`81.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.103.100^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`dnsforward.simply.com`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
SOA	`ns1.simply.com`hostmaster@simply.com 2024-01-23 #0

`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 1776959461localtime Thu Apr 23 17:51:01 2026gmtime Thu Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1776959461

Same first word

81.su

81.com.cn

81.si

81.co.uk

81.la

81.world

81.au

81.hk

81.se

81.cm

81.kz

81.ink

81.ddns.me

81.fr

81.cc

81.org

81.be

81.in-addr.arpa

81.to

81.cool

81.mil.cn

81.plus

81.de

81.waw.pl

81.biz

81.chat

81.me

81.gs

81.nl

81.cz

81.dk

81.ph

81.vc

81.lt

81.pl

81.com.tr

81.com.mx

81.ws

81.lv

81.fyi

81.nu

81.com.au

81.no

81.ca

81.com.hk

81.ag

81.cx

81.amsterdam

81.ro

81.cn

81.cl

81.com

81.co.kr

81.sk

Similar names

18.co

18.lt

18.app

18.tel

18.com.cm

18.cool

18.uz

18.to

18.no

18.in-addr.arpa

18.lv

18.gs

18.githubusercontent.com

18.co.nz

18.world

18.ph

18.watch

18.ru

18.com.cn

18.ca

18.media

18.cc

18.ws

18.network

18.com.tw

18.com.pl

18.com.tr

18.amsterdam

18.appchizi.com

18.ro

18.chat

18.cam

18.dk

18.tech

18.digital

18.do

18.ms

18.money

18.show

18.su

18.cz

18.wtf

18.com.hk

18.vc

18.nl

18.vip

18.im

18.net.au

18.edu.pl

18.fi

18.tv

18.rs

18.game

18.cn

18.uk

18.ventures

18.fyi

18.hu

18.hk

18.pl

18.biz

18.cl

18.ag

DNS History

19 records (5 active, 14 former)

○NSart.ns.cloudflare.com2021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○NSdell.ns.cloudflare.com2021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○NSns1.gratisdns.dk2015-06-23 → 2016-11-30 · 4 obs

● 2015-06-23 03:39:44
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

●NSns1.simply.com2026-04-18 → 2026-04-23 · 3 obs

○ 2021-01-16 18:03:44
● 2026-04-18 02:16:46
● 2026-04-23 15:52:38

○NSns2.gratisdns.dk2015-06-23 → 2016-11-30 · 4 obs

● 2015-06-23 03:39:44
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

●NSns2.simply.com2026-04-18 → 2026-04-23 · 3 obs

○ 2021-01-16 18:03:44
● 2026-04-18 02:16:46
● 2026-04-23 15:52:38

○NSns3.gratisdns.dk2015-06-23 → 2016-11-30 · 4 obs

● 2015-06-23 03:39:44
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

●NSns3.simply.com2026-04-18 → 2026-04-23 · 3 obs

○ 2021-01-16 18:03:44
● 2026-04-18 02:16:46
● 2026-04-23 15:52:38

○NSns4.gratisdns.dk2015-06-23 → 2016-11-30 · 4 obs

● 2015-06-23 03:39:44
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

●NSns4.simply.com2026-04-18 → 2026-04-23 · 3 obs

○ 2021-01-16 18:03:44
● 2026-04-18 02:16:46
● 2026-04-23 15:52:38

○NSns5.gratisdns.dk2015-06-23 → 2016-11-30 · 4 obs

● 2015-06-23 03:39:44
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

○A104.21.88.92021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○A172.67.149.2272021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○A2001:67c:3c0:12::532015-10-22 → 2016-11-30 · 5 obs

○ 2015-10-18 02:09:52
● 2015-10-22 14:50:18
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

○A2606:4700:3034::ac43:95e32021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○A2606:4700:3037::6815:58092021-01-16 → 2021-01-16 · 4 obs

○ 2016-11-30 12:12:46
● 2021-01-16 18:03:44
○ 2026-04-18 02:16:46
○ 2026-04-23 15:52:38

○A85.114.130.152015-06-23 → 2015-10-18 · 4 obs

● 2015-06-23 03:39:44
● 2015-10-18 02:09:52
○ 2015-10-22 14:50:18
○ 2026-04-23 15:52:38

○A91.221.196.2532015-10-22 → 2016-11-30 · 5 obs

○ 2015-10-18 02:09:52
● 2015-10-22 14:50:18
● 2016-11-30 12:12:46
○ 2021-01-16 18:03:44
○ 2026-04-23 15:52:38

●A94.231.103.1002026-04-18 → 2026-04-23 · 3 obs

○ 2021-01-16 18:03:44
● 2026-04-18 02:16:46
● 2026-04-23 15:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
81.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.103.100`
NS	4	`ns4.simply.com, ns1.simply.com...`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

IP Addresses

81.dk points to a single IP address: 94.231.103.100.

Other host names such as www.drewsycamore.com, xn--fritlgning-h6a.dk, bokforing-pris.se, www.nized.com and sunspa.eu share IP numbers with 81.dk.

Name Servers

81.dk is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

At least part of the name servers for 81.dk are shared with other domains, for instance ptwairsoft.dk, caina.se, donatzky.dk, basunist.dk and handelbloggen.se.

These name servers are commonly used alongside ns1.unoeuro.com and ns2.unoeuro.com.

Host names with two IP numbers:

ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.

ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.

Host names with one IP number:

ns3.simply.com points to: 91.197.248.79.

ns4.simply.com points to: 91.197.248.80.

81.dk - robtex.com

81.dk

dk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`81.dk`

`dk`