`granstrom.dk`

DNSSEC	⚠️ Not signed
A	77.247.64.12^{🇩🇰 RACKHOSTING-AS77.247.64.0/22}
		PTR	`vice.rackhosting.com`
NS	`dns1.rackhosting.com` ⭐ ⚠️ Not in parent delegation
		A	77.247.69.212^{🇩🇰 RACKHOSTING-AS77.247.68.0/22}
			PTR	`dns1.rackhosting.com`
NS	`dns2.rackhosting.com`
		A	45.32.187.211^{🇳🇱 AS-VULTR45.32.184.0/22 Vultr Assigned Prefix}
			PTR	`dns2.rackhosting.com`
NS	`dns3.rackhosting.com`
		A	77.247.69.213^{🇩🇰 RACKHOSTING-AS77.247.68.0/22}
			PTR	`dns3.rackhosting.com`
MX	`granstrom-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.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::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
MX	`mailfilter0.rackhosting.com`⁽¹⁰⁾
		A	77.247.73.194^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se0.rackhosting.com`
		A	77.247.73.195^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se1.rackhosting.com`
		A	77.247.73.196^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se2.rackhosting.com`
		A	77.247.73.197^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se3.rackhosting.com`
MX	`mailfilter1.rackhosting.com`⁽²⁰⁾
		A	77.247.73.198^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se0-1.rackhosting.com`
		A	77.247.73.199^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se1-1.rackhosting.com`
		A	77.247.73.200^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se2-1.rackhosting.com`
		A	77.247.73.201^{🇩🇰 RACKHOSTING-AS77.247.72.0/22}
			PTR	`mailfilter-se3-1.rackhosting.com`
TXT	`MS=ms48018950`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`dns1.rackhosting.com`michael@granstrom.dk serial=1661941527

`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 1785213361localtime Tue Jul 28 06:36:01 2026gmtime Tue Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1785213361

Same first word

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DNS History

7 records (7 active, 0 former)

●NSdns1.rackhosting.com2015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

●NSdns2.rackhosting.com2015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

●NSdns3.rackhosting.com2015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

●MXgranstrom-dk.mail.protection.outlook.com2026-06-13 → 2026-07-28 · 3 obs

○ 2015-08-20 16:47:28
● 2026-06-13 05:54:06
● 2026-07-28 04:53:26

●MXmailfilter0.rackhosting.com2015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

●MXmailfilter1.rackhosting.com2015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

●A77.247.64.122015-08-20 → 2026-07-28 · 2 obs

● 2015-08-20 16:47:28
● 2026-07-28 04:53:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
granstrom.dk	dns2.rackhosting.com, dns3.rackhosting.com	-

✅ Authoritative Response

Server:45.32.187.211

NS records: dns2.rackhosting.com, dns3.rackhosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for granstrom.dk (unsigned zone)

⏱️ Timing

Total: 757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.247.64.12`
NS	3	`dns3.rackhosting.com, dns2.rackhosting.com...`
MX	3	`mailfilter1.rackhosting.com (pri: 20), mailfilter0.rackhosting.com (pri: 10)...`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms48018950`
SOA	1	`dns1.rackhosting.com michael.granstrom.d`

Analysis

IP Addresses

granstrom.dk points to a single IP number: 77.247.64.12.

Additional host names — demosalg.dk, future-light.dk, djworld.dk and two others — share IP numbers with granstrom.dk.

Name Servers

The authoritative name servers for granstrom.dk are dns1.rackhosting.com, dns2.rackhosting.com and dns3.rackhosting.com — three in total.

The name servers of granstrom.dk overlap at least partially with those of other domains — among them 108.150.194.in-addr.arpa, masternet.dk, gallerier.dk and two more.

The hostnames dns1.rackhosting.com, dns2.rackhosting.com and dns3.rackhosting.com each resolve to a single IP: dns1.rackhosting.com → 77.247.69.212, dns2.rackhosting.com → 45.32.187.211, dns3.rackhosting.com → 77.247.69.213.