keyback.dk - dns.ninja

keyback.dk

DNSSEC🔒 Signed (DS record present)
A5.9.105.215🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
PTRodin.pageone.dk
NSns1.simply.com ⭐
A2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36
PTRns1.simply.com
A91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22
NSns2.simply.com
A2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34
PTRns2.simply.com
A185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S
NSns3.simply.com
A91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22
NSns4.simply.com
A91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22
PTRns4.simply.com
MXmx.simply.com ⭐
A94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRmx.simply.com
TXTv=spf1 ip4:5.9.105.215 include:spf.simply.com -all
SOAns1.simply.comhostmaster@simply.com 2025-04-23 #0

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1782624421localtime Sun Jun 28 07:27:01 2026gmtime Sun Ju...
SOAb.nic.dktech@punktum.dk serial=1782624421

Subdomains

mail.keyback.dk

Same first word

keyback.at
keyback.ch
keyback.io
keyback.se
keyback.no
keyback.dk
keyback.com
keyback.de

Similar names

backkey.com

DNS History

19 records (6 active, 13 former)

20162017201820192020202120222023202420252026NSns1.simply.comns2.simply.comns3.simply.comns4.simply.comns1.gratisdns.dkns1.unoeuro.comns2.gratisdns.dkns2.unoeuro.comns3.gratisdns.dkns3.unoeuro.comns4.gratisdns.dkns4.unoeuro.comns5.gratisdns.dkMXmx.simply.commail.keyback.dkmx.unoeuro.comA5.9.105.215178.20.222.85178.20.222.92
○NSns1.gratisdns.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
●NSns1.simply.com2026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22
○NSns1.unoeuro.com2017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
○NSns2.gratisdns.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
●NSns2.simply.com2026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22
○NSns2.unoeuro.com2017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
○NSns3.gratisdns.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
●NSns3.simply.com2026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22
○NSns3.unoeuro.com2017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
○NSns4.gratisdns.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
●NSns4.simply.com2026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22
○NSns4.unoeuro.com2017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
○NSns5.gratisdns.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
○MXmail.keyback.dk2015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
●MXmx.simply.com2026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22
○MXmx.unoeuro.com2017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
○A178.20.222.852015-07-07 → 2016-06-20 · 4 obs
● 2015-07-07 07:54:28
● 2016-06-20 13:26:08
○ 2017-08-31 02:30:06
○ 2026-06-28 05:57:22
○A178.20.222.922017-08-31 → 2017-08-31 · 4 obs
○ 2016-06-20 13:26:08
● 2017-08-31 02:30:06
○ 2026-02-17 11:02:56
○ 2026-06-28 05:57:22
●A5.9.105.2152026-02-17 → 2026-06-28 · 3 obs
○ 2017-08-31 02:30:06
● 2026-02-17 11:02:56
● 2026-06-28 05:57:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkc.nic.dk, l.nic.dk, t.nic.dk, s.nic.dk...-
keyback.dkns4.simply.com, ns1.simply.com, ns2.simply.com, ns3.simply.com-

✅ Authoritative Response

Server:91.197.248.79

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

TypeCountSample Data
A15.9.105.215
NS4ns3.simply.com, ns1.simply.com...
MX1mx.simply.com (pri: 10)
TXT1v=spf1 ip4:5.9.105.215 include:spf.simpl
SOA1ns1.simply.com hostmaster.simply.com

Analysis

Hierarchy

keyback.dk is a parent domain of mail.keyback.dk.

IP Addresses

keyback.dk points to a single IP number: 5.9.105.215.

Additional host names — bioheat.dk, restaurantsalg.dk, svende.eu and two others — share IP numbers with keyback.dk.

Name Servers

keyback.dk has four authoritative name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

keyback.dk shares at least some of its name servers with other domains, including mymc.dk, hjw.dk, tollestrup.dk and two others.

These name servers are frequently seen alongside the name servers ns1.unoeuro.com.

Host names with two IP numbers:

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 pointing 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

keyback.dk has one mail server: mx.simply.com.

keyback.dk shares the same mail server setup as other domains, including rhymes.dk, bendirecords.com, pastamaskiner.dk and two others.

keyback.dk shares at least some of its mail servers with other domains, such as drivestudios.dk and nord-digital.dk.

These mail servers are frequently paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

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