holker.dk - robtex.com

holker.dk

DNSSEC🔒 Signed (DS record present)
A93.191.156.156🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S
PTRlinux268.unoeuro.com
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
PTRns1.simply.com
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
PTRns2.simply.com
NSns3.simply.com
A91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22
PTRns3.simply.com
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 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 1777848841localtime Mon May 4 00:54:01 2026gmtime Sun Ma...
SOAb.nic.dktech@punktum.dk serial=1777848841

Same first word

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holker.co.uk
holker.org

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DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.simply.comns2.simply.comns3.simply.comns4.simply.comns1.surf-town.netns2.surf-town.netns3.surf-town.netMXmx.simply.commail20.surf-town.netA93.191.156.156212.97.132.199
●NSns1.simply.com2026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02
○NSns1.surf-town.net2015-11-28 → 2017-07-19 · 4 obs
● 2015-11-28 06:25:26
● 2017-07-19 17:24:36
○ 2026-03-30 21:34:36
○ 2026-05-03 23:17:02
●NSns2.simply.com2026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02
○NSns2.surf-town.net2015-11-28 → 2017-07-19 · 4 obs
● 2015-11-28 06:25:26
● 2017-07-19 17:24:36
○ 2026-03-30 21:34:36
○ 2026-05-03 23:17:02
●NSns3.simply.com2026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02
○NSns3.surf-town.net2015-11-28 → 2017-07-19 · 4 obs
● 2015-11-28 06:25:26
● 2017-07-19 17:24:36
○ 2026-03-30 21:34:36
○ 2026-05-03 23:17:02
●NSns4.simply.com2026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02
○MXmail20.surf-town.net2015-11-28 → 2017-07-19 · 4 obs
● 2015-11-28 06:25:26
● 2017-07-19 17:24:36
○ 2026-03-30 21:34:36
○ 2026-05-03 23:17:02
●MXmx.simply.com2026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02
○A212.97.132.1992015-11-28 → 2017-07-19 · 4 obs
● 2015-11-28 06:25:26
● 2017-07-19 17:24:36
○ 2026-03-30 21:34:36
○ 2026-05-03 23:17:02
●A93.191.156.1562026-03-30 → 2026-05-03 · 3 obs
○ 2017-07-19 17:24:36
● 2026-03-30 21:34:36
● 2026-05-03 23:17:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
holker.dkns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com-

✅ Authoritative Response

Server:91.197.248.78

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: 993ms | Queries: -

📄 Records

TypeCountSample Data
A193.191.156.156
NS4ns4.simply.com, ns2.simply.com...
MX1mx.simply.com (pri: 10)
TXT1v=spf1 include:spf.simply.com ?all
SOA1ns1.simply.com hostmaster.simply.com

Analysis

IP Addresses

holker.dk maps to IP address 93.191.156.156.

Other host names, for instance lmindustriteknik.dk, www.chile-vin.dk, mail.dkhosting.dk, halsnaes.info and alfs-malerservice.dk share IP numbers with holker.dk.

Name Servers

holker.dk is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

holker.dk at least partially shares name servers with other domains such as dresmer.dk, honseriet.com, up-it.dk, guppycmp.com and silasholst.dk.

These name servers are commonly used with ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Host names with two IP numbers:

ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.

ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.

Host names with one IP number:

ns3.simply.com points to: 91.197.248.79.

ns4.simply.com points to: 91.197.248.80.

Mail Servers

holker.dk is handled by a single mail server, mx.simply.com.

holker.dk shares the same mail server setup as other domains, including strandberglarsen.dk, smeds.dk, forevigt.dk, stvalentin.dk and aalborgkoncertkor.dk.

mx.simply.com points to one IP number: 94.231.106.20.