mju.dk

📜 Historical scan 2026-08-25 05:56:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mju.dk is a .dk domain served by 2 nameservers (piper.ns.cloudflare.com, ruben.ns.cloudflare.com). It was registered on 26 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mju-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

2 records 114ms

Nameserver	IP addresses	PTR	ASN / ISP
piper.ns.cloudflare.com	108.162.194.35 162.159.38.35 172.64.34.35 2606:4700:50::a29f:2623 2803:f800:50::6ca2:c223 2a06:98c1:50::ac40:2223	piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com piper.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruben.ns.cloudflare.com	108.162.195.71 162.159.44.71 172.64.35.71 2606:4700:58::a29f:2c47 2803:f800:50::6ca2:c347 2a06:98c1:50::ac40:2347	ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mju-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.21 52.101.68.29 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.179.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 431ms

TXT Record
brevo-code:f9c7f9aecf35de1c654165b08d16e465
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mju.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-07 23:20:44

www	NXDOMAIN
www vs bare domain	Neither resolves mju.dk: no address www.mju.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mju.dk	303-2ZpoavyszpRLb0t4wKAIpUJaNuy4Jd5NguStJds
TXT	_acme-challenge.mju.dk	JUVsRYt5wEEUCroCNPMRe3-IyHuTo1quqIyQSZVsCx8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

424ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2413044757
Primary NS (MNAME)	piper.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 21:16:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-08-26
Expires	2027-08-31 (312d)

📋 WHOIS#

⏱️ Lookup Timing#

114ms

88ms

130ms

AAAA

220ms

TXT

431ms

CAA

123ms

HTTPS

191ms

TLSA

281ms

SOA

0ms

MTA-STS

239ms

DNSSEC

424ms

SRV

238ms

Total

2107ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 20:39:34	1587ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-21 01:20:12	1346ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-07 20:36:12	1692ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 05:56:39 shown	2107ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-06 04:34:20	3235ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-23 04:36:15	10167ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-28 06:04:28	1437ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 19:09:43	1712ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 05:35:00	1213ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 21:59:40	2017ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 16:48:54	1185ms	2 NS 0 A 1 MX	🔓 Insecure