rbjboligudlejning.dk DNS records

🖥️ Nameservers2 records 40ms

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 Records2 records 43ms

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 Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rbjboligudlejning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.181.153 52.101.68.3 52.101.73.2 52.101.73.26	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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 28ms

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 Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.136,172.67.199.22 ech=AEX+DQBBzwAgACBTSB3apXixaEI71fZoMKUzij6ilRhhH7A4KRauzohfNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1588,2606:4700:3032::ac43:c716

📝 TXT Records2 records 149ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC116ms

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

🏷️ SOA0ms

Field	Value
Serial	2413285972
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

43ms

MX

34ms

AAAA

28ms

TXT

149ms

CAA

27ms

HTTPS

49ms

TLSA

184ms

SOA

0ms

MTA-STS

44ms

DNSSEC

116ms

SRV

47ms

Total

996ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:12:44	996ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 22:04:54	17263ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 20:47:43	1335ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 15:10:16	2230ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 23:01:26	1039ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 18:46:13	818ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 17:10:07	1278ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 22:52:59	1089ms	2 NS 2 A 1 MX	🔓 Insecure	View