dcontracting.dk

Records from scan: 2026-09-30 10:03:24 · 545ms total · last checked 2026-10-16 06:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcontracting.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 20 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.232 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dcontracting-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.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
curns02.dnsadmin.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.232	3600s	linux29.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dcontracting-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca38::a 2a01:111:f403:ca48::12 52.101.103.140 52.101.68.10 52.101.68.8 52.101.91.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00101.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	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 138ms

TXT Record
google-site-verification=4JabkGbHhcB7x9MZIK8d84s_bXtGK_AWS0n5CU44ieA
MS=ms57324354
v=spf1 include:spf.protection.outlook.com a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk -all

✉️ SPF#

Policy	Record (dcontracting.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk -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#

checked 2026-10-13 03:49:22

www	185.21.40.232 (AS48854) (address records, no CNAME)
www vs bare domain	Same network dcontracting.dk: 185.21.40.232 (AS48854) www.dcontracting.dk: 185.21.40.232 (AS48854)
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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 19:38:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-07-20
Expires	2027-07-19 (275d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

37ms

AAAA

30ms

TXT

138ms

CAA

37ms

HTTPS

34ms

TLSA

171ms

SOA

0ms

MTA-STS

52ms

DNSSEC

55ms

SRV

46ms

Total

545ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:03:24 shown	545ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:12:33	873ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 12:02:51	2809ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 21:11:36	799ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 13:57:45	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:57:00	751ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 14:51:00	1826ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:20:11	1646ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:20:10	3052ms	2 NS 1 A 1 MX	🔒 Secure