instruktorinfo.dk

📜 Historical scan 2026-06-21 12:12:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

instruktorinfo.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 12 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.143 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#

3 records 91ms

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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.143	3600s	linux258.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.143
🔶 Autoconfig	93.191.156.143

🔷 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 2026-10-12 04:37:41

www	93.191.156.143 (AS48854) (address records, no CNAME)
www vs bare domain	Same network instruktorinfo.dk: 93.191.156.143 (AS48854) www.instruktorinfo.dk: 93.191.156.143 (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#

194ms

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

🏷️ SOA#

90ms

Field	Value
Serial	2024021300
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 2026-10-07 13:21:08

Field	Value
Registrar	Simply.com A/S
Registered	2024-02-12
Expires	2027-02-11 (112d)

📋 WHOIS#

⏱️ Lookup Timing#

91ms

96ms

84ms

AAAA

95ms

TXT

435ms

CAA

101ms

HTTPS

97ms

TLSA

183ms

SOA

90ms

MTA-STS

165ms

DNSSEC

194ms

SRV

158ms

Total

916ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 16:03:34	538ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-16 12:49:37	438ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-26 09:26:30	500ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-25 20:45:59	477ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-24 09:31:19	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 12:12:44 shown	916ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-21 11:04:43	992ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 04:33:04	1031ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-17 15:19:58	278ms	0 NS 0 A 0 MX	❓ Unknown