structur.dk

📜 Historical scan 2026-06-19 16:32:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

structur.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 26 June 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.84 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by structur-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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#

4 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.84	3600s	linux206.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	structur-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.25 52.101.68.8 52.101.73.26	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.40
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 82ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 224ms

TXT Record
google-site-verification=ZRqmqkkp8wkQOZysZvgZNVSdAB3ucjuYs0hrHW-0mBQ
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (structur.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 2026-10-07 20:17:54

www	93.191.156.84 (AS48854) (address records, no CNAME)
www vs bare domain	Same network structur.dk: 93.191.156.84 (AS48854) www.structur.dk: 93.191.156.84 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

61ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'structur.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

42ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 13:49:43

Field	Value
Registrar	Simply.com A/S
Registered	2018-06-26
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

39ms

82ms

AAAA

34ms

TXT

224ms

CAA

50ms

HTTPS

30ms

TLSA

367ms

SOA

42ms

MTA-STS

39ms

DNSSEC

61ms

SRV

82ms

Total

914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 17:34:02	973ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 13:15:08	721ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:09:23	852ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-03 07:01:36	1072ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:08:46	1591ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 23:37:53	993ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 15:55:57	890ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 16:32:37 shown	914ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 13:44:56	2898ms	4 NS 1 A 1 MX	🔒 Secure