dcontracting.dk DNS records

🖥️ Nameservers2 records 45ms

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 Records1 records 40ms

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 Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dcontracting-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca48::a 52.101.103.137 52.101.103.143 52.101.68.0 52.101.73.126	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.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	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 Records3 records 160ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090101
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

40ms

MX

39ms

AAAA

32ms

TXT

160ms

CAA

55ms

HTTPS

66ms

TLSA

245ms

SOA

0ms

MTA-STS

72ms

DNSSEC

85ms

SRV

88ms

Total

791ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:57:45	791ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:57:00	751ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 14:51:00	1826ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:20:11	1646ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:20:10	3052ms	2 NS 1 A 1 MX	🔒 Secure	View