rbjboligudlejning.dk

📜 Historical scan 2026-07-01 23:01:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rbjboligudlejning.dk is a .dk domain served by 2 nameservers (grant.ns.cloudflare.com, tani.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.136 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rbjboligudlejning-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
grant.ns.cloudflare.com	108.162.195.130 162.159.44.130 172.64.35.130 2606:4700:58::a29f:2c82 2803:f800:50::6ca2:c382 2a06:98c1:50::ac40:2382	grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tani.ns.cloudflare.com	108.162.192.224 172.64.32.224 173.245.58.224 2606:4700:50::adf5:3ae0 2803:f800:50::6ca2:c0e0 2a06:98c1:50::ac40:20e0	tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com tani.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.22	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rbjboligudlejning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::c 52.101.73.11 52.101.73.15 52.101.73.22 52.101.73.24	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1588	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c716	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.136,172.67.199.22 ech=AEX+DQBBKAAgACCMoC4r7Y5nAhwoEJW16VxB3MqUU6mzlHRlFwYOjoogPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1588,2606:4700:3032::ac43:c716

📝 TXT Records#

2 records 169ms

TXT Record
MS=ms69498589
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rbjboligudlejning.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-25 08:12:41

www	104.21.21.136 172.67.199.22 2606:4700:3030::6815:1588 2606:4700:3032::ac43:c716 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rbjboligudlejning.dk: 104.21.21.136 172.67.199.22 2606:4700:3030::6815:1588 2606:4700:3032::ac43:c716 (AS13335) www.rbjboligudlejning.dk: 104.21.21.136 172.67.199.22 2606:4700:3030::6815:1588 2606:4700:3032::ac43:c716 (AS13335)
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#

144ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2408172805
Primary NS (MNAME)	grant.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

38ms

59ms

45ms

AAAA

75ms

TXT

169ms

CAA

65ms

HTTPS

52ms

TLSA

249ms

SOA

0ms

MTA-STS

85ms

DNSSEC

144ms

SRV

74ms

Total

1039ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 08:12:41	670ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 11:32:12	912ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 18:40:47	1096ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 14:59:28	894ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 03:12:44	996ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 22:04:54	17263ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 20:47:43	1335ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 15:10:16	2230ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 23:01:26 shown	1039ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 18:46:13	818ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 17:10:07	1278ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 22:52:59	1089ms	2 NS 2 A 1 MX	🔓 Insecure