iuc.dk

📜 Historical scan 2026-06-18 03:19:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iuc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 March 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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   138ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   134ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.41 — webcluster2.webpod12-cph3.one.com AS51468 — — — —

📧 MX Records#

4 records   137ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   144ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10a:804f:901d:3e51:2abd — — AS51468 — — — —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-20 13:41:47
www46.30.213.41 2a02:2350:5:10a:804f:901d:3e51:2abd (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records   549ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…

🔐 DNSSEC#

181ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

143ms
FieldValue
Serial2026052001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-20 14:22:37
FieldValue
RegistrarONE.COM A/S
Registered1997-03-25
Expires2027-03-31 (161d)

🔗 Same registrant#

16 domains

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).

DomainRegistrar
17gables.dkDANDOMAIN A/S
17gavle.dkDANDOMAIN A/S
aktivikastbrande.dkDANDOMAIN A/S
erantis-ikastbrande.dkSimply.com A/S
flyttilikastbrande.dkDANDOMAIN A/S
hyldgaardsskolen.dkPunktum dk A/S (direct)
ibks.dkSimply.com A/S
ikast-brande-kommune.dkDANDOMAIN A/S
ikastbrande.dkDANDOMAIN A/S
ikastbrandebibliotek.dkDANDOMAIN A/S
ikastbrandebilledskole.dkDANDOMAIN A/S
ikastbrandekommune.dkDANDOMAIN A/S
ikastbrandemusikskole.dkDANDOMAIN A/S
industrialparkpaarup.dkDANDOMAIN A/S
skoletrivselforalle.dkPunktum dk A/S (direct)
usk.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
138ms
A
134ms
MX
137ms
AAAA
144ms
TXT
236ms
CAA
132ms
HTTPS
139ms
TLSA
549ms
SOA
143ms
MTA-STS
134ms
DNSSEC
181ms
SRV
142ms
Total
1372ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 13:41:47 625ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-23 05:47:11 2000ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-21 07:25:40 16862ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-21 14:50:33 1001ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 15:07:06 842ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 06:24:38 720ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-18 03:19:46 shown 1372ms 2 NS 1 A 4 MX 🔒 Secure
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