constructel.dk

📜 Historical scan 2026-06-21 22:23:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

constructel.dk is a .dk domain served by 3 nameservers (grupovisa.grupovisabeira.pt, grupovisa2.grupovisabeira.pt, gvexternaldnsstage.grupovisabeira.pt). It was registered on 22 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.236.100.162 is hosted by Microsoft Corporation (AS8075) in United Kingdom. Mail is handled by constructel-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

3 records 220ms

Nameserver	IP addresses	PTR	ASN / ISP
grupovisa.grupovisabeira.pt	194.65.74.130	130.128-27.74.65.194.in-addr.arpa	AS3243 Servicos De Comunicacoes E Multimedia S.A.
grupovisa2.grupovisabeira.pt	193.37.153.70	grupovisa2.grupovisabeira.pt	AS41345 Visabeira PRO SA
gvexternaldnsstage.grupovisabeira.pt	194.65.74.130	130.128-27.74.65.194.in-addr.arpa	AS3243 Servicos De Comunicacoes E Multimedia S.A.

🌍 A Records#

1 records 322ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.236.100.162	3600s	—	AS8075	Microsoft Corporation	135.224.0.0/12	🇬🇧 United Kingdom	—

📧 MX Records#

1 records 255ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	constructel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 52.101.68.21 52.101.68.39 52.101.73.153 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 688ms

TXT Record
MS=ms52382050
v=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:193.37.153.37 ip4:193.37.153.81 ip4:194.65.74.133 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (constructel.dk)
-all (hard fail)	v=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:193.37.153.37 ip4:193.37.153.81 ip4:194.65.74.133 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.constructel.dk)
p=reject	v=DMARC1;p=reject;adkim=r;aspf=r;pct=100;rua=mailto:dmarc@constructel.dk

📬 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 2026-10-14 20:56:15

www	135.236.100.162 (AS8075) (address records, no CNAME)
www vs bare domain	Same network constructel.dk: 135.236.100.162 (AS8075) www.constructel.dk: 135.236.100.162 (AS8075)
Wildcard	No

🔎 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#

345ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

128ms

Field	Value
Serial	38
Primary NS (MNAME)	grupovisa.grupovisabeira.pt
Responsible (RNAME)	hostmaster@grupovisabeira.pt
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 19:33:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-06-22
Expires	2027-06-30 (247d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

220ms

322ms

255ms

AAAA

264ms

TXT

688ms

CAA

333ms

HTTPS

216ms

TLSA

383ms

SOA

128ms

MTA-STS

102ms

DNSSEC

345ms

SRV

651ms

Total

2268ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-24 22:18:47	11061ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 22:23:34 shown	2268ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 22:06:01	3389ms	3 NS 1 A 1 MX	🔓 Insecure