jff.dk - dns.ninja

`jff.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.103.163^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`linux145.unoeuro.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`
MX	`mx.simply.com` ⭐
		A	94.231.106.20^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
			PTR	`mx.simply.com`
TXT	`v=spf1 include:spf.simply.com -all`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-04-23 #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 1784981701localtime Sat Jul 25 14:15:01 2026gmtime Sat Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1784981701

Same first word

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DNS History

11 records (6 active, 5 former)

○NSns1.123hotel.dk2015-07-11 → 2017-04-20 · 4 obs

● 2015-07-11 18:20:34
● 2017-04-20 06:04:14
○ 2026-03-02 08:53:04
○ 2026-07-25 12:17:54

●NSns1.simply.com2026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

○NSns2.123hotel.dk2015-07-11 → 2017-04-20 · 4 obs

● 2015-07-11 18:20:34
● 2017-04-20 06:04:14
○ 2026-03-02 08:53:04
○ 2026-07-25 12:17:54

●NSns2.simply.com2026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

●NSns3.simply.com2026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

●NSns4.simply.com2026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

○MXbackup-mx.zitcom.dk2015-07-11 → 2017-04-20 · 4 obs

● 2015-07-11 18:20:34
● 2017-04-20 06:04:14
○ 2026-03-02 08:53:04
○ 2026-07-25 12:17:54

○MXmail.jff.dk2015-07-11 → 2017-04-20 · 4 obs

● 2015-07-11 18:20:34
● 2017-04-20 06:04:14
○ 2026-03-02 08:53:04
○ 2026-07-25 12:17:54

●MXmx.simply.com2026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

○A93.191.155.12015-07-11 → 2017-04-20 · 4 obs

● 2015-07-11 18:20:34
● 2017-04-20 06:04:14
○ 2026-03-02 08:53:04
○ 2026-07-25 12:17:54

●A94.231.103.1632026-03-02 → 2026-07-25 · 3 obs

○ 2017-04-20 06:04:14
● 2026-03-02 08:53:04
● 2026-07-25 12:17:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.25.141.15

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: 1051ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.103.163`
NS	4	`ns1.simply.com, ns2.simply.com...`
MX	1	`mx.simply.com (pri: 10)`
TXT	1	`v=spf1 include:spf.simply.com -all`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

IP Addresses

jff.dk has exactly one IP address — 94.231.103.163.

webring.dk, twilightdanmark.dk, www.delfinen-magasin.dk plus two other host names have IP numbers in common with jff.dk.

Name Servers

Four name servers handle the delegation for jff.dk: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

jff.dk shares at least some of its name servers with other domains, including merkurwebbank.dk, mapping.dk, cky.dk and two others.

These name servers are frequently seen alongside the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Host names pointing to two IP addresses:

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

ns2.simply.com resolves to two addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names resolving to a single IP address:

The hostname ns3.simply.com resolves to 91.197.248.79.

The hostname ns4.simply.com resolves to 91.197.248.80.

Mail Servers

jff.dk uses one mail server — mx.simply.com.

The mail server setup of jff.dk matches that of other domains such as koderko.dk, thunoe.eu, kjaerby.dk and two others.

jff.dk shares at least some of its mail servers with other domains, such as lecons.dk.

mx.simply.com carries a single IP number, which is 94.231.106.20.