`o6.dk`

DNSSEC	⚠️ Not signed
A	87.62.100.217^{🇩🇰 TDC87.62.0.0/15}
		PTR	`0x573e64d9.static.cust.fastspeed.dk`
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`bayan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c148^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bayan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2148^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bayan.ns.cloudflare.com`
		A	108.162.193.72^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	172.64.33.72^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	173.245.59.72^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=BzhnaZZwViZjcsLZ`
TXT	`protonmail-verification=2caafd3181d1640bdd0867fb1c7d393640327477`
TXT	`v=spf1 include:_spf.protonmail.ch include:icloud.com ~all`
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2406956004

`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 1781708401localtime Wed Jun 17 17:00:01 2026gmtime Wed Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781708401

Previously MX for

o6.dk

Same first word

o6.org

o6.com

o6.su

o6.com.au

o6.cz

o6.cn

o6.sk

o6.biz

o6.de

o6.lv

o6.ru

o6.pl

o6.fr

o6.net

o6.nl

o6.be

o6.ca

o6.hu

o6.dk

Similar names

6o.eu

6o.au

6o.no

6o.ws

6o.cc

6o.co.uk

6o.dk

6o.vc

6o.ru

6o.su

6o.com

6o.nl

6o.cn

6o.by

6o.cz

6o.net

DNS History

13 records (5 active, 8 former)

●NSbarbara.ns.cloudflare.com2026-06-12 → 2026-06-17 · 3 obs

○ 2020-04-08 10:50:20
● 2026-06-12 11:49:14
● 2026-06-17 15:03:44

●NSbayan.ns.cloudflare.com2026-06-12 → 2026-06-17 · 3 obs

○ 2020-04-08 10:50:20
● 2026-06-12 11:49:14
● 2026-06-17 15:03:44

○NSns1.gratisdns.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

○NSns2.gratisdns.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

○NSns3.gratisdns.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

○NSns4.gratisdns.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

○NSns5.gratisdns.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

●MXmx01.mail.icloud.com2026-06-12 → 2026-06-17 · 3 obs

○ 2020-04-08 10:50:20
● 2026-06-12 11:49:14
● 2026-06-17 15:03:44

●MXmx02.mail.icloud.com2026-06-12 → 2026-06-17 · 3 obs

○ 2020-04-08 10:50:20
● 2026-06-12 11:49:14
● 2026-06-17 15:03:44

○MXo6.dk2015-08-12 → 2020-04-08 · 4 obs

● 2015-08-12 11:45:38
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

○A109.201.154.752015-08-12 → 2016-08-09 · 4 obs

● 2015-08-12 11:45:38
● 2016-08-09 09:59:34
○ 2020-04-08 10:50:20
○ 2026-06-17 15:03:44

○A77.68.241.1402020-04-08 → 2020-04-08 · 4 obs

○ 2016-08-09 09:59:34
● 2020-04-08 10:50:20
○ 2026-06-12 11:49:14
○ 2026-06-17 15:03:44

●A87.62.100.2172026-06-12 → 2026-06-17 · 3 obs

○ 2020-04-08 10:50:20
● 2026-06-12 11:49:14
● 2026-06-17 15:03:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	12 records
o6.dk	bayan.ns.cloudflare.com, barbara.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.248

NS records: bayan.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o6.dk (unsigned zone)

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.62.100.217`
NS	2	`barbara.ns.cloudflare.com, bayan.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=BzhnaZZwViZjcsLZ, protonmail-verification=2caafd3181d1640b...`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

o6.dk points to a single IP number: 87.62.100.217.

Further host names like netbar.dk and 0x573e64d9.static.cust.fastspeed.dk overlap in IP numbers with o6.dk.

Name Servers

o6.dk is delegated to two name servers: barbara.ns.cloudflare.com and bayan.ns.cloudflare.com.

o6.dk shares its name server setup with other domains, including tattooweg-fuerth.de, paulnrogers.com, unityit.com and two others.

There is at least partial name server overlap between o6.dk and other domains — itsthor.com, clickandmoan.com, modfyapp.com and two more among them.

These name servers tend to appear in combination with the name servers donna.ns.cloudflare.com, trevor.ns.cloudflare.com, rodney.ns.cloudflare.com and john.ns.cloudflare.com.

Host names with 6 IP numbers:

barbara.ns.cloudflare.com resolves to 108.162.192.248, 172.64.32.248, 173.245.58.248 and 3 other IP addresses.

bayan.ns.cloudflare.com resolves to 108.162.193.72, 172.64.33.72, 173.245.59.72 and 3 other IP addresses.

Mail Servers

o6.dk has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

o6.dk shares the same mail server setup as other domains, including mspages.net, jgp.ai, gephi.de and two others.

o6.dk shares mail servers — at least in part — with other domains, including joppewillems.nl, johnhuizinga.nl, designmjc.com and two others.

Host names with 6 IP numbers:

mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx02.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.156.30 IP addresses.

o6.dk - robtex.com

o6.dk

dk

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`o6.dk`

`dk`