structura.dk

📜 Historical scan 2026-09-29 16:12:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

structura.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It 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 structura-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 61ms

Nameserver	IP addresses	PTR	ASN / 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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.106.3.5	3600s	ip87-106-3-5.pbiaas.com	AS8560	IONOS SE	87.106.0.0/16	🇫🇷 France	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	structura-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 52.101.103.143 52.101.181.156 52.101.209.28 52.101.73.120	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	87.106.3.5

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 611ms

TXT Record
MS=ms67502617
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (structura.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 2026-10-10 06:00:50

www	87.106.3.5 (AS8560) (address records, no CNAME)
www vs bare domain	Same network structura.dk: 87.106.3.5 (AS8560) www.structura.dk: 87.106.3.5 (AS8560)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

61ms

32ms

42ms

AAAA

30ms

TXT

611ms

CAA

50ms

HTTPS

59ms

TLSA

240ms

SOA

0ms

MTA-STS

72ms

DNSSEC

83ms

SRV

64ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 23:20:27	999ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 01:24:47	843ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 16:12:37 shown	1271ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 11:02:25	1068ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:40:02	2267ms	2 NS 1 A 1 MX	🔒 Secure