iun.dk

📜 Historical scan 2026-06-24 10:08:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iun.dk is a .dk domain served by 4 nameservers (ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and 1 more). It was registered on 9 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is of unknown DNSSEC status, 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 107ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsimple.com	199.247.152.53 2620:111:8004::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns2.dnsimple.com	199.247.153.53 2620:111:8005::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns3.dnsimple.com	199.247.154.53 2620:111:8006::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns4.dnsimple.com	199.247.155.53 2620:111:8007::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation

🌍 A Records#

1 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

2 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 352ms

TXT Record
MS=F7C400E2378D020F892353922B084FFEC900EFE7
protonmail-verification=8490f63a6f9265d860a77caf2b5b2220d18f0267
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF#

Policy	Record (iun.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC#

Policy	Record (_dmarc.iun.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 19:48:31

www CNAME	cname.vercel-dns.com (all on vercel-dns.com) → 66.33.60.66 76.76.21.142 (AS16509)
www vs bare domain	Same network iun.dk: 76.76.21.21 (AS16509) www.iun.dk: 66.33.60.66 76.76.21.142 (AS16509)
Wildcard	No
BIMI	v=BIMI1; l=https://iun.dk/bimi.svg

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 202ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

101ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'iun.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

170ms

Field	Value
Serial	1628230531
Primary NS (MNAME)	ns1.dnsimple.com
Responsible (RNAME)	admin@dnsimple.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 22:50:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-03-09
Expires	2027-03-31 (162d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
storkie.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

108ms

89ms

AAAA

127ms

TXT

352ms

CAA

128ms

HTTPS

114ms

TLSA

202ms

SOA

170ms

MTA-STS

85ms

DNSSEC

101ms

SRV

236ms

Total

1123ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 17:15:58	14596ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-26 08:52:10	5898ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-26 01:02:40	7681ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-24 10:08:19 shown	1123ms	4 NS 1 A 2 MX	❓ Unknown
2026-06-21 19:22:06	723ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-21 17:58:25	998ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 04:55:02	1376ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-18 05:33:45	4490ms	4 NS 1 A 2 MX	🔓 Insecure