`behandlingssikring.dk`

DNSSEC	🔒 Signed (DS record present)
A	87.57.241.43^{🇩🇰 TDC87.57.0.0/16}
		PTR	`87-57-241-43-static.dk.customer.tdc.net`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.spamfilter.cc` ⭐
		A	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	95.179.139.219^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.139.219.vultrusercontent.com`
		A	95.179.218.56^{🇫🇷 AS-VULTR95.179.208.0/20 Vultr Assigned Prefix}
			PTR	`puertomarket.tempurl.host`
MX	`mx2.spamfilter.cc` ⭐
		A	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	95.179.139.219^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.139.219.vultrusercontent.com`
		A	95.179.218.56^{🇫🇷 AS-VULTR95.179.208.0/20 Vultr Assigned Prefix}
			PTR	`puertomarket.tempurl.host`
MX	`mx3.spamfilter.cc`⁽²⁰⁾
		A	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	95.179.139.219^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.139.219.vultrusercontent.com`
		A	95.179.218.56^{🇫🇷 AS-VULTR95.179.208.0/20 Vultr Assigned Prefix}
			PTR	`puertomarket.tempurl.host`
TXT	`v=spf1 include:_include.mxhotel.dk -all`
SOA	`ns01.one.com`hostmaster@one.com 2026-03-24 #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 1777672621localtime Fri May 1 23:57:01 2026gmtime Fri Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1777672621

Subdomains

mail.behandlingssikring.dk

Same first word

behandlingssikring.dk

DNS History

14 records (6 active, 8 former)

●NSns01.one.com2026-03-03 → 2026-05-01 · 3 obs

○ 2017-09-29 19:38:02
● 2026-03-03 04:42:14
● 2026-05-01 22:25:28

●NSns02.one.com2026-03-03 → 2026-05-01 · 3 obs

○ 2017-09-29 19:38:02
● 2026-03-03 04:42:14
● 2026-05-01 22:25:28

○NSns1.gratisdns.dk2008-11-23 → 2017-09-29 · 4 obs

● 2008-11-23 02:38:02
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

○NSns2.gratisdns.dk2008-11-23 → 2017-09-29 · 4 obs

● 2008-11-23 02:38:02
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

○NSns3.gratisdns.dk2008-11-23 → 2017-09-29 · 4 obs

● 2008-11-23 02:38:02
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

○NSns4.gratisdns.dk2008-11-23 → 2017-09-29 · 4 obs

● 2008-11-23 02:38:02
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

○NSns5.gratisdns.dk2008-11-23 → 2017-09-29 · 4 obs

● 2008-11-23 02:38:02
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

○MXmail.behandlingssikring.dk2008-11-23 → 2008-11-23 · 3 obs

● 2008-11-23 02:38:02
○ 2015-07-20 18:35:46
○ 2026-05-01 22:25:28

●MXmx1.spamfilter.cc2015-07-20 → 2026-05-01 · 3 obs

○ 2008-11-23 02:38:02
● 2015-07-20 18:35:46
● 2026-05-01 22:25:28

●MXmx2.spamfilter.cc2015-07-20 → 2026-05-01 · 3 obs

○ 2008-11-23 02:38:02
● 2015-07-20 18:35:46
● 2026-05-01 22:25:28

●MXmx3.spamfilter.cc2015-07-20 → 2026-05-01 · 3 obs

○ 2008-11-23 02:38:02
● 2015-07-20 18:35:46
● 2026-05-01 22:25:28

○A130.225.131.512008-11-23 → 2008-11-23 · 3 obs

● 2008-11-23 02:38:02
○ 2015-07-20 18:35:46
○ 2026-05-01 22:25:28

●A87.57.241.432026-03-03 → 2026-05-01 · 3 obs

○ 2017-09-29 19:38:02
● 2026-03-03 04:42:14
● 2026-05-01 22:25:28

○A90.185.238.132015-07-20 → 2017-09-29 · 5 obs

○ 2008-11-23 02:38:02
● 2015-07-20 18:35:46
● 2017-09-29 19:38:02
○ 2026-03-03 04:42:14
○ 2026-05-01 22:25:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
behandlingssikring.dk	ns01.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: 1348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.57.241.43`
NS	2	`ns01.one.com, ns02.one.com`
MX	3	`mx3.spamfilter.cc (pri: 20), mx1.spamfilter.cc (pri: 10)...`
TXT	1	`v=spf1 include:_include.mxhotel.dk -all`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

The parent of mail.behandlingssikring.dk is behandlingssikring.dk.

IP Addresses

behandlingssikring.dk points to a single IP number: 87.57.241.43.

Other host names, for instance gaab.dk, comp35.danphd.dk, digital-billeder.dk, unlockme.unlockme.dk and billig-julegave.dk share IP numbers with behandlingssikring.dk.

Name Servers

behandlingssikring.dk is delegated to two name servers: ns01.one.com and ns02.one.com.

behandlingssikring.dk uses the same name server setup as other domains, for instance devalec.be, andersskogsservice.se, arnakke.dk, wohnimpuls-immostudio.at and siedlung-gruenau.de.

Host names with two IP numbers:

The host ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10.

The host ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

behandlingssikring.dk is handled by three mail servers: mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc.

behandlingssikring.dk shares some mail servers with other domains, including hildigunn.dk, smart-energy.dk, nilsemil.dk, eurogame.dk and spamfilter.cc.