disk4u.dk

📜 Historical scan 2026-06-29 13:58:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

disk4u.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.43.137 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.disk4u.dk. 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.43.137	3600s	87.104.43.137.static.fibianet.dk	AS44869	FIBIA P/S	87.104.0.0/18	🇩🇰 Denmark	Albertslund

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.disk4u.dk	46.4.121.70	cp07.nordicway.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 291ms

TXT Record
v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (disk4u.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.disk4u.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-13 19:18:30

www CNAME	disk4u.dk (all on disk4u.dk) → 87.104.43.137 (AS44869)
www vs bare domain	Same network disk4u.dk: 87.104.43.137 (AS44869) www.disk4u.dk: 87.104.43.137 (AS44869)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.disk4u.dk	dPWLUegHtyt61me75tfR1T9oCdG6gj_vBBEVgRJd4gQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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	2026062703
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

51ms

54ms

61ms

AAAA

46ms

TXT

291ms

CAA

50ms

HTTPS

62ms

TLSA

361ms

SOA

0ms

MTA-STS

74ms

DNSSEC

128ms

SRV

82ms

Total

1022ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 00:25:58	13478ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-28 10:42:18	672ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 10:33:42	2572ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-29 13:58:47 shown	1022ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 03:24:49	668ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 03:20:07	508ms	2 NS 1 A 1 MX	❓ Unknown