struktura.dk

Records from scan: 2026-09-16 10:00:19  ·  584ms total  ·  last checked 2026-10-16 15:52 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

struktura.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 18 June 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.106.3.5 is hosted by IONOS SE (AS8560) in France. Mail is handled by mail.struktura.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   36ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.106.3.5 3600s ip87-106-3-5.pbiaas.com AS8560 IONOS SE 87.106.0.0/16 🇫🇷 France —

📧 MX Records#

2 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.struktura.dk 83.93.128.187 83-93-128-187-static.dk.customer.tdc.net AS3292 TDC Holding A/S
20 3600s backup-mx.post.tele.dk — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover87.106.3.5
🔶 Autoconfig87.106.3.5

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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#

checked 2026-10-16 15:52:24
www87.106.3.5 (AS8560) (address records, no CNAME)
www vs bare domainSame network
struktura.dk: 87.106.3.5 (AS8560)
www.struktura.dk: 87.106.3.5 (AS8560)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2021111801
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-06 15:12:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-06-18
Expires2027-06-30 (256d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
37ms
MX
39ms
AAAA
44ms
TXT
159ms
CAA
39ms
HTTPS
36ms
TLSA
108ms
SOA
0ms
MTA-STS
74ms
DNSSEC
85ms
SRV
62ms
Total
584ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-16 10:00:19 shown 584ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-30 10:52:05 604ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-19 14:27:38 624ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-17 13:25:42 765ms 2 NS 1 A 2 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone