`ref.dk`

DNSSEC	⚠️ Not signed
A	176.9.16.109^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
		PTR	`static.109.16.9.176.clients.your-server.de`
NS	`ns.zqz.dk` ⭐
		A	78.47.93.245^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`mailhost.xyved.dk`
NS	`ns1.first-ns.de`
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mailhost.xyved.dk` ⭐
		A	78.47.93.245^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`mailhost.xyved.dk`
MX	`b.mx.zqz.dk`⁽²⁰⁾
		A	78.47.93.245^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`mailhost.xyved.dk`
SOA	`ns.zqz.dk`hostmaster@ref.dk serial=1651826363

`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 1778354281localtime Sat May 9 21:18:01 2026gmtime Sat Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778354281

Subdomains

hostmaster.ref.dk

Same first word

ref.org.au

ref.pl

ref.ru

ref.com.hk

ref.or.kr

ref.plus

ref.or.jp

ref.expert

ref.in.ua

ref.training

ref.mx

ref.hk

ref.so

ref.eu

ref.house

ref.readthedocs.io

ref.ch

ref.us

ref.se

ref.ac.uk

ref.tools

ref.no

ref.to

ref.tc

ref.lv

ref.biz

ref.it

ref.li

ref.ua

ref.ms

ref.asia

ref.com.ua

ref.my

ref.world

ref.vn

ref.me

ref.pt

ref.ca

ref.net

ref.kr

ref.center

ref.lt

ref.org.uk

ref.am

ref.sh

ref.direct

ref.at

ref.dk

ref.de

ref.is

ref.ee

ref.com.tw

ref.gv.at

ref.ge

ref.fm

ref.finance

ref.gr

ref.agency

ref.ly

ref.sg

ref.by

ref.com.br

ref.im

ref.nhs.uk

ref.wang

ref.scot

ref.cards

ref.info

ref.management

ref.es

ref.cn

ref.hu

ref.com

ref.co

ref.org

ref.today

ref.az

ref.re

Similar names

erf.it

erf.org.tw

fre.at

rfe.ro

rfe.de

fre.org.uk

efr.com.tr

efr.net

fer.gov.pl

erf.org.au

fer.lt

fer.gov.rw

fer.es

efr.co

fer.eu

fre.be

fer.al

fre.ag

fer.biz

fer.de

fre.pl

fer.pl

rfe.com.ar

fre.net

fre.nl

efr.com.mx

rfe.by

fer.com.ua

fre.de

fre.gr

fer.mx

rfe.org.cn

fre.lu

rfe.com

rfe.at

fer.marketing

fre.com.br

rfe.co.nz

fre.ch

fer.tel

efr.ru

fer.ai

fre.ro

erf.net

fer.ru

fer.org.mx

fer.si

fer.name

erf.be

fer.org.br

rfe.hu

fre.jp

fer.hr

rfe.mobi

fre.es

efr.app

fer.co

erf.org.uk

efr.com

fre.dk

fer.hu

fer.or.kr

efr.io

fer.ca

fer.dk

fer.com.br

fer.uz

fre.agency

rfe.cc

fer.se

fer.network

rfe.net

efr.es

rfe.eu

rfe.ca

fer.com

fer.co.uk

erf.in

DNS History

14 records (7 active, 7 former)

●NSns.zqz.dk2015-06-23 → 2026-05-09 · 2 obs

● 2015-06-23 10:43:18
● 2026-05-09 19:27:28

●NSns1.first-ns.de2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-06 21:17:12
● 2026-02-14 23:02:40
● 2026-05-09 19:27:28

○NSns1.gratisdns.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

○NSns2.gratisdns.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

○NSns3.gratisdns.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

○NSns4.gratisdns.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

○NSns5.gratisdns.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

●NSrobotns2.second-ns.de2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-06 21:17:12
● 2026-02-14 23:02:40
● 2026-05-09 19:27:28

●NSrobotns3.second-ns.com2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-06 21:17:12
● 2026-02-14 23:02:40
● 2026-05-09 19:27:28

○MXa.mx.xyved.dk2015-06-23 → 2021-04-06 · 4 obs

● 2015-06-23 10:43:18
● 2021-04-06 21:17:12
○ 2026-02-14 23:02:40
○ 2026-05-09 19:27:28

●MXb.mx.zqz.dk2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-06 21:17:12
● 2026-02-14 23:02:40
● 2026-05-09 19:27:28

○MXmail.musikcheck.dk2015-06-23 → 2016-08-23 · 4 obs

● 2015-06-23 10:43:18
● 2016-08-23 11:19:30
○ 2016-12-18 08:26:42
○ 2026-05-09 19:27:28

●MXmailhost.xyved.dk2026-02-14 → 2026-05-09 · 3 obs

○ 2021-04-06 21:17:12
● 2026-02-14 23:02:40
● 2026-05-09 19:27:28

●A176.9.16.1092015-06-23 → 2026-05-09 · 2 obs

● 2015-06-23 10:43:18
● 2026-05-09 19:27:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, c.nic.dk, t.nic.dk, b.nic.dk...	-
ref.dk	ns.zqz.dk, ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	1 record

✅ Authoritative Response

Server:193.47.99.3

NS records: ns.zqz.dk, ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ref.dk (unsigned zone)

⏱️ Timing

Total: 2669ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.9.16.109`
NS	4	`ns.zqz.dk, ns1.first-ns.de...`
MX	2	`mailhost.xyved.dk (pri: 10), b.mx.zqz.dk (pri: 20)`
SOA	1	`ns.zqz.dk hostmaster.ref.dk`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.zqz.dk)

Analysis

Hierarchy

ref.dk is the parent of hostmaster.ref.dk.

IP Addresses

ref.dk points to IP number 176.9.16.109.

For instance, other host names a.mx.zqz.dk, hostmaster.acom.dk, hostmaster.acom-net.com, mail.xyved.dk and hostmaster.ref.dk share IP numbers with ref.dk.

Name Servers

ref.dk is delegated to four name servers: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de and ns.zqz.dk.

ref.dk shares name servers with other domains at least partially, for example web-vision.biz, blogreen.org, andreas-diendorfer.at, bgunion.com and itcycle.de.

Hosts with two IP numbers

- Host robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3

- Host ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238

- Host robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Hosts with one IP number

- Host ns.zqz.dk points to: 78.47.93.245

Mail Servers

Two mail servers mailhost.xyved.dk and b.mx.zqz.dk handle ref.dk.

ref.dk shares the same mail server setup as other domains, for instance hausmann.dk, aagejensen.dk, zqz.dk, mail2me.dk and kjeldbjerg.org.

ref.dk shares mail servers with other domains at least partially; for instance splydrk.net, hvalros.dk, splydrk.dk, luj.dk and kimsalabim.dk.

Host names with a single IP

mailhost.xyved.dk points to: 78.47.93.245

b.mx.zqz.dk points to: 78.47.93.245

Host names pointing to 78.47.93.245: mailhost.xyved.dk and b.mx.zqz.dk

ref.dk - robtex.com

ref.dk

dk

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ref.dk`

`dk`