instudio.dk

📜 Historical scan 2026-08-27 13:48:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

instudio.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 18 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.78 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, 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#

3 records 58ms

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

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.78	3600s	linux400.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.78
🔶 Autoconfig	185.20.205.78

🔷 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 2026-10-04 03:39:35

www	Address record (no CNAME)
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#

153ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026050100
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 2026-10-04 04:23:02

Field	Value
Registrar	Simply.com A/S
Registered	2026-02-18
Expires	2027-02-17 (122d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

41ms

69ms

AAAA

72ms

TXT

210ms

CAA

90ms

HTTPS

40ms

TLSA

35ms

SOA

0ms

MTA-STS

121ms

DNSSEC

153ms

SRV

94ms

Total

544ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 03:39:35	320ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-01 03:27:02	384ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-27 13:48:52 shown	544ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-28 08:20:57	654ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-18 17:19:00	520ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 15:11:36	268ms	0 NS 0 A 0 MX	❓ Unknown