systematic.dk - dns.ninja

`systematic.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9bd3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:40cd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.205^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.211^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rajeev.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rajeev.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rajeev.ns.cloudflare.com`
		A	108.162.193.224^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	172.64.33.224^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	173.245.59.224^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
NS	`selah.ns.cloudflare.com`
		A	2606:4700:50::a29f:2615^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c215^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`selah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2215^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`selah.ns.cloudflare.com`
		A	108.162.194.21^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	162.159.38.21^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	172.64.34.21^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
MX	`systematic-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::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.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	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.205, 172.67.155.211
		IPv6 hints	2606:4700:3034::ac43:9bd3, 2606:4700:3035::6815:40cd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOA	`rajeev.ns.cloudflare.com`dns@cloudflare.com serial=2406181526

`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 1782660781localtime Sun Jun 28 17:33:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782660781

WOT: SAFE (66/100)

Subdomains

www.systematic.dk

Same first word

Similar names

testmyisac.com

mycatssite.com

itacsystem.com

mysticteas.com

actisystem.com

icatsystem.com

actisystem.net

DNS History

17 records (7 active, 10 former)

○NSns1.ascio.net2015-07-11 → 2018-08-17 · 4 obs

● 2015-07-11 13:38:58
● 2018-08-17 22:58:56
○ 2026-02-17 17:47:38
○ 2026-06-28 15:38:16

○NSns2.ascio.net2015-07-11 → 2018-08-17 · 4 obs

● 2015-07-11 13:38:58
● 2018-08-17 22:58:56
○ 2026-02-17 17:47:38
○ 2026-06-28 15:38:16

○NSns3.ascio.net2015-07-11 → 2018-08-17 · 4 obs

● 2015-07-11 13:38:58
● 2018-08-17 22:58:56
○ 2026-02-17 17:47:38
○ 2026-06-28 15:38:16

●NSrajeev.ns.cloudflare.com2026-02-17 → 2026-06-28 · 3 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-06-28 15:38:16

●NSselah.ns.cloudflare.com2026-02-17 → 2026-06-28 · 3 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-06-28 15:38:16

●MXsystematic-dk.mail.protection.outlook.com2015-07-11 → 2026-06-28 · 2 obs

● 2015-07-11 13:38:58
● 2026-06-28 15:38:16

●A104.21.64.2052026-02-17 → 2026-06-28 · 8 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-04-08 20:21:02
○ 2026-05-04 22:14:08
● 2026-05-08 18:43:06
● 2026-05-29 03:21:48
○ 2026-06-05 21:46:18
● 2026-06-28 15:38:16

●A172.67.155.2112026-02-17 → 2026-06-28 · 8 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-04-08 20:21:02
○ 2026-05-04 22:14:08
● 2026-05-08 18:43:06
● 2026-05-29 03:21:48
○ 2026-06-05 21:46:18
● 2026-06-28 15:38:16

○A185.200.72.2012018-04-22 → 2018-08-17 · 5 obs

○ 2017-05-20 04:10:14
● 2018-04-22 17:16:24
● 2018-08-17 22:58:56
○ 2026-02-17 17:47:38
○ 2026-06-28 15:38:16

○A188.114.96.02026-05-04 → 2026-06-05 · 6 obs

○ 2026-04-08 20:21:02
● 2026-05-04 22:14:08
○ 2026-05-08 18:43:06
○ 2026-05-29 03:21:48
● 2026-06-05 21:46:18
○ 2026-06-28 15:38:16

○A188.114.97.02026-05-04 → 2026-06-05 · 6 obs

○ 2026-04-08 20:21:02
● 2026-05-04 22:14:08
○ 2026-05-08 18:43:06
○ 2026-05-29 03:21:48
● 2026-06-05 21:46:18
○ 2026-06-28 15:38:16

○A212.97.130.2382015-07-11 → 2017-05-20 · 4 obs

● 2015-07-11 13:38:58
● 2017-05-20 04:10:14
○ 2018-04-22 17:16:24
○ 2026-06-28 15:38:16

○A2606:4700:3030::ac43:9bd32026-02-17 → 2026-05-29 · 5 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-05-29 03:21:48
○ 2026-06-05 21:46:18
○ 2026-06-28 15:38:16

●A2606:4700:3034::ac43:9bd32026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-05 21:46:18
● 2026-06-28 15:38:16

●A2606:4700:3035::6815:40cd2026-02-17 → 2026-06-28 · 5 obs

○ 2018-08-17 22:58:56
● 2026-02-17 17:47:38
● 2026-05-29 03:21:48
○ 2026-06-05 21:46:18
● 2026-06-28 15:38:16

○A2a06:98c1:3120::2026-06-05 → 2026-06-05 · 3 obs

○ 2026-05-29 03:21:48
● 2026-06-05 21:46:18
○ 2026-06-28 15:38:16

○A2a06:98c1:3121::2026-06-05 → 2026-06-05 · 3 obs

○ 2026-05-29 03:21:48
● 2026-06-05 21:46:18
○ 2026-06-28 15:38:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	t.nic.dk, h.nic.dk, b.nic.dk, c.nic.dk...	-
systematic.dk	selah.ns.cloudflare.com, rajeev.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.224

NS records: selah.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systematic.dk (unsigned zone)

⏱️ Timing

Total: 698ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.205, 172.67.155.211`
AAAA	2	`2606:4700:3034::ac43:9bd3, 2606:4700:3035::6815:40cd`
NS	2	`rajeev.ns.cloudflare.com, selah.ns.cloudflare.com`
MX	1	`systematic-dk.mail.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rajeev.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

www.systematic.dk is a subdomain of systematic.dk.

IP Addresses

systematic.dk points to the four IP addresses 104.21.64.205, 172.67.155.211, 2606:4700:3034::ac43:9bd3 and 2606:4700:3035::6815:40cd.

Two other host names, along with omhc.nl, sunda787adha.com and angiri.com, also share IP numbers with systematic.dk.

Name Servers

systematic.dk is delegated to two name servers: rajeev.ns.cloudflare.com and selah.ns.cloudflare.com.

systematic.dk shares its NS records with other domains, for example systematic.no, folkebibliotek.dk, alipaayy.com and two others.

The name servers of systematic.dk overlap at least partially with those of other domains — among them what(0x6675636b).asia, minifootball.pl, ailbe.org and two more.

These name servers commonly appear in combination with the name servers sreeni.ns.cloudflare.com.

DNS names with 6 IP addresses:

rajeev.ns.cloudflare.com resolves to 108.162.193.224, 172.64.33.224, 173.245.59.224 and 3 other IP addresses.

selah.ns.cloudflare.com resolves to 108.162.194.21, 162.159.38.21, 172.64.34.21 and 3 other IP addresses.

Mail Servers

The sole mail server for systematic.dk is systematic-dk.mail.protection.outlook.com.

With 8 IP addresses total, systematic-dk.mail.protection.outlook.com resolves to 52.101.68.8, 52.101.73.12, 52.101.73.22 and 5 others.