ffdk.dk - dns.ninja

`ffdk.dk`

DNSSEC	🔒 Signed (DS record present)
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`
MX	`ffdk-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all`
TXT	`MS=ms10293130`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-03-19 #2

`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 1783225081localtime Sun Jul 5 06:18:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1783225082

Same first word

ffdk.at

ffdk.academy

ffdk.pro

ffdk.xyz

ffdk.com

ffdk.dk

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DNS History

9 records (4 active, 5 former)

○NSns1.servage.net2015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 21:51:22
● 2017-04-20 07:56:08
○ 2026-03-28 05:32:04
○ 2026-07-05 04:38:58

●NSns1.simply.com2026-03-28 → 2026-07-05 · 3 obs

○ 2017-04-20 07:56:08
● 2026-03-28 05:32:04
● 2026-07-05 04:38:58

○NSns2.servage.net2015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 21:51:22
● 2017-04-20 07:56:08
○ 2026-03-28 05:32:04
○ 2026-07-05 04:38:58

●NSns2.simply.com2026-03-28 → 2026-07-05 · 3 obs

○ 2017-04-20 07:56:08
● 2026-03-28 05:32:04
● 2026-07-05 04:38:58

●NSns3.simply.com2026-03-28 → 2026-07-05 · 3 obs

○ 2017-04-20 07:56:08
● 2026-03-28 05:32:04
● 2026-07-05 04:38:58

●MXffdk-dk.mail.protection.outlook.com2026-03-28 → 2026-07-05 · 3 obs

○ 2017-04-20 07:56:08
● 2026-03-28 05:32:04
● 2026-07-05 04:38:58

○MXmx1.servage.net2015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 21:51:22
● 2017-04-20 07:56:08
○ 2026-03-28 05:32:04
○ 2026-07-05 04:38:58

○MXmx2.servage.net2015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 21:51:22
● 2017-04-20 07:56:08
○ 2026-03-28 05:32:04
○ 2026-07-05 04:38:58

○A92.61.146.1052015-05-19 → 2017-04-20 · 4 obs

● 2015-05-19 21:51:22
● 2017-04-20 07:56:08
○ 2026-03-28 05:32:04
○ 2026-07-05 04:38:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
ffdk.dk	ns1.simply.com, ns3.simply.com, ns2.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1154ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns3.simply.com, ns1.simply.com...`
MX	1	`ffdk-dk.mail.protection.outlook.com (pri`
TXT	2	`MS=ms10293130, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Name Servers

DNS for ffdk.dk is handled by three authoritative name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.

ffdk.dk has at least partial name server overlap with other domains, such as lysning.dk, emme.ax, supervita.at and two others.

It is common to see these name servers used together with name servers ns4.simply.com and ns1.unoeuro.com.

Host names pointing to two IP addresses:

ns1.simply.com has two IP addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com has two IP addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names resolving to a single IP address:

ns3.simply.com directs to 91.197.248.79.

Mail Servers

ffdk.dk uses one mail server — ffdk-dk.mail.protection.outlook.com.

ffdk-dk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.8, 52.101.68.18 plus 5 more.