stuskolen.dk

Records from scan: 2026-10-12 14:02:46 · 993ms total · last checked 2026-10-17 01:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stuskolen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.253 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by stuskolen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

4 records 32ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.253	43200s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	stuskolen-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca48::10 52.101.185.114 52.101.209.153 52.101.68.29 52.101.91.156	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:3c0:12::53	3600s	—	AS51468	One.com A/S	2001:67c:3c0:0:0:0:0:0/48	🇩🇰 Denmark	—

🔐 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#

checked 2026-10-12 14:02:46

www	91.221.196.253 2001:67c:3c0:12::53 (AS51468) (address records, no CNAME)
www vs bare domain	Same network stuskolen.dk: 91.221.196.253 2001:67c:3c0:12::53 (AS51468) www.stuskolen.dk: 91.221.196.253 2001:67c:3c0:12::53 (AS51468)
Wildcard	No
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#

60ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

35ms

AAAA

32ms

TXT

112ms

CAA

50ms

HTTPS

27ms

TLSA

653ms

SOA

31ms

MTA-STS

46ms

DNSSEC

60ms

SRV

51ms

Total

993ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:02:46 shown	993ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:30:19	1359ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 21:53:06	4515ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-14 05:58:12	854ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-09 00:15:04	6466ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 10:12:21	1066ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:45:07	4593ms	4 NS 1 A 1 MX	🔒 Secure