`schoolopseef.nl`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3035::6815:45b0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700:3035::ac43:d2fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.21.69.176^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.67.210.253^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`lorna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lorna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lorna.ns.cloudflare.com`
		A	108.162.192.190^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	172.64.32.190^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	173.245.58.190^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
MX	`schoolopseef-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms82439523`
TXT	`google-site-verification=lISmABTL9w5RAO6kCe9d6OjaDCgN5doOVQqjqUuXUyY`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2411426979

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-08 04:00:01 +0000 (EPOCH 1786161601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-08 #8

Same first word

schoolopseef.nl

DNS History

21 records (7 active, 14 former)

●NSdoug.ns.cloudflare.com2026-05-08 → 2026-08-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
● 2026-08-08 05:12:32

●NSlorna.ns.cloudflare.com2026-05-08 → 2026-08-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
● 2026-08-08 05:12:32

○NSns1.openprovider.nl2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○NSns2.openprovider.be2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○NSns3.openprovider.eu2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○MXalt1.aspmx.l.google.com2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○MXalt2.aspmx.l.google.com2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○MXaspmx.l.google.com2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○MXaspmx2.googlemail.com2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○MXaspmx3.googlemail.com2015-07-03 → 2018-01-01 · 4 obs

● 2015-07-03 05:54:12
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

●MXschoolopseef-nl.mail.protection.outlook.com2026-05-08 → 2026-08-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
● 2026-08-08 05:12:32

●A104.21.69.1762026-08-08 → 2026-08-08 · 2 obs

○ 2026-05-08 18:09:26
● 2026-08-08 05:12:32

●A172.67.210.2532026-08-08 → 2026-08-08 · 2 obs

○ 2026-05-08 18:09:26
● 2026-08-08 05:12:32

○A188.114.96.02026-05-08 → 2026-05-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○A188.114.97.02026-05-08 → 2026-05-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

●A2606:4700:3035::6815:45b02026-08-08 → 2026-08-08 · 2 obs

○ 2026-05-08 18:09:26
● 2026-08-08 05:12:32

●A2606:4700:3035::ac43:d2fd2026-08-08 → 2026-08-08 · 2 obs

○ 2026-05-08 18:09:26
● 2026-08-08 05:12:32

○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 3 obs

○ 2018-01-01 00:04:24
● 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○A52.48.95.2002016-12-30 → 2018-01-01 · 5 obs

○ 2016-04-27 04:50:38
● 2016-12-30 10:23:56
● 2018-01-01 00:04:24
○ 2026-05-08 18:09:26
○ 2026-08-08 05:12:32

○A54.247.126.1232015-07-03 → 2016-04-27 · 4 obs

● 2015-07-03 05:54:12
● 2016-04-27 04:50:38
○ 2016-12-30 10:23:56
○ 2026-08-08 05:12:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
schoolopseef.nl	doug.ns.cloudflare.com, lorna.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.190

NS records: doug.ns.cloudflare.com, lorna.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.176, 172.67.210.253`
AAAA	2	`2606:4700:3035::6815:45b0, 2606:4700:3035::ac43:d2fd`
NS	2	`doug.ns.cloudflare.com, lorna.ns.cloudflare.com`
MX	1	`schoolopseef-nl.mail.protection.outlook.`
TXT	3	`MS=ms82439523, google-site-verification=lISmABTL9w5RAO6...`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

schoolopseef.nl directs to four IP numbers, which are 104.21.69.176, 172.67.210.253, 2606:4700:3035::6815:45b0 and 2606:4700:3035::ac43:d2fd.

kazgu.com, play.boabet-358.com, www.sm-club.info and two other host names share IP numbers with schoolopseef.nl.

Name Servers

schoolopseef.nl is delegated to two name servers: doug.ns.cloudflare.com and lorna.ns.cloudflare.com.

schoolopseef.nl uses the same name servers as several other domains — among them digitaldruids.org, sugarridge.ca, omegletv.click and two more.

At least some of schoolopseef.nl's name servers are shared with other domains, for example (0x636f636b)wells.co.uk, lance1416.com, blackjackdc.com and two more.

These name servers tend to be used in conjunction with the name servers chan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

doug.ns.cloudflare.com resolves to 108.162.193.159, 172.64.33.159, 173.245.59.159 and 3 other IP addresses.

lorna.ns.cloudflare.com resolves to 108.162.192.190, 172.64.32.190, 173.245.58.190 and 3 other IP addresses.

Mail Servers

Mail for schoolopseef.nl is handled by a single mail server, schoolopseef-nl.mail.protection.outlook.com.

schoolopseef-nl.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.0, 52.101.68.27, 52.101.73.4 and 5 others.

schoolopseef.nl - robtex.com

schoolopseef.nl

nl

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`schoolopseef.nl`

`nl`