`fritidsborger.dk`

DNSSEC	🔒 Signed (DS record present)
A	185.21.40.55^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`vm1251.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	`mx1.onlinemail.io` ⭐
		A	185.21.42.12^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
			PTR	`mx1.onlinemail.io`
MX	`mx2.onlinemail.io`⁽²⁰⁾
		A	46.36.208.16^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`mx2.onlinemail.io`
TXT	`v=spf1 include:spf.mailjet.com include:spf.curanet.dk -all`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2023-04-14 #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 1774618381localtime Fri Mar 27 14:33:01 2026gmtime Fri Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1774618381

Subdomains

*.fritidsborger.dk

Same first word

fritidsborger.dk

DNS History

10 records (5 active, 5 former)

●NSns1.curanet.dk2020-03-01 → 2026-03-27 · 3 obs

○ 2017-03-31 21:47:24
● 2020-03-01 22:08:36
● 2026-03-27 13:42:10

●NSns2.curanet.dk2020-03-01 → 2026-03-27 · 3 obs

○ 2017-03-31 21:47:24
● 2020-03-01 22:08:36
● 2026-03-27 13:42:10

○NSns3.andersenit.dk2015-07-19 → 2017-03-31 · 4 obs

● 2015-07-19 08:49:24
● 2017-03-31 21:47:24
○ 2020-03-01 22:08:36
○ 2026-03-27 13:42:10

○NSns4.andersenit.dk2015-07-19 → 2017-03-31 · 4 obs

● 2015-07-19 08:49:24
● 2017-03-31 21:47:24
○ 2020-03-01 22:08:36
○ 2026-03-27 13:42:10

●MXmx1.onlinemail.io2020-03-01 → 2026-03-27 · 3 obs

○ 2017-03-31 21:47:24
● 2020-03-01 22:08:36
● 2026-03-27 13:42:10

●MXmx2.onlinemail.io2020-03-01 → 2026-03-27 · 3 obs

○ 2017-03-31 21:47:24
● 2020-03-01 22:08:36
● 2026-03-27 13:42:10

○MXsmtp-mx.fritidsborger.dk2015-07-19 → 2017-03-31 · 4 obs

● 2015-07-19 08:49:24
● 2017-03-31 21:47:24
○ 2020-03-01 22:08:36
○ 2026-03-27 13:42:10

○A185.21.40.502020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-31 21:47:24
● 2020-03-01 22:08:36
○ 2026-02-26 16:58:28
○ 2026-03-27 13:42:10

●A185.21.40.552026-02-26 → 2026-03-27 · 3 obs

○ 2020-03-01 22:08:36
● 2026-02-26 16:58:28
● 2026-03-27 13:42:10

○A87.238.248.1702015-07-19 → 2017-03-31 · 4 obs

● 2015-07-19 08:49:24
● 2017-03-31 21:47:24
○ 2020-03-01 22:08:36
○ 2026-03-27 13:42:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, t.nic.dk, b.nic.dk, h.nic.dk...	12 records
fritidsborger.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: 1418ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.40.55`
NS	2	`ns2.curanet.dk, ns1.curanet.dk`
MX	2	`mx1.onlinemail.io (pri: 10), mx2.onlinemail.io (pri: 20)`
TXT	1	`v=spf1 include:spf.mailjet.com include:s`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (t.nic.dk, s.nic.dk, l.nic.dk...)

Analysis

Hierarchy

fritidsborger.dk is the parent of *.fritidsborger.dk.

IP Addresses

fritidsborger.dk points to a single IP number: 185.21.40.55.

other host names for instance naestvedung.nu, hvidovreungdomsskole.dk, smtp-mx.ungdomsskolen.dk, esbu.dk and garbage.dk share IP numbers with fritidsborger.dk.

Name Servers

fritidsborger.dk is delegated to two name servers: ns1.curanet.dk and ns2.curanet.dk.

fritidsborger.dk shares the same name server setup as other domains, for example sogneweb.dk, venslev.com, yzeed.com, vedstedsogn.dk and samfundsvaerdi.dk.

fritidsborger.dk partially shares name servers with other domains, for instance spodsbjerghavn.dk, sayjes.dk and kinorostorv.dk.

Host names with two IP numbers:

ns1.curanet.dk points to 2a02:2339:4006:108::123 and 185.25.141.12

ns2.curanet.dk points to 2a02:2339:1:10f::123:123 and 91.197.248.75

Mail Servers

fritidsborger.dk is handled by two mail servers: mx1.onlinemail.io and mx2.onlinemail.io.

fritidsborger.dk shares the same mail server setup as other domains, for instance hasnaes-vand.dk, gruk.dk, com-mat.dk, liengaard.dk and accars.dk.

fritidsborger.dk shares some mail servers with other domains at least partially, for example vmok.dk.

Host names with one IP number:

The host mx1.onlinemail.io points to 185.21.42.12 and the host mx2.onlinemail.io points to 46.36.208.16.

fritidsborger.dk - robtex.com