ihdt.dk

Records from scan: 2026-09-30 07:29:06  ·  586ms total  ·  last checked 2026-10-18 05:23 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ihdt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.55.100.171 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.ihdt.dk, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   31ms
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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.55.100.171 600s 87-55-100-171-cable.dk.customer.tdc.net AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Struer Municipality

📧 MX Records#

2 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.ihdt.dk 87.55.100.171 87-55-100-171-cable.dk.customer.tdc.net AS3292 TDC Holding A/S
50 43200s backup-mx.post.tele.dk — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover87.55.100.171
🔶 Autoconfighost.ihdt.dk → 87.55.100.171

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   57ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 10 443 autodiscover.ihdt.dk

📝 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#

checked 2026-10-14 01:13:37
www87.55.100.171 (AS3292) (address records, no CNAME)
www vs bare domainSame network
ihdt.dk: 87.55.100.171 (AS3292)
www.ihdt.dk: 87.55.100.171 (AS3292)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.ihdt.dk host.ihdt.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092002
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 05:46:23
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-10-26
Expires2027-04-30 (193d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
35ms
MX
40ms
AAAA
36ms
TXT
170ms
CAA
40ms
HTTPS
31ms
TLSA
99ms
SOA
0ms
MTA-STS
59ms
DNSSEC
70ms
SRV
57ms
Total
586ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 07:29:06 shown 586ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-21 05:58:48 664ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-23 09:46:31 777ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-21 23:04:03 1004ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 14:25:46 1010ms 2 NS 1 A 2 MX 🔒 Secure
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