rsejendomsservice.dk

Records from scan: 2026-09-29 17:12:08 · 705ms total · last checked 2026-10-25 13:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsejendomsservice.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.199 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rsejendomsservice-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 24ms

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 Records#

1 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.199	3600s	linux14.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rsejendomsservice-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca48::e 52.101.209.153 52.101.68.39 52.101.68.8 52.101.91.159	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.152
🔶 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 Records#

4 records 158ms

TXT Record
ca3-b56e1f698be340198497fac4991c7360
ca3-bef57df864944eb8abfbd170bf7800f0
MS=ms78721561
v=spf1 include:spf.onlinemail.io include:spf.protection.outlook.com ?all

✉️ SPF#

Policy	Record (rsejendomsservice.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io 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#

checked 2026-10-09 00:16:31

www	185.21.40.199 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rsejendomsservice.dk: 185.21.40.199 (AS48854) www.rsejendomsservice.dk: 185.21.40.199 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-21 15:49:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-09
Expires	2027-09-30 (339d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
rs-ejendomsservice.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

28ms

AAAA

34ms

TXT

158ms

CAA

36ms

HTTPS

26ms

TLSA

168ms

SOA

0ms

MTA-STS

50ms

DNSSEC

67ms

SRV

98ms

Total

705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 17:12:08 shown	705ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 23:18:04	924ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:08:42	1200ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 07:34:31	668ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 23:28:02	1572ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:06:28	1203ms	2 NS 1 A 1 MX	🔒 Secure