sysmaster.dk - dns.ninja

`sysmaster.dk`

DNSSEC	⚠️ Not signed
A	93.90.1.187^{🇩🇰 GlobalConnect-AS3102793.90.0.0/20 Dyrup-Sanderum Antenneforening}
		PTR	`93-90-1-187.cpe.dsa-net.dk`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`sysmaster-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`mscid=eF7ooMYUBxfgWeXzlakakT1qtN1m6BgD+Zt1uBy9w8ZZMaksU+tcZDEkp7ZI8GI7FKUmh38...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=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 1780557662localtime Thu Jun 4 09:21:02 2026gmtime Thu Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1780557662

Same first word

sysmaster.dk

sysmaster.ir

sysmaster.com

sysmaster.co.kr

sysmaster.ru

sysmaster.com.br

sysmaster.hu

sysmaster.net

sysmaster.de

Similar names

DNS History

9 records (6 active, 3 former)

○NSns01.tdcwebmore.dk2015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 22:44:06
● 2017-05-27 00:34:52
○ 2026-03-24 07:34:50
○ 2026-06-04 07:48:12

○NSns02.tdcwebmore.dk2015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 22:44:06
● 2017-05-27 00:34:52
○ 2026-03-24 07:34:50
○ 2026-06-04 07:48:12

●NSns1.bdm.microsoftonline.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-05-27 00:34:52
● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

●NSns2.bdm.microsoftonline.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-05-27 00:34:52
● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

●NSns3.bdm.microsoftonline.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-05-27 00:34:52
● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

●NSns4.bdm.microsoftonline.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-05-27 00:34:52
● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

○MXexmx02.tdcwebmore.dk2015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 22:44:06
● 2017-05-27 00:34:52
○ 2026-03-24 07:34:50
○ 2026-06-04 07:48:12

●MXsysmaster-dk.mail.protection.outlook.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-05-27 00:34:52
● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

●A93.90.1.1872026-03-24 → 2026-06-04 · 2 obs

● 2026-03-24 07:34:50
● 2026-06-04 07:48:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
sysmaster.dk	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysmaster.dk (unsigned zone)

⏱️ Timing

Total: 1681ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.90.1.187`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`sysmaster-dk.mail.protection.outlook.com`
TXT	2	`mscid=eF7ooMYUBxfgWeXzlakakT1qtN1m6BgD+Z, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

IP Addresses

sysmaster.dk resolves to one IP address: 93.90.1.187.

Other host names, for instance mengj.dk, mail.mengj.dk and 93-90-1-187.cpe.dsa-net.dk share IP numbers with sysmaster.dk.

Name Servers

sysmaster.dk delegates DNS authority to 4 name servers — ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

sysmaster.dk has at least partial name server overlap with other domains, such as aptea.org, edwardrose.ca, blacklionnet.com and two others.

ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com all point to exactly two IP numbers each: ns1.bdm.microsoftonline.com → 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com → 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com → 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com → 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

Mail for sysmaster.dk is handled by a single mail server, sysmaster-dk.mail.protection.outlook.com.

sysmaster-dk.mail.protection.outlook.com resolves to 8 IP numbers — 52.101.68.12, 52.101.68.18, 52.101.73.8 plus five more.