systemgruppen.dk

Records from scan: 2026-10-15 19:38:54 · 849ms total · last checked 2026-10-16 20:31 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

systemgruppen.dk is a .dk domain served by 6 nameservers (ns10.dnsadmin.dk, ns11.dns-admin.dk, ns12.dnsadmin.dk and 3 more). It was registered on 23 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.106 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

6 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns10.dnsadmin.dk	208.94.148.4 2600:1800:10::1	ns10.dnsmadeeasy.com ns10.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns11.dns-admin.dk	208.80.124.4 2600:1801:11::1	ns11.dnsmadeeasy.com ns11.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns12.dnsadmin.dk	208.80.126.4 2600:1802:12::1	ns12.dnsmadeeasy.com ns12.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns13.dns-admin.dk	208.80.125.4 2600:1801:13::1	ns13.dnsmadeeasy.com ns13.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns14.dnsadmin.dk	208.80.127.4 2600:1802:14::1	ns14.dnsmadeeasy.com ns14.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns15.dns-admin.dk	208.94.149.4 2600:1800:15::1	ns15.dnsmadeeasy.com ns15.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC

🌍 A Records#

1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.106	3600s	prolinux5.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

4 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	dk.mx1.mailanyone.net	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	900s	dk.mx2.mx25.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.
30	900s	dk.mx3.mailanyone.net	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	900s	dk.mx4.mx25.net	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 156ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

7 records 319ms

TXT Record
_globalsign-domain-verification=0AMaKYEiAQWgn01rMKZMs1owS_77EId3fA55I-UrOe
_globalsign-domain-verification=7sAQTz55Oqg6cdg5q-WWI8g0wXkn9IC74bkHO49tsC
google-site-verification=AMk1TFtFMpGZgwenR--sdf2xxBFqM3CjitfNTOIkaak
MS=ms40724719
MS=ms54093480
v=spf1 a a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spfrerouting.xink.io -all
vpe=596ff814

✉️ SPF#

Policy	Record (systemgruppen.dk)
-all (hard fail)	v=spf1 a a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spfrerouting.xink.io -all

📨 DMARC#

Policy	Record (_dmarc.systemgruppen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:60103bc4cb787@dmarc.centerasecurity.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-15 19:38:54

www CNAME	systemgruppen.dk (all on systemgruppen.dk) → 185.21.42.106 (AS48854)
www vs bare domain	Same network systemgruppen.dk: 185.21.42.106 (AS48854) www.systemgruppen.dk: 185.21.42.106 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

8 records 136ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…

🔐 DNSSEC#

114ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

44ms

Field	Value
Serial	2009010190
Primary NS (MNAME)	ns20.digicertdns.com
Responsible (RNAME)	dns@digicertdns.com
Refresh	43200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration#

WHOIS fetched 2026-10-09 03:00:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-06-23
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

105ms

44ms

AAAA

97ms

TXT

319ms

CAA

53ms

HTTPS

116ms

TLSA

136ms

SOA

44ms

MTA-STS

54ms

DNSSEC

114ms

SRV

156ms

Total

849ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 19:38:54 shown	849ms	6 NS 1 A 4 MX	🔒 Secure
2026-10-14 18:24:58	1037ms	6 NS 1 A 4 MX	🔒 Secure
2026-10-12 16:57:18	873ms	6 NS 1 A 4 MX	🔒 Secure
2026-10-03 00:43:02	2685ms	6 NS 1 A 4 MX	🔒 Secure
2026-10-02 00:38:27	2180ms	6 NS 1 A 4 MX	🔒 Secure
2026-09-30 00:29:31	1897ms	6 NS 1 A 4 MX	🔒 Secure
2026-09-21 16:50:14	2256ms	6 NS 1 A 4 MX	🔒 Secure
2026-09-15 13:37:56	2092ms	6 NS 1 A 4 MX	🔒 Secure
2026-09-08 05:19:35	2700ms	6 NS 1 A 4 MX	🔒 Secure
2026-09-01 03:44:31	930ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-28 06:00:11	930ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-26 10:21:17	1424ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-21 19:08:45	1837ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-20 18:51:14	3242ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-19 09:28:09	10280ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-18 09:22:54	3721ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-15 10:03:53	1484ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-14 01:21:23	8448ms	6 NS 1 A 4 MX	🔒 Secure
2026-08-09 15:43:56	17769ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-27 05:34:59	10405ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-20 17:02:27	2939ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-19 09:31:15	4109ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-18 04:59:52	5310ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-16 17:23:57	3248ms	6 NS 1 A 4 MX	🔒 Secure
2026-07-03 10:19:09	3083ms	6 NS 1 A 4 MX	🔒 Secure