back-bone.dk - dns.ninja

`back-bone.dk`

DNSSEC	🔒 Signed (DS record present)
NS	`ns2.dandomain.dk` ⭐
		A	2a02:2339:1:108::dd:dd^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.dandomain.dk`
		A	91.197.248.66^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.dandomain.dk`
NS	`ns.dandomain.dk`
		A	2a02:2339:4006:109::dd^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns.dandomain.dk`
		A	185.25.141.3^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns.dandomain.dk`
MX	`backbone-dk01b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.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::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
TXT	`MS=ms48593654`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns.dandomain.dk`hostmaster@dandomain.dk 2025-01-21 #29

`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 1785845880localtime Tue Aug 4 14:18:00 2026gmtime Tue Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1785845881

Same first word

back-bone.ca

back-bone.org

back-bone.at

back-bone.nl

back-bone.dk

DNS History

8 records (3 active, 5 former)

●NSns.dandomain.dk2015-06-11 → 2026-08-04 · 2 obs

● 2015-06-11 04:55:16
● 2026-08-04 12:45:40

●NSns2.dandomain.dk2015-06-11 → 2026-08-04 · 2 obs

● 2015-06-11 04:55:16
● 2026-08-04 12:45:40

○NSns3.dandomain.dk2015-06-11 → 2016-12-06 · 4 obs

● 2015-06-11 04:55:16
● 2016-12-06 23:39:32
○ 2026-02-18 05:41:04
○ 2026-08-04 12:45:40

●MXbackbone-dk01b.mail.protection.outlook.com2026-02-18 → 2026-08-04 · 3 obs

○ 2016-12-06 23:39:32
● 2026-02-18 05:41:04
● 2026-08-04 12:45:40

○MXcluster4.eu.messagelabs.com2015-06-11 → 2016-12-06 · 4 obs

● 2015-06-11 04:55:16
● 2016-12-06 23:39:32
○ 2026-02-18 05:41:04
○ 2026-08-04 12:45:40

○MXdeframx26.softcom.dk2015-06-11 → 2016-12-06 · 4 obs

● 2015-06-11 04:55:16
● 2016-12-06 23:39:32
○ 2026-02-18 05:41:04
○ 2026-08-04 12:45:40

○MXwebmail.back-bone.dk2015-06-11 → 2016-12-06 · 4 obs

● 2015-06-11 04:55:16
● 2016-12-06 23:39:32
○ 2026-02-18 05:41:04
○ 2026-08-04 12:45:40

○A78.111.168.2512015-06-11 → 2016-12-06 · 4 obs

● 2015-06-11 04:55:16
● 2016-12-06 23:39:32
○ 2026-02-18 05:41:04
○ 2026-08-04 12:45:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
back-bone.dk	ns.dandomain.dk, ns2.dandomain.dk	4 records

✅ Authoritative Response

Server:91.197.248.66

NS records: ns.dandomain.dk, ns2.dandomain.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 642ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns.dandomain.dk, ns2.dandomain.dk`
MX	1	`backbone-dk01b.mail.protection.outlook.c`
TXT	2	`MS=ms48593654, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns.dandomain.dk hostmaster.dandomain.dk`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.dandomain.dk, ns2.dandomain.dk, ns.dandomain.dk...)

Analysis

Name Servers

back-bone.dk uses two name servers for its delegation: ns2.dandomain.dk and ns.dandomain.dk.

back-bone.dk uses the same name servers as several other domains — among them 1stroke.dk, bingco.dk, boardsearch.biz and two more.

back-bone.dk has at least partial name server overlap with other domains, such as piecespoelegranules.fr, neye.world, klitbo.com and two others.

It is common to find these name servers paired with the name servers ns3.dandomain.dk.

The two host names ns2.dandomain.dk and ns.dandomain.dk each have a pair of IP addresses: ns2.dandomain.dk has 91.197.248.66 and 2a02:2339:1:108::dd:dd, and ns.dandomain.dk has 185.25.141.3 and 2a02:2339:4006:109::dd.

Mail Servers

Mail for back-bone.dk is handled by a single mail server, backbone-dk01b.mail.protection.outlook.com.

backbone-dk01b.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.15, 52.101.68.25, 52.101.68.36 and 5 others.