rcnbolig.dk DNS records

🖥️ Nameservers2 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
brenna.ns.cloudflare.com	108.162.194.176 162.159.38.176 172.64.34.176 2606:4700:50::a29f:26b0 2803:f800:50::6ca2:c2b0 2a06:98c1:50::ac40:22b0	brenna.ns.cloudflare.com brenna.ns.cloudflare.com brenna.ns.cloudflare.com brenna.ns.cloudflare.com brenna.ns.cloudflare.com brenna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.59	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.249	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rcnbolig-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.68.10 52.101.68.15 52.101.68.18 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9af9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:63b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.59,172.67.154.249 ech=AEX+DQBBawAgACBS5PTGehVJgcbCGnzk6zoDq1RbRkz6YBwhjuzK8PaVbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9af9,2606:4700:3033::6815:63b

📝 TXT Records4 records 207ms

TXT Record
google-site-verification=G3xwiV5PDsijXriYQb7eqWKSo3enm35PPAq5SemtYKc
MS=ms80382436
tiktok-developers-site-verification=Bx9bWPiFLDb7ULBdp1oP0hfehNGQsKZC
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rcnbolig.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rcnbolig.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:f32c6ec2bffc429e909f5124affc84fe@dmarc-reports.cloudflare.net;

📬 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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2412897724
Primary NS (MNAME)	brenna.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-06 19:44:48

Field	Value
Registrar	Simply.com A/S
Registered	2024-12-08
Expires	2026-12-07 (96d)

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

67ms

MX

55ms

AAAA

46ms

TXT

207ms

CAA

72ms

HTTPS

49ms

TLSA

184ms

SOA

0ms

MTA-STS

78ms

DNSSEC

92ms

SRV

138ms

Total

1564ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 20:20:09	1564ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-14 10:56:15	2596ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-12 06:25:33	2296ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-30 00:17:34	2834ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-25 11:37:09	3085ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-06 19:41:02	3830ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-24 22:08:20	2307ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 07:13:12	1278ms	2 NS 2 A 1 MX	🔒 Secure	View