jer.dk - dns.ninja

`jer.dk`

DNSSEC	🔒 Signed (DS record present)
A	185.21.40.87^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`vm1447.enterprisecloud.nu`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`jer-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.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	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com include:web....`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2025-09-08 #1

`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 1783934281localtime Mon Jul 13 11:18:01 2026gmtime Mon Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1783934324

Same first word

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rje.cn

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jre.com.sa

rej.edu.pl

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jre.org

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rej.at

jre.id.au

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ejr.cc

jre.co.in

jre.ch

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jre.es

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rje.at

ejr.it

rej.world

jre.xyz

jre.com.mx

rej.com

rje.net.au

rej.info

ejr.kz

ejr.de

erj.me

DNS History

16 records (4 active, 12 former)

●NSns1.curanet.dk2020-10-19 → 2026-07-13 · 3 obs

○ 2016-12-22 15:08:12
● 2020-10-19 07:30:16
● 2026-07-13 09:46:54

○NSns1.gratisdns.dk2016-12-22 → 2016-12-22 · 4 obs

○ 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

○NSns1.webrooms.dk2015-08-20 → 2016-09-01 · 4 obs

● 2015-08-20 04:52:16
● 2016-09-01 23:42:58
○ 2016-12-22 15:08:12
○ 2026-07-13 09:46:54

●NSns2.curanet.dk2020-10-19 → 2026-07-13 · 3 obs

○ 2016-12-22 15:08:12
● 2020-10-19 07:30:16
● 2026-07-13 09:46:54

○NSns2.gratisdns.dk2016-12-22 → 2016-12-22 · 4 obs

○ 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

○NSns2.webrooms.dk2015-08-20 → 2016-09-01 · 7 obs

● 2015-08-20 04:52:16
○ 2015-11-08 09:18:58
○ 2016-01-21 14:18:48
● 2016-04-10 10:22:24
● 2016-09-01 23:42:58
○ 2016-12-22 15:08:12
○ 2026-07-13 09:46:54

○NSns3.gratisdns.dk2016-12-22 → 2016-12-22 · 4 obs

○ 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

○NSns3.webrooms.dk2015-08-20 → 2016-09-01 · 8 obs

● 2015-08-20 04:52:16
○ 2015-11-08 09:18:58
● 2016-01-21 14:18:48
○ 2016-04-10 10:22:24
○ 2016-05-09 23:56:02
● 2016-09-01 23:42:58
○ 2016-12-22 15:08:12
○ 2026-07-13 09:46:54

○NSns4.gratisdns.dk2016-12-22 → 2016-12-22 · 4 obs

○ 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

○NSns5.gratisdns.dk2016-12-22 → 2016-12-22 · 4 obs

○ 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

●MXjer-dk.mail.protection.outlook.com2016-09-01 → 2026-07-13 · 3 obs

○ 2016-05-09 23:56:02
● 2016-09-01 23:42:58
● 2026-07-13 09:46:54

○MXmail.webrooms.dk2015-08-20 → 2016-05-09 · 4 obs

● 2015-08-20 04:52:16
● 2016-05-09 23:56:02
○ 2016-09-01 23:42:58
○ 2026-07-13 09:46:54

○A185.21.40.652020-10-19 → 2020-10-19 · 4 obs

○ 2016-12-22 15:08:12
● 2020-10-19 07:30:16
○ 2026-02-18 01:44:46
○ 2026-07-13 09:46:54

●A185.21.40.872026-02-18 → 2026-07-13 · 3 obs

○ 2020-10-19 07:30:16
● 2026-02-18 01:44:46
● 2026-07-13 09:46:54

○A78.46.210.112016-09-01 → 2016-12-22 · 5 obs

○ 2016-05-09 23:56:02
● 2016-09-01 23:42:58
● 2016-12-22 15:08:12
○ 2020-10-19 07:30:16
○ 2026-07-13 09:46:54

○A89.104.219.562015-08-20 → 2016-05-09 · 4 obs

● 2015-08-20 04:52:16
● 2016-05-09 23:56:02
○ 2016-09-01 23:42:58
○ 2026-07-13 09:46:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, t.nic.dk, b.nic.dk, h.nic.dk...	-
jer.dk	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1192ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.40.87`
NS	2	`ns1.curanet.dk, ns2.curanet.dk`
MX	1	`jer-dk.mail.protection.outlook.com (pri:`
TXT	1	`v=spf1 include:spf.curanet.dk include:sp`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

IP Addresses

jer.dk directs to one IP number, which is 185.21.40.87.

Among the host names that share IP numbers with jer.dk are www.ms-flowtechnic.dk, metacoat.dk, hjaelptilgaeld.dk and two others.

Name Servers

The NS records for jer.dk delegate to ns1.curanet.dk and ns2.curanet.dk.

jer.dk has the same name server delegation as a number of other domains, such as schous-marielyst.dk, jrv.dk, ntc24.eu and two more.

The name servers of jer.dk overlap at least partially with those of other domains — among them mavt.dk, webogco.dk, coreit.dk and two more.

These name servers commonly appear in combination with the name servers ns1.123hotel.dk.

ns1.curanet.dk resolves to 185.25.141.12 and 2a02:2339:4006:108::123. Likewise, ns2.curanet.dk resolves to 91.197.248.75 and 2a02:2339:1:10f::123:123 — two IP addresses apiece.

Mail Servers

jer.dk routes its mail through a single mail server, jer-dk.mail.protection.outlook.com.

jer-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.73.6, 52.101.73.11 and 52.101.73.19, along with 5 other.