`student.rocva.nl`

DNSSEC	⚠️ Not signed
NS	`ns1.rocva.nl` ⭐ ⚠️ Not in parent delegation
		A	145.100.65.10^{🇳🇱 SURFNET-NL145.100.0.0/15 145.100.0.0/15 aggregate SURFNET-UNO}
			PTR	`ns1.rocva.nl`
NS	`ns1.surfnet.nl` ⚠️ Not in parent delegation
		A	2001:610:1:800a:192:87:106:101^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns1.surfnet.nl`
		A	192.87.106.101^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns1.surfnet.nl`
NS	`ns1.zurich.surf.net` ⚠️ Not in parent delegation
		A	2001:620:0:9::1103^{🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network}
			PTR	`ns1.zurich.surf.net`
		A	195.176.255.9^{🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102}
			PTR	`ns1.zurich.surf.net`
NS	`ns2.surfnet.nl` ⚠️ Not in parent delegation
		A	2001:610:3:200a:192:87:36:2^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns2.surfnet.nl`
		A	192.87.36.2^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns2.surfnet.nl`
NS	`ns3.surfnet.nl` ⚠️ Not in parent delegation
		A	2001:610:0:800c:195:169:124:71^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns3.surfnet.nl`
		A	195.169.124.71^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
MX	`student-rocva-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:145.100.65.12 -all`
SOA	`ns1.rocva.nl`webmaster@talnet.nl serial=23

`rocva.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	145.100.71.142^{🇳🇱 SURFNET-NL145.100.0.0/15 145.100.0.0/15 aggregate SURFNET-UNO}
	NS	`ns1.rocva.nl` ⭐
	NS	`ns1.surfnet.nl`
	NS	`ns1.zurich.surf.net`
	NS	`ns2.surfnet.nl`
	NS	`ns3.surfnet.nl`
	MX	`rocva-nl.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com ip4:145.100.65.12 include:block.roc...`
	TXT	`c(0x787858)CSOcpRV3EoUaD2ndY4FwKVjILyxQvLgKFPf5C1w0f9HS6QJVKCeWtQGorm3U`
	TXT	`bwWBGzgWQYTeNHmUrUIddk3YGfnLjCNcMtauFVyJlUqCbKTrHyNrLdoRLkmYc50E`
	TXT	`MoK5M6zRGKgJh2jHzaBuK8wEMB1Yq0oPs4NUnRCaNSKFbyKzwUNOPQxAZK5deWH0`
	TXT	`HARICA-VpsY2sYQk2s6iMcdcMR`
	TXT	`geGfCErcMfYfGzXu05r1FuEvhC3DYAjWOuiU08VHpJq4uQKLXebk0B0xQIRBfL0B`
	TXT	`WnLhlx1dlb0pgRxrl6ODY671KBMZtwOIr8MgBudSe9tILTrgTCYJ3jsHYygO5OVM`
	TXT	`RMejvpkJtJr3NWS9P5vvbeEevbpQz9tfOjyUEJbImX73rlzOIee5IjWoXDa6yNYi`
	TXT	`Yld4hQKaktnNSIcPFNxXt7gCqfGph4cmgFyj56mKwokoQzSd2FLOpU1pASsxTXwz`
	TXT	`3YkejGSub7i4sXiMtcaFL10OUNsKSy5wBVh8t4HnPCW2LjTkDA3uRyeWMMYcfW2N`
	TXT	`67630MDHkFSlmesIiqeD9VQM6DSQbat9dWr7qYMyCYTjnWkoOqLKkJfaJXSkW7Px`
	SOA	`ns1.rocva.nl`admin@rocva.nl serial=2023159889

rank #143035 globally
rank #6822 in the tld
📈 Tranco rank: #338,448

Same first word

student.edu.az

student.com.ua

student.dog

student.vote

student.taxi

student.boats

student.money

student.claims

student.net

student.fyi

student.vn

student.it

student.ma

student.dk

student.credit

student.doctor

student.co.il

student.hu

student.ca

student.com.cn

student.org

student.works

student.pro

student.hk

student.ro

student.by

student.lu

student.ph

student.app

student.digital

student.pk

student.de.com

student.cn

student.properties

student.care

student.furniture

student.ie

student.com

student.gr

student.nyc.mn

student.si

student.al

student.supply

student.discount

student.ws

student.la

student.ua

student.capital

student.faith

student.org.rs

student.tj

student.pl

student.dental

student.com.au

student.org.il

student.lt

student.center

student.promo

student.is

student.fr

student.coach

student.insure

student.biz

student.school

student.travel

student.be

student.co.za

student.edu.pl

student.net.cn

student.im

student.at

student.com.tw

student.ru

student.agency

student.elblag.pl

student.ly

student.ir

student.su

student.network

student.lk

student.mobi

student.email

student.us

student.de

student.edu.rs

student.apartments

student.co.th

student.homes

student.no

student.monash

student.bio

student.io.vn

student.careers

student.nl

student.ltd

student.to

student.cards

student.services

student.gallery

student.cz

student.fi

student.associates

Similar names

studnet.fr

duntest.com

studnet.no

studnet.com.co

tudents.com

studnet.in

studnet.net.ua

stunted.com

destunt.be

tusdnet.com

studnet.net

netstud.io

stunted.net

dustnet.com

studnet.de

tusdnet.org

netdust.be

stunted.me

DNS History

9 records (6 active, 3 former)

●NSns1.rocva.nl2026-03-11 → 2026-08-07 · 2 obs

● 2026-03-11 14:40:44
● 2026-08-07 01:38:38

●NSns1.surfnet.nl2026-03-11 → 2026-08-07 · 2 obs

● 2026-03-11 14:40:44
● 2026-08-07 01:38:38

●NSns1.zurich.surf.net2026-03-11 → 2026-08-07 · 2 obs

● 2026-03-11 14:40:44
● 2026-08-07 01:38:38

●NSns2.surfnet.nl2026-03-11 → 2026-08-07 · 2 obs

● 2026-03-11 14:40:44
● 2026-08-07 01:38:38

●NSns3.surfnet.nl2026-03-11 → 2026-08-07 · 2 obs

● 2026-03-11 14:40:44
● 2026-08-07 01:38:38

○NSnsauth1.vancis.nl2026-03-11 → 2026-08-07 · 2 obs

○ 2026-03-11 14:40:44
○ 2026-08-07 01:38:38

○NSnsauth2.vancis.nl2026-03-11 → 2026-08-07 · 2 obs

○ 2026-03-11 14:40:44
○ 2026-08-07 01:38:38

○NSnsauth3.vancis.nl2026-03-11 → 2026-08-07 · 2 obs

○ 2026-03-11 14:40:44
○ 2026-08-07 01:38:38

●MXstudent-rocva-nl.mail.protection.outlook.com2015-06-28 → 2026-08-07 · 2 obs

● 2015-06-28 07:04:14
● 2026-08-07 01:38:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
rocva.nl	ns1.rocva.nl, ns1.zurich.surf.net, ns1.surfnet.nl, ns2.surfnet.nl...	7 records

✅ Authoritative Response

Server:192.87.36.2

NS records: ns1.rocva.nl, ns1.zurich.surf.net, ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1283ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	5	`ns1.rocva.nl, ns1.surfnet.nl...`
MX	1	`student-rocva-nl.mail.protection.outlook`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.rocva.nl webmaster.talnet.nl`

📌 Glue Records Collected

Total: 7

In-bailiwick: 1 (ns1.rocva.nl)

Out-of-bailiwick: 6 (ns1.surfnet.nl, ns1.surfnet.nl, ns2.surfnet.nl...)

Analysis

Name Servers

The authoritative name servers for student.rocva.nl are ns1.rocva.nl, ns1.surfnet.nl, ns2.surfnet.nl and two others.

There is at least partial name server overlap between student.rocva.nl and other domains — amaliakinderfonds.nl, 75.90.145.in-addr.arpa, vergiftigingen.eu and two more among them.

These name servers regularly appear alongside ns1.zurich.surf.net, ns3.surfnet.nl, arachne.leidenuniv.nl and 7 other name servers in NS record sets.

Hosts with two IP numbers each:

The A records for ns1.surfnet.nl return 192.87.106.101 and 2001:610:1:800a:192:87:106:101.

The A records for ns2.surfnet.nl return 192.87.36.2 and 2001:610:3:200a:192:87:36:2.

The A records for ns3.surfnet.nl return 195.169.124.71 and 2001:610:0:800c:195:169:124:71.

The A records for ns1.zurich.surf.net return 195.176.255.9 and 2001:620:0:9::1103.

Hosts that resolve to one IP address:

ns1.rocva.nl resolves to the IP address 145.100.65.10.