`coreadministration.nl`

DNSSEC	⚠️ Not signed
A	185.21.240.30^{🇳🇱 CLDIN-NL185.21.240.0/22}
		PTR	`reserved.ips.nl`
NS	`ns1.savvii.nl` ⭐
		A	2001:1460:3:5:1c00:91ff:fe00:2538^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`ns1.savvii.nl`
		A	62.221.192.231^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`ns1.savvii.nl`
NS	`ns2.savvii.eu`
		A	2001:1460:2:2:1c00:68ff:fe00:2bde^{🇳🇱 CLDIN-NL2001:1460::/32}
		A	62.221.197.30^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`ns2.savvii.eu`
NS	`ns3.savvii.com`
		A	2a0d:7980:2:100:881:27ff:fe7a:3aed^{🇳🇱 UPCLOUD2a0d:7980:2::/48}
		A	194.107.180.18^{🇳🇱 UPCLOUD194.107.180.0/24}
			PTR	`hosted-by.savvii.com`
MX	`mail.coreadministration.nl` ⭐
		A	185.21.240.30^{🇳🇱 CLDIN-NL185.21.240.0/22}
			PTR	`reserved.ips.nl`
TXT	`v=spf1 include:_spf.ips.nl a:mail.coreadministration.nl ~all`
SOA	`ns1.savvii.nl`info@savvii.com 2026-03-26 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-28 11:00:01 +0000 (EPOCH 1774695601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-28 #22

Subdomains

mail.coreadministration.nl

Same first word

coreadministration.nl

DNS History

11 records (5 active, 6 former)

○NSns-126.awsdns-15.com2015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

○NSns-1448.awsdns-53.org2015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

○NSns-1879.awsdns-42.co.uk2015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

○NSns-730.awsdns-27.net2015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

●NSns1.savvii.nl2026-03-17 → 2026-03-28 · 3 obs

○ 2016-06-19 15:59:22
● 2026-03-17 20:40:32
● 2026-03-28 11:36:12

●NSns2.savvii.eu2026-03-17 → 2026-03-28 · 3 obs

○ 2016-06-19 15:59:22
● 2026-03-17 20:40:32
● 2026-03-28 11:36:12

●NSns3.savvii.com2026-03-17 → 2026-03-28 · 3 obs

○ 2016-06-19 15:59:22
● 2026-03-17 20:40:32
● 2026-03-28 11:36:12

○MXas1.globalsites.nl2015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

●MXmail.coreadministration.nl2015-07-24 → 2026-03-28 · 2 obs

● 2015-07-24 21:29:54
● 2026-03-28 11:36:12

●A185.21.240.302026-03-17 → 2026-03-28 · 3 obs

○ 2016-06-19 15:59:22
● 2026-03-17 20:40:32
● 2026-03-28 11:36:12

○A83.96.179.302015-07-24 → 2016-06-19 · 4 obs

● 2015-07-24 21:29:54
● 2016-06-19 15:59:22
○ 2026-03-17 20:40:32
○ 2026-03-28 11:36:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
coreadministration.nl	ns1.savvii.nl, ns2.savvii.eu, ns3.savvii.com	-

✅ Authoritative Response

Server:62.221.192.231

NS records: ns1.savvii.nl, ns2.savvii.eu, ns3.savvii.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreadministration.nl (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.240.30`
NS	3	`ns1.savvii.nl, ns2.savvii.eu...`
MX	1	`mail.coreadministration.nl (pri: 10)`
TXT	1	`v=spf1 include:_spf.ips.nl a:mail.coread`
SOA	1	`ns1.savvii.nl info.savvii.com`

Analysis

Hierarchy

mail.coreadministration.nl is a child of coreadministration.nl.

IP Addresses

coreadministration.nl resolves to one IP number: 185.21.240.30.

Other host names, for instance bosplant.com, mx1.ficusforever.nl, gemaq.eu, laurametals.com and colourgrass.eu share IP numbers with coreadministration.nl.

Name Servers

coreadministration.nl is delegated to three name servers: ns3.savvii.com, ns2.savvii.eu and ns1.savvii.nl.

coreadministration.nl at least partially shares name servers with other domains, including femon.nl, olieslim.eu, spirutein.de, nicivangalen.com and teslafari.com.

Host names with two IP numbers:

ns3.savvii.com: 2a0d:7980:2:100:881:27ff:fe7a:3aed and 194.107.180.18

ns2.savvii.eu: 2001:1460:2:2:1c00:68ff:fe00:2bde and 62.221.197.30

ns1.savvii.nl: 2001:1460:3:5:1c00:91ff:fe00:2538 and 62.221.192.231

Mail Servers

A single mail server handles coreadministration.nl, mail.coreadministration.nl.

Host name mail.coreadministration.nl resolves to a single IP: 185.21.240.30.

coreadministration.nl - robtex.com