oksu.dk

📜 Historical scan 2026-08-08 14:37:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oksu.dk is a .dk domain served by 2 nameservers (elma.ns.cloudflare.com, jake.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.138 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by oksu-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
elma.ns.cloudflare.com	108.162.192.154 172.64.32.154 173.245.58.154 2606:4700:50::adf5:3a9a 2803:f800:50::6ca2:c09a 2a06:98c1:50::ac40:209a	elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.138	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	oksu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::f 52.101.68.27 52.101.73.153 52.101.73.16 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:a85a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3e8a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.138,172.67.168.90 ech=AEX+DQBBXAAgACBH5pfLr2dm5FubCRUNH5oF8OOVnC+r6Tg85GpjaavFDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a85a,2606:4700:3032::6815:3e8a

📝 TXT Records#

2 records 187ms

TXT Record
MS=ms40485913
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (oksu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 2026-10-11 07:05:51

www	94.231.106.182 (AS48854) (address records, no CNAME)
www vs bare domain	Same network oksu.dk: 94.231.106.182 (AS48854) www.oksu.dk: 94.231.106.182 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411656838
Primary NS (MNAME)	elma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

52ms

37ms

50ms

AAAA

53ms

TXT

187ms

CAA

47ms

HTTPS

47ms

TLSA

342ms

SOA

0ms

MTA-STS

77ms

DNSSEC

88ms

SRV

110ms

Total

1557ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:46:55	928ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 20:34:23	1192ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:18:02	1051ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 00:52:09	1716ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 14:37:59 shown	1557ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 20:17:01	1445ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 07:52:33	1195ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:39:09	979ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 23:27:27	1245ms	2 NS 2 A 1 MX	🔓 Insecure