rccompany.dk DNS records

🖥️ Nameservers2 records 39ms

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 37ms

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 Records3 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	rccompany-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::7 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.68.12 52.101.68.15 52.101.68.21 52.101.68.32	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.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
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 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 Records2 records 175ms

TXT Record
google-site-verification=VuYML926Ge3cAwtHDsgOmwe2KlSOH0TzJpBwJZjTTiI
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rccompany.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

🔗 TLSA / DANE

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

🔐 DNSSEC131ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

37ms

MX

35ms

AAAA

58ms

TXT

175ms

CAA

43ms

HTTPS

41ms

TLSA

605ms

SOA

0ms

MTA-STS

60ms

DNSSEC

131ms

SRV

79ms

Total

1380ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:51:14	1380ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 21:14:29	1160ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 19:27:08	2390ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 09:16:25	3319ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 00:32:40	12551ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 00:09:12	1157ms	2 NS 1 A 3 MX	🔒 Secure	View