firstec.dk - dns.ninja

firstec.dk

DNSSEC🔒 Signed (DS record present)
A46.30.215.127🇩🇰 ONECOM46.30.208.0/21 One.com A/S
PTRwebforward.webpod16-cph3.one.com
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXmx1.pub.mailpod11-cph3.one.com ⭐
A104.37.34.230🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx1.pub.mailpod11-cph3.one.com
MXmx2.pub.mailpod11-cph3.one.com ⭐
A104.37.34.231🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx2.pub.mailpod11-cph3.one.com
MXmx3.pub.mailpod11-cph3.one.com ⭐
A104.37.34.232🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx3.pub.mailpod11-cph3.one.com
MXmx4.pub.mailpod11-cph3.one.com ⭐
A104.37.34.233🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx4.pub.mailpod11-cph3.one.com
TXTv=spf1 -all
SOAns01.one.comhostmaster@one.com 2026-03-25 #1

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 1786709340localtime Fri Aug 14 14:09:00 2026gmtime Fri Au...
SOAb.nic.dktech@punktum.dk serial=1786709340

Same first word

firstec.co.nz
firstec.cn
firstec.co.uk
firstec.com
firstec.co.kr
firstec.dk
firstec.it
firstec.net

Similar names

ficrest.com
ecfirst.biz
cristef.it
ficster.com
fitrecs.com
cstfire.com
frtceis.com
crestfi.com
riftsec.com
firecst.com
cefirst.com
ecfirst.com
ecfirst.net
fetrics.com
sterfic.com
isfcert.it
secrift.com
fcertis.kz
isfcert.com
cristef.us
rcfeist.com
stcfire.com
tcsfire.com
cristef.net

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmx1.pub.mailpod11-cph3.one.commx2.pub.mailpod11-cph3.one.commx3.pub.mailpod11-cph3.one.commx4.pub.mailpod11-cph3.one.comA46.30.215.127185.10.10.802001:67c:3c0:12::5391.221.196.253
●NSns01.one.com2026-07-02 → 2026-08-14 · 3 obs
○ 2020-02-18 08:43:24
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
●NSns02.one.com2026-07-02 → 2026-08-14 · 3 obs
○ 2020-02-18 08:43:24
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
○NSns1.gratisdns.dk2015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
○NSns2.gratisdns.dk2015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
○NSns3.gratisdns.dk2015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
○NSns4.gratisdns.dk2015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
○NSns5.gratisdns.dk2015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
●MXmx1.pub.mailpod11-cph3.one.com2026-07-02 → 2026-08-14 · 2 obs
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
●MXmx2.pub.mailpod11-cph3.one.com2026-07-02 → 2026-08-14 · 2 obs
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
●MXmx3.pub.mailpod11-cph3.one.com2026-07-02 → 2026-08-14 · 2 obs
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
●MXmx4.pub.mailpod11-cph3.one.com2026-07-02 → 2026-08-14 · 2 obs
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
○A185.10.10.802020-02-18 → 2020-02-18 · 4 obs
○ 2017-02-13 15:07:32
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
○A2001:67c:3c0:12::532015-07-22 → 2020-02-18 · 4 obs
● 2015-07-22 06:52:04
● 2020-02-18 08:43:24
○ 2026-07-02 07:06:46
○ 2026-08-14 12:16:42
●A46.30.215.1272026-07-02 → 2026-08-14 · 3 obs
○ 2020-02-18 08:43:24
● 2026-07-02 07:06:46
● 2026-08-14 12:16:42
○A91.221.196.2532015-07-22 → 2017-02-13 · 4 obs
● 2015-07-22 06:52:04
● 2017-02-13 15:07:32
○ 2020-02-18 08:43:24
○ 2026-08-14 12:16:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
firstec.dkns01.one.com, ns02.one.com-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1038ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.215.127
NS2ns02.one.com, ns01.one.com
MX4mx1.pub.mailpod11-cph3.one.com (pri: 10), mx3.pub.mailpod11-cph3.one.com (pri: 10)...
TXT1v=spf1 -all
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

firstec.dk has exactly one IP address — 46.30.215.127.

www.internago.se, uzada.com, redovis.com plus two other host names have IP numbers in common with firstec.dk.

Name Servers

firstec.dk uses two name servers for its delegation: ns01.one.com and ns02.one.com.

The name server configuration of firstec.dk is shared with other domains, for instance yacreates.com, eax.dk, ipublish.be and two others.

The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

The four mail servers for firstec.dk are mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.

At least some of the mail servers used by firstec.dk are shared with other domains: amina.dk, hillborg.se, drfest.at and two others among them.

Four host names, each with one IP address: mx1.pub.mailpod11-cph3.one.com has 104.37.34.230, mx2.pub.mailpod11-cph3.one.com has 104.37.34.231, mx3.pub.mailpod11-cph3.one.com has 104.37.34.232 and mx4.pub.mailpod11-cph3.one.com has 104.37.34.233.