sysalert.dk - dns.ninja

`sysalert.dk`

DNSSEC	🔒 Signed (DS record present)
A	5.186.17.138^{🇩🇰 FIBIA-P-S5.186.0.0/16 SEAS-NVE IPv4 Network}
		PTR	`serveit.dk`
NS	`ns2.scannet2.dk` ⭐
		A	2a02:2339:1:112:0:5:1:b11^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.scannet.dk`
		A	91.197.248.72^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.scannet.dk`
NS	`ns.scannet2.dk`
		A	2a02:2339:4006:10d::4171:4171^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.scannet.dk`
		A	185.25.141.9^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.scannet.dk`
MX	`sysalert-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.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::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:5.186.17.138 include:spf.protection.outlook.com -all`
TXT	`MS=ms26459443`
SOA	`ns.scannet2.dk`hostmaster@scannet.dk 2026-06-17 #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 1786300920localtime Sun Aug 9 20:42:00 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786300920

PTR for

140.17.186.5.in-addr.arpa

Subdomains

mail.sysalert.dk

Same first word

sysalert.org

sysalert.dk

sysalert.net

Similar names

DNS History

7 records (4 active, 3 former)

●NSns.scannet2.dk2015-06-21 → 2026-08-09 · 2 obs

● 2015-06-21 21:18:16
● 2026-08-09 19:13:04

●NSns2.scannet2.dk2015-06-21 → 2026-08-09 · 2 obs

● 2015-06-21 21:18:16
● 2026-08-09 19:13:04

○MXmail.sysalert.dk2015-06-21 → 2018-11-06 · 4 obs

● 2015-06-21 21:18:16
● 2018-11-06 16:47:22
○ 2026-04-03 03:53:04
○ 2026-08-09 19:13:04

●MXsysalert-dk.mail.protection.outlook.com2026-04-03 → 2026-08-09 · 3 obs

○ 2018-11-06 16:47:22
● 2026-04-03 03:53:04
● 2026-08-09 19:13:04

○A5.103.29.712017-01-25 → 2018-11-06 · 5 obs

○ 2016-04-27 10:28:56
● 2017-01-25 20:29:36
● 2018-11-06 16:47:22
○ 2026-04-03 03:53:04
○ 2026-08-09 19:13:04

●A5.186.17.1382026-04-03 → 2026-08-09 · 3 obs

○ 2018-11-06 16:47:22
● 2026-04-03 03:53:04
● 2026-08-09 19:13:04

○A87.104.119.1712015-06-21 → 2016-04-27 · 4 obs

● 2015-06-21 21:18:16
● 2016-04-27 10:28:56
○ 2017-01-25 20:29:36
○ 2026-08-09 19:13:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, b.nic.dk, t.nic.dk, c.nic.dk...	-
sysalert.dk	ns.scannet2.dk, ns2.scannet2.dk	4 records

✅ Authoritative Response

Server:91.197.248.72

NS records: ns.scannet2.dk, ns2.scannet2.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.186.17.138`
NS	2	`ns.scannet2.dk, ns2.scannet2.dk`
MX	1	`sysalert-dk.mail.protection.outlook.com`
TXT	2	`v=spf1 ip4:5.186.17.138 include:spf.prot, MS=ms26459443`
SOA	1	`ns.scannet2.dk hostmaster.scannet.dk`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.scannet2.dk, ns.scannet2.dk, ns2.scannet2.dk...)

Analysis

Hierarchy

mail.sysalert.dk is delegated beneath sysalert.dk.

IP Addresses

sysalert.dk resolves to one IP address: 5.186.17.138.

Host names such as serve-it.dk, mail.serve-it.dk and mail.sysalert.dk share their IP numbers with sysalert.dk.

Name Servers

sysalert.dk has two authoritative name servers — ns2.scannet2.dk and ns.scannet2.dk.

sysalert.dk uses the same name servers as several other domains — among them 6630.dk, infoplan.dk, damas.com and two more.

There is at least partial name server overlap between sysalert.dk and other domains — fkc.as, mogm.de, dantechsupport.com and two more among them.

These name servers frequently co-occur with the name servers ns3.scannet2.dk and ns3.dandomain.dk.

Both ns2.scannet2.dk and ns.scannet2.dk have two IP addresses each. ns2.scannet2.dk resolves to 91.197.248.72 and 2a02:2339:1:112:0:5:1:b11; ns.scannet2.dk resolves to 185.25.141.9 and 2a02:2339:4006:10d::4171:4171.

Mail Servers

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

sysalert-dk.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.5, 52.101.68.16, 52.101.73.11 and 5 others.