iou.dk

📜 Historical scan 2026-08-05 08:33:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iou.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 4 August 2026 (WHOIS) and first appeared in the .dk zone on 5 August 2026. Its website address 142.132.143.218 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.iou.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#

4 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicway.dk	2a01:4f8:1c1a:a1e7::1 91.98.140.195	— static.195.140.98.91.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.nordicway.dk	2a01:4f8:c012:4db6::1 49.13.80.249	— static.249.80.13.49.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.143.218	3600s	cp13.nordicway.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.iou.dk	142.132.143.218	cp13.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 330ms

TXT Record
v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (iou.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.iou.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 2026-10-21 11:17:23

www CNAME	iou.dk (all on iou.dk) → 142.132.143.218 (AS24940)
www vs bare domain	Same network iou.dk: 142.132.143.218 (AS24940) www.iou.dk: 142.132.143.218 (AS24940)
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.iou.dk	YLHU4mzpZzXrG5MdSz2HZ4L-mR39zbHVMweeiB1AV2Q

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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	2026080407
Primary NS (MNAME)	ns1.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 05:32:51

Field	Value
Registrar	nordicway ApS
Registered	2026-08-04
Expires	2027-08-03 (279d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

76ms

67ms

AAAA

47ms

TXT

330ms

CAA

47ms

HTTPS

50ms

TLSA

95ms

SOA

0ms

MTA-STS

85ms

DNSSEC

109ms

SRV

79ms

Total

1179ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 11:17:23	571ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-05 04:47:43	762ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:09:26	833ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-05 08:33:59 shown	1179ms	4 NS 1 A 1 MX	🔓 Insecure