ju.dk - dns.ninja

`ju.dk`

DNSSEC	🔒 Signed (DS record present)
A	52.232.87.92^{🇳🇱 Microsoft52.224.0.0/11 MICROSOFT}
NS	`ns2.efif.dk` ⭐
		A	195.254.168.12^{🇩🇰 AARHUS-KOEBMANDSSKOLE195.254.168.0/23 Aarhus Koebmandsskole Network}
			PTR	`ns2.efif.dk`
NS	`ns.efif.dk`
		A	195.254.168.23^{🇩🇰 AARHUS-KOEBMANDSSKOLE195.254.168.0/23 Aarhus Koebmandsskole Network}
NS	`ns3.efif.dk`
		A	20.23.170.35^{🇳🇱 Microsoft20.0.0.0/11 MICROSOFT}
MX	`ju-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.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::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`MS=ms73887563`
TXT	`v=spf1 include:spf.protection.outlook.com include:amazonses.com include:_spf....`
TXT	`Jordbrugets Uddannelsescenter`
SOA	`ns.efif.dk`dns-zc@efif.dk 2016-01-16 #3

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1786251600localtime Sun Aug 9 07:00:00 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786251600

WOT: SAFE (61/100)

Subdomains

fronter.ju.dk

www.ju.dk

bw.ju.dk

Same first word

ju.edu.jo

ju.edu.et

ju.la

ju.pl

ju.su

ju.com.br

ju.se

ju.com

ju.ch

ju.io

ju.de

ju.eco.br

ju.st

ju.cl

ju.biz

ju.eu

ju.do

ju.nl

ju.edu.sa

ju.gg

ju.org

ju.ma

ju.ac.kr

ju.ru

ju.je

ju.at

ju.sk

ju.gs

ju.no

ju.cx

ju.pe

ju.net

ju.be

ju.co

ju.ci

ju.studio

ju.org.ua

ju.ly

ju.to

ju.fyi

ju.lv

ju.ac.ae

ju.mp

ju.cz

ju.tc

ju.edu.ly

ju.bz.it

ju.he.cn

ju.run

ju.ro

ju.ne

ju.pp.ru

ju.cc

ju.dk

ju.my

ju.world

ju.zj.cn

ju.nu

ju.edu

ju.com.cn

ju.wtf

ju.bi

ju.ca

ju.network

ju.edu.af

Similar names

uj.edu.pl

uj.biz

uj.fyi

uj.ci

uj.net

uj.ca

uj.gs

uj.pl

uj.is

uj.co

uj.ru

uj.edu.sa

uj.ro

uj.nu

uj.co.nz

uj.com.br

uj.cl

uj.ac.za

uj.by

uj.com.tw

uj.se

uj.edu

uj.hu

uj.vc

uj.ee

uj.world

uj.be

uj.cz

uj.com.ua

uj.co.za

uj.com

uj.sk

uj.no

uj.am

uj.org

uj.cn

uj.mobi

uj.eu

uj.ac

uj.nl

uj.com.my

DNS History

11 records (5 active, 6 former)

○NSmimer.deic.dk2016-01-11 → 2017-02-15 · 5 obs

○ 2016-01-03 20:13:48
● 2016-01-11 07:47:28
● 2017-02-15 23:18:20
○ 2019-08-12 13:57:22
○ 2026-08-09 05:31:26

○NSmimer.snet.uvm.dk2015-07-09 → 2016-01-03 · 4 obs

● 2015-07-09 10:48:28
● 2016-01-03 20:13:48
○ 2016-01-11 07:47:28
○ 2026-08-09 05:31:26

○NSns-soa.darenet.dk2015-07-09 → 2017-02-15 · 4 obs

● 2015-07-09 10:48:28
● 2017-02-15 23:18:20
○ 2019-08-12 13:57:22
○ 2026-08-09 05:31:26

●NSns.efif.dk2019-08-12 → 2026-08-09 · 3 obs

○ 2017-02-15 23:18:20
● 2019-08-12 13:57:22
● 2026-08-09 05:31:26

●NSns2.efif.dk2019-08-12 → 2026-08-09 · 3 obs

○ 2017-02-15 23:18:20
● 2019-08-12 13:57:22
● 2026-08-09 05:31:26

●NSns3.efif.dk2019-08-12 → 2026-08-09 · 3 obs

○ 2017-02-15 23:18:20
● 2019-08-12 13:57:22
● 2026-08-09 05:31:26

●MXju-dk.mail.protection.outlook.com2019-08-12 → 2026-08-09 · 3 obs

○ 2017-02-15 23:18:20
● 2019-08-12 13:57:22
● 2026-08-09 05:31:26

○MXmail.ju.dk2015-07-09 → 2017-02-15 · 4 obs

● 2015-07-09 10:48:28
● 2017-02-15 23:18:20
○ 2019-08-12 13:57:22
○ 2026-08-09 05:31:26

●A52.232.87.922026-02-17 → 2026-08-09 · 3 obs

○ 2020-12-26 12:41:24
● 2026-02-17 11:53:04
● 2026-08-09 05:31:26

○A52.29.34.212019-08-12 → 2020-12-26 · 5 obs

○ 2017-02-15 23:18:20
● 2019-08-12 13:57:22
● 2020-12-26 12:41:24
○ 2026-02-17 11:53:04
○ 2026-08-09 05:31:26

○A77.66.85.992015-07-09 → 2017-02-15 · 4 obs

● 2015-07-09 10:48:28
● 2017-02-15 23:18:20
○ 2019-08-12 13:57:22
○ 2026-08-09 05:31:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	12 records
ju.dk	ns3.efif.dk, ns2.efif.dk, ns.efif.dk	3 records

✅ Authoritative Response

Server:20.23.170.35

NS records: ns3.efif.dk, ns2.efif.dk, ns.efif.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3825ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.232.87.92`
NS	3	`ns.efif.dk, ns2.efif.dk...`
MX	1	`ju-dk.mail.protection.outlook.com (pri:`
TXT	3	`Jordbrugets Uddannelsescenter, MS=ms73887563...`
SOA	1	`ns.efif.dk dns-zc.efif.dk`

📌 Glue Records Collected

Total: 15

In-bailiwick: 12 (b.nic.dk, c.nic.dk, h.nic.dk...)

Out-of-bailiwick: 3 (ns3.efif.dk, ns2.efif.dk, ns.efif.dk)

Analysis

Hierarchy

fronter.ju.dk, www.ju.dk and bw.ju.dk are all subdomains of ju.dk.

IP Addresses

ju.dk has exactly one IP address — 52.232.87.92.

odense-marcipan.no, maelkerforfremtiden.dk, sedan.dk plus two other host names have IP numbers in common with ju.dk.

Name Servers

DNS for ju.dk is handled by three authoritative name servers: ns2.efif.dk, ns3.efif.dk and ns.efif.dk.

The name servers of ju.dk overlap at least partially with those of other domains — among them baaa.dk, grownet.dk, horsenshs.dk and two more.

ns2.efif.dk, ns3.efif.dk and ns.efif.dk all have one IP address each — ns2.efif.dk directs to 195.254.168.12, ns3.efif.dk directs to 20.23.170.35 and ns.efif.dk directs to 195.254.168.23.

Mail Servers

ju.dk uses one mail server — ju-dk.mail.protection.outlook.com.

ju-dk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.5, 52.101.73.19 plus 5 more.