studiegruppen.dk

📜 Historical scan 2026-06-20 18:51:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studiegruppen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 13 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.70 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.70	3600s	linux48.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.103.70
🔶 Autoconfig	94.231.103.70

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

latest probe, not this scan · checked 2026-10-09 02:14:52

www	185.20.205.76 (AS48854) (address records, no CNAME)
www vs bare domain	Same network studiegruppen.dk: 185.20.205.76 (AS48854) www.studiegruppen.dk: 185.20.205.76 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

229ms

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

🏷️ SOA#

81ms

Field	Value
Serial	2023102600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 07:19:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-10-13
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

83ms

87ms

AAAA

84ms

TXT

365ms

CAA

85ms

HTTPS

82ms

TLSA

67ms

SOA

81ms

MTA-STS

111ms

DNSSEC

229ms

SRV

117ms

Total

791ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 01:36:58	398ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-01 01:26:40	440ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-25 20:46:15	460ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-14 09:56:58	2654ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-02 23:44:41	587ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-24 09:41:49	612ms	4 NS 1 A 0 MX	⚠️ Bogus
2026-06-20 18:51:46 shown	791ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-18 17:32:04	725ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-17 13:22:10	522ms	4 NS 1 A 0 MX	🔒 Secure