fernel.dk - dns.ninja

`fernel.dk`

DNSSEC	🔒 Signed (DS record present)
A	185.21.40.48^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`web29.123hotel.dk`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`mx1.onlinemail.io` ⭐
		A	185.21.42.12^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
			PTR	`mx1.onlinemail.io`
MX	`mx2.onlinemail.io`⁽²⁰⁾
		A	46.36.208.16^{🇩🇰 team-blue-denmark46.36.208.0/21}
			PTR	`mx2.onlinemail.io`
TXT	`v=spf1 include:spf.onlinemail.io ?all`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2021-11-17 #1

`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 1786075201localtime Fri Aug 7 06:00:01 2026gmtime Fri Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786075201

Subdomains

mail.fernel.dk

Same first word

fernel.dk

fernel.com

Similar names

enfler.com

fenler.com

freenl.xyz

nerfle.net

flener.at

nerfle.com

frelen.com

elfern.de

freeln.com

lefern.com

flener.com

felner.com

felner.net

lenfer.com

elfner.de

flener.net

elfner.ch

nfreel.com

frenel.ru

lefner.eu

elfner.eu

freeln.net

lnfree.cz

ferlen.it

felner.com.br

lenfer.ca

elfren.com

renfel.pl

flener.eu

elfner.com

nlfree.com

nelfer.com

DNS History

7 records (5 active, 2 former)

●NSns1.curanet.dk2015-08-19 → 2026-08-07 · 2 obs

● 2015-08-19 04:06:42
● 2026-08-07 04:55:16

●NSns2.curanet.dk2015-08-19 → 2026-08-07 · 2 obs

● 2015-08-19 04:06:42
● 2026-08-07 04:55:16

○MXbackup-mx.zitcom.dk2015-08-19 → 2017-03-16 · 4 obs

● 2015-08-19 04:06:42
● 2017-03-16 05:03:04
○ 2026-02-16 23:38:14
○ 2026-08-07 04:55:16

○MXmail.fernel.dk2015-08-19 → 2017-03-16 · 4 obs

● 2015-08-19 04:06:42
● 2017-03-16 05:03:04
○ 2026-02-16 23:38:14
○ 2026-08-07 04:55:16

●MXmx1.onlinemail.io2026-02-16 → 2026-08-07 · 3 obs

○ 2017-03-16 05:03:04
● 2026-02-16 23:38:14
● 2026-08-07 04:55:16

●MXmx2.onlinemail.io2026-02-16 → 2026-08-07 · 3 obs

○ 2017-03-16 05:03:04
● 2026-02-16 23:38:14
● 2026-08-07 04:55:16

●A185.21.40.482015-08-19 → 2026-08-07 · 2 obs

● 2015-08-19 04:06:42
● 2026-08-07 04:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, c.nic.dk, h.nic.dk, b.nic.dk...	-
fernel.dk	ns2.curanet.dk, ns1.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns2.curanet.dk, ns1.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1475ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.40.48`
NS	2	`ns2.curanet.dk, ns1.curanet.dk`
MX	2	`mx2.onlinemail.io (pri: 20), mx1.onlinemail.io (pri: 10)`
TXT	1	`v=spf1 include:spf.onlinemail.io ?all`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

Hierarchy

fernel.dk is the parent zone for mail.fernel.dk.

IP Addresses

fernel.dk has exactly one IP address — 185.21.40.48.

gi40.dk, danfarming.dk, mail.noka.dk plus two other host names have IP numbers in common with fernel.dk.

Name Servers

The NS records for fernel.dk delegate to ns1.curanet.dk and ns2.curanet.dk.

The name server configuration of fernel.dk is shared with other domains, for instance eyeclin.dk, caravancenter.dk, hjemlignemlig.dk and two others.

fernel.dk partially shares its NS delegation with several other domains, including it-factory.dk, fbm.se, transportnyhederne.dk and two others.

ns1.curanet.dk resolves to 185.25.141.12 and 2a02:2339:4006:108::123. Likewise, ns2.curanet.dk resolves to 91.197.248.75 and 2a02:2339:1:10f::123:123 — two IP addresses apiece.

Mail Servers

fernel.dk uses two mail servers, mx1.onlinemail.io and mx2.onlinemail.io.

The mail server setup of fernel.dk matches that of other domains such as mailmark.dk, silkeborgif.dk, acloseshave.dk and two others.

fernel.dk partially shares its mail servers with other domains, tectum.dk and joench.dk being examples.

mx1.onlinemail.io resolves to 185.21.42.12. mx2.onlinemail.io resolves to 46.36.208.16. Both host names point to a single IP number.