`crossingborders.dk`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:101:80c9:b394:41a3:4110^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	77.111.240.249^{🇩🇰 ONECOM77.111.240.0/22 One.com A/S}
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	`crossingborders-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
MX	`aspmx.l.google.com`⁽¹⁾
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
TXT	`MS=ms79594721`
SOA	`ns01.one.com`hostmaster@one.com 2026-03-30 #4

`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 1777035961localtime Fri Apr 24 15:06:01 2026gmtime Fri Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1777035961

Subdomains

www.crossingborders.dk

Same first word

crossingborders.info

crossingborders.com.mx

crossingborders.jp

crossingborders.life

crossingborders.com.au

crossingborders.education

crossingborders.dk

crossingborders.net

crossingborders.ch

Similar names

bordercrossings.org.uk

DNS History

14 records (10 active, 4 former)

●NSns01.one.com2015-05-07 → 2026-04-24 · 2 obs

● 2015-05-07 11:51:52
● 2026-04-24 13:23:58

●NSns02.one.com2015-05-07 → 2026-04-24 · 2 obs

● 2015-05-07 11:51:52
● 2026-04-24 13:23:58

●MXalt1.aspmx.l.google.com2017-10-17 → 2026-04-24 · 3 obs

○ 2016-11-29 04:32:10
● 2017-10-17 11:33:30
● 2026-04-24 13:23:58

●MXalt2.aspmx.l.google.com2017-10-17 → 2026-04-24 · 3 obs

○ 2016-11-29 04:32:10
● 2017-10-17 11:33:30
● 2026-04-24 13:23:58

●MXalt3.aspmx.l.google.com2017-10-17 → 2026-04-24 · 3 obs

○ 2016-11-29 04:32:10
● 2017-10-17 11:33:30
● 2026-04-24 13:23:58

●MXalt4.aspmx.l.google.com2026-03-15 → 2026-04-24 · 3 obs

○ 2017-10-17 11:33:30
● 2026-03-15 09:46:42
● 2026-04-24 13:23:58

●MXaspmx.l.google.com2017-10-17 → 2026-04-24 · 3 obs

○ 2016-11-29 04:32:10
● 2017-10-17 11:33:30
● 2026-04-24 13:23:58

●MXcrossingborders-dk.mail.protection.outlook.com2026-03-15 → 2026-04-24 · 3 obs

○ 2017-10-17 11:33:30
● 2026-03-15 09:46:42
● 2026-04-24 13:23:58

○MXmxcluster1.one.com2015-05-07 → 2016-11-29 · 4 obs

● 2015-05-07 11:51:52
● 2016-11-29 04:32:10
○ 2017-10-17 11:33:30
○ 2026-04-24 13:23:58

○MXmxcluster2.one.com2015-05-07 → 2016-11-29 · 4 obs

● 2015-05-07 11:51:52
● 2016-11-29 04:32:10
○ 2017-10-17 11:33:30
○ 2026-04-24 13:23:58

●A2a02:2350:5:101:80c9:b394:41a3:41102026-03-15 → 2026-04-24 · 3 obs

○ 2017-10-17 11:33:30
● 2026-03-15 09:46:42
● 2026-04-24 13:23:58

○A46.30.212.632015-05-07 → 2016-04-17 · 4 obs

● 2015-05-07 11:51:52
● 2016-04-17 11:09:16
○ 2016-11-29 04:32:10
○ 2026-04-24 13:23:58

○A46.30.213.1722016-11-29 → 2017-10-17 · 5 obs

○ 2016-04-17 11:09:16
● 2016-11-29 04:32:10
● 2017-10-17 11:33:30
○ 2026-03-15 09:46:42
○ 2026-04-24 13:23:58

●A77.111.240.2492026-03-15 → 2026-04-24 · 3 obs

○ 2017-10-17 11:33:30
● 2026-03-15 09:46:42
● 2026-04-24 13:23:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
crossingborders.dk	ns02.one.com, ns01.one.com	-

✅ Authoritative Response

Server:195.206.121.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 655ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.111.240.249`
AAAA	1	`2a02:2350:5:101:80c9:b394:41a3:4110`
NS	2	`ns01.one.com, ns02.one.com`
MX	6	`crossingborders-dk.mail.protection.outlo, alt2.aspmx.l.google.com (pri: 5)...`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms79594721`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

The parent of www.crossingborders.dk is crossingborders.dk.

IP Addresses

Two IP numbers are pointed to by crossingborders.dk: 2a02:2350:5:101:80c9:b394:41a3:4110 and 77.111.240.249.

other host names include serinci.dk, karinaszoneterapi.dk, dc-service.se, maddoc.se and www.crossingborders.dk; they share IP numbers with crossingborders.dk.

Name Servers

Two name servers ns01.one.com and ns02.one.com handle the delegation for crossingborders.dk.

crossingborders.dk shares the same name server setup as other domains, for instance ffdenmark.dk, r-tec.se, amagerslaegt.dk, lualuc.com and byggepladen.dk.

Host names with two IP numbers:

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

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

Mail Servers

Six mail servers handle crossingborders.dk: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and crossingborders-dk.mail.protection.outlook.com.

crossingborders.dk shares at least partially some mail servers with other domains, for instance oscilloscope.net, nwbbc.com, spott.be, overskies.com and victor.al.