
● 2026-05-10 12:35:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns4.dns.nl, ns1.dns.nl	-
librarydevelopment.nl	ns092.auroradns.nl, ns093.auroradns.info, ns091.auroradns.eu	-

✅ Authoritative Response

Server:31.25.98.51

NS records: ns092.auroradns.nl, ns093.auroradns.info, ns091.auroradns.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.66.249.93`

Analysis

Mail Server Role

mail.librarydevelopment.nl acts as a mail server for librarydevelopment.nl.

mx20.pcextreme.nl is commonly used as a mail server in conjunction with mail.librarydevelopment.nl.

IP Addresses

mail.librarydevelopment.nl points to a single IP number: 185.66.249.93.

Other host names, for example 6166.pcxda.nl, librarydevelopment.nl, powdi.nl and mail.powdi.nl share IP numbers with mail.librarydevelopment.nl.

mail.librarydevelopment.nl - robtex.com