`corpokoop.nl`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:8ed0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:271b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.27^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.208^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leah.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c081^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2081^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leah.ns.cloudflare.com`
		A	108.162.192.129^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	172.64.32.129^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	173.245.58.129^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
NS	`yew.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c350^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2350^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yew.ns.cloudflare.com`
		A	108.162.195.80^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	162.159.44.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	172.64.35.80^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
MX	`mail.hetwonen.com` ⭐
		A	2a01:7c8:d006:3ae:5054:ff:fe4d:a102^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`mail.hetwonen.com`
		A	85.10.133.186^{🇳🇱 TRANSIP-AS85.10.128.0/19 TransIP BV Amsterdam, The Netherlands}
			PTR	`mail.hetwonen.com`
TXT	`v=spf1 mx include:_spf.transip.email ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.39.27, 172.67.142.208
		IPv6	2606:4700:3030::ac43:8ed0, 2606:4700:3037::6815:271b
SOA	`leah.ns.cloudflare.com`dns@cloudflare.com serial=2399394453

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-30 14:30:01 +0000 (EPOCH 1774881001)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-30 #29

Same first word

corpokoop.nl

DNS History

25 records (7 active, 18 former)

●NSleah.ns.cloudflare.com2026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

○NSns1.anony.nl2015-07-15 → 2018-07-09 · 5 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

○NSns1.flexwebhosting.nl2016-12-30 → 2018-07-09 · 4 obs

○ 2016-04-28 19:51:22
● 2016-12-30 19:09:04
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

○NSns2.anony.nl2015-07-15 → 2018-07-09 · 3 obs

● 2015-07-15 05:18:24
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

○NSns3.anony.eu2015-07-15 → 2018-07-09 · 3 obs

● 2015-07-15 05:18:24
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

●NSyew.ns.cloudflare.com2026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

○MXalt1.aspmx.l.google.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXalt2.aspmx.l.google.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXaspmx.l.google.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXaspmx2.googlemail.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXaspmx3.googlemail.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXaspmx4.googlemail.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXaspmx5.googlemail.com2015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○MXmail.corpokoop.nl2016-12-30 → 2018-07-09 · 4 obs

○ 2016-04-28 19:51:22
● 2016-12-30 19:09:04
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

●MXmail.hetwonen.com2026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

●A104.21.39.272026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

●A172.67.142.2082026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

○A188.114.96.02026-03-30 → 2026-03-30 · 1 obs

○ 2026-03-30 15:41:40

○A188.114.97.02026-03-30 → 2026-03-30 · 1 obs

○ 2026-03-30 15:41:40

●A2606:4700:3030::ac43:8ed02026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

●A2606:4700:3037::6815:271b2026-03-30 → 2026-03-30 · 2 obs

○ 2018-07-09 21:49:00
● 2026-03-30 15:41:40

○A2a06:98c1:3120::2026-03-30 → 2026-03-30 · 1 obs

○ 2026-03-30 15:41:40

○A2a06:98c1:3121::2026-03-30 → 2026-03-30 · 1 obs

○ 2026-03-30 15:41:40

○A46.17.4.1572015-07-15 → 2016-04-28 · 4 obs

● 2015-07-15 05:18:24
● 2016-04-28 19:51:22
○ 2016-12-30 19:09:04
○ 2026-03-30 15:41:40

○A85.92.140.1362016-12-30 → 2018-07-09 · 4 obs

○ 2016-04-28 19:51:22
● 2016-12-30 19:09:04
● 2018-07-09 21:49:00
○ 2026-03-30 15:41:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
corpokoop.nl	yew.ns.cloudflare.com, leah.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.80

NS records: yew.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.39.27, 172.67.142.208`
AAAA	2	`2606:4700:3037::6815:271b, 2606:4700:3030::ac43:8ed0`
NS	2	`leah.ns.cloudflare.com, yew.ns.cloudflare.com`
MX	1	`mail.hetwonen.com (pri: 10)`
TXT	1	`v=spf1 mx include:_spf.transip.email ?al`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leah.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

corpokoop.nl points to four IP numbers: 2606:4700:3030::ac43:8ed0, 2606:4700:3037::6815:271b, 104.21.39.27 and 172.67.142.208.

Other host names, for instance www.1337(0x787878).to, www.almoproav.net, yourdietician.com, sellturkeytrademarket.com and golfbook.se share IP numbers with corpokoop.nl.

Name Servers

corpokoop.nl's delegation is to two name servers leah.ns.cloudflare.com and yew.ns.cloudflare.com.

corpokoop.nl shares the same name server configuration as other domains, such as cite-web.com, reportwebportal.com, hetwonen.com, hummingbirdtravel.co.uk and schubes.com.au.

corpokoop.nl at least partially shares its name servers with other domains, for instance fsbpm.com, familycarelink.cyou, reohelpdesk.com, nineproxy.biz and regionstarmedia.com.

These name servers are commonly used alongside julissa.ns.cloudflare.com and kai.ns.cloudflare.com.

Host names with six IP numbers:

leah.ns.cloudflare.com points to: 2606:4700:50::adf5:3a81, 2803:f800:50::6ca2:c081, 2a06:98c1:50::ac40:2081, 108.162.192.129, 172.64.32.129 and 173.245.58.129.

yew.ns.cloudflare.com points to: 2606:4700:58::a29f:2c50, 2803:f800:50::6ca2:c350, 2a06:98c1:50::ac40:2350, 108.162.195.80, 162.159.44.80 and 172.64.35.80.

Mail Servers

corpokoop.nl is served by a single mail server, mail.hetwonen.com.

corpokoop.nl shares the same mail server setup as hetwonen.nl, corpowonen.nl and hetwonen.com.

Hostname mail.hetwonen.com resolves to two IPs: 2a01:7c8:d006:3ae:5054:ff:fe4d:a102 and 85.10.133.186.

corpokoop.nl - robtex.com

corpokoop.nl

nl

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`corpokoop.nl`

`nl`