`flemmingrubak.dk`

DNSSEC	🔒 Signed (DS record present)
A	93.191.155.240^{🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S}
		PTR	`forward.dnsfactory.dk`
NS	`ns1.123hotel.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	`ns2.123hotel.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	`mail.flemmingrubak.dk` ⭐
		A	83.91.82.156^{🇩🇰 TDC83.88.0.0/13}
MX	`backup-mx.zitcom.dk`⁽¹⁰⁰⁾
SOA	`ns1.123hotel.dk`hostmaster@curanet.dk 2023-02-19 #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 1778813641localtime Fri May 15 04:54:01 2026gmtime Fri Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778813641

Subdomains

mail.flemmingrubak.dk

DNS History

6 records (5 active, 1 former)

●NSns1.123hotel.dk2015-08-20 → 2026-05-15 · 2 obs

● 2015-08-20 11:28:16
● 2026-05-15 03:11:42

●NSns2.123hotel.dk2015-08-20 → 2026-05-15 · 2 obs

● 2015-08-20 11:28:16
● 2026-05-15 03:11:42

●MXbackup-mx.zitcom.dk2015-08-20 → 2026-05-15 · 2 obs

● 2015-08-20 11:28:16
● 2026-05-15 03:11:42

●MXmail.flemmingrubak.dk2015-08-20 → 2026-05-15 · 2 obs

● 2015-08-20 11:28:16
● 2026-05-15 03:11:42

○A93.191.155.2342015-08-20 → 2017-01-30 · 4 obs

● 2015-08-20 11:28:16
● 2017-01-30 18:29:40
○ 2019-04-02 12:23:16
○ 2026-05-15 03:11:42

●A93.191.155.2402019-04-02 → 2026-05-15 · 3 obs

○ 2017-01-30 18:29:40
● 2019-04-02 12:23:16
● 2026-05-15 03:11:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	12 records
flemmingrubak.dk	ns1.123hotel.dk, ns2.123hotel.dk	4 records

✅ Authoritative Response

Server:185.25.141.12

NS records: ns1.123hotel.dk, ns2.123hotel.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 649ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.155.240`
NS	2	`ns2.123hotel.dk, ns1.123hotel.dk`
MX	2	`mail.flemmingrubak.dk (pri: 10), backup-mx.zitcom.dk (pri: 100)`
SOA	1	`ns1.123hotel.dk hostmaster.curanet.dk`

📌 Glue Records Collected

Total: 16

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

Out-of-bailiwick: 4 (ns1.123hotel.dk, ns2.123hotel.dk, ns1.123hotel.dk...)

Analysis

Hierarchy

mail.flemmingrubak.dk is a child of flemmingrubak.dk.

IP Addresses

flemmingrubak.dk resolves to one IP number: 93.191.155.240.

Other host names, for instance ripzon.dk, simon.dk, xn--ftexfood-54a.dk, mac-baren.dk and trendcore.dk share IP numbers with flemmingrubak.dk.

Name Servers

flemmingrubak.dk's delegation uses two name servers: ns1.123hotel.dk and ns2.123hotel.dk.

flemmingrubak.dk uses the same name server setup as other domains, such as shop2save.dk, sand-jensen.dk, oestvend.dk, platz-gesten.dk and balletskolenholstebro.dk.

flemmingrubak.dk at least partially shares name servers with other domains, including lionalpin.dk, aluport.dk, sansemotorik.dk, jarnes.net and domica.dk.

These name servers are often used with ns1.curanet.dk and ns2.curanet.dk.

Host names with two IPs:

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

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

Mail Servers

flemmingrubak.dk is served by two mail servers mail.flemmingrubak.dk and backup-mx.zitcom.dk.

flemmingrubak.dk shares at least some mail servers with other domains, for example vmloader.dk, printing.dk, cooltool.dk, eateasy.dk and njord.dk.

These mail servers are often used together with the mail servers vmloader-dk.mail.protection.outlook.com.

Host names with a single IP number: The host name mail.flemmingrubak.dk points to 83.91.82.156.

flemmingrubak.dk - robtex.com