rdsmontanagroup.dk

📜 Historical scan 2026-06-30 19:06:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rdsmontanagroup.dk is a .dk domain served by 2 nameservers (dom.ns.cloudflare.com, laylah.ns.cloudflare.com). It was registered on 15 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rdsmontanagroup-dk.q-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
dom.ns.cloudflare.com	108.162.193.157 172.64.33.157 173.245.59.157 2606:4700:58::adf5:3b9d 2803:f800:50::6ca2:c19d 2a06:98c1:50::ac40:219d	dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com dom.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laylah.ns.cloudflare.com	108.162.194.230 162.159.38.230 172.64.34.230 2606:4700:50::a29f:26e6 2803:f800:50::6ca2:c2e6 2a06:98c1:50::ac40:22e6	laylah.ns.cloudflare.com laylah.ns.cloudflare.com laylah.ns.cloudflare.com laylah.ns.cloudflare.com laylah.ns.cloudflare.com laylah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rdsmontanagroup-dk.q-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::20 52.101.68.15 52.101.68.18 52.101.68.3 52.101.73.30	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 70ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 189ms

TXT Record
4nzpuULCx/9NBJ2rNxMciufA+Rxh/1eB2vyOgd+3/KYVmI+fg4NGDywZq6Q/OsKAAtAebzgBuhdOYR+P6LHcIg==
MS=ms91495484
v=spf1 mx a ip4:130.185.129.20/28 include:spf.protection.outlook.com include:spf.emailsignatures365.com ~all

✉️ SPF#

Policy	Record (rdsmontanagroup.dk)
~all (soft fail)	v=spf1 mx a ip4:130.185.129.20/28 include:spf.protection.outlook.com include:spf.emailsignatures365.com ~all

📨 DMARC#

Policy	Record (_dmarc.rdsmontanagroup.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:2c6423c6@in.mailhardener.com

📬 MTA-STS#

183ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190601000000Z
max_age	604800s
Policy MX	rdsmontanagroup-dk.q-v1.mx.microsoft

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@in.mailhardener.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 21:09:12

www	Exists, no address
www vs bare domain	Neither resolves rdsmontanagroup.dk: no address www.rdsmontanagroup.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

6 records 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.rdsmontanagroup-dk.q-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…

🔐 DNSSEC#

117ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2408232640
Primary NS (MNAME)	dom.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 04:06:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-07-15
Expires	2027-07-31 (277d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

40ms

AAAA

47ms

TXT

189ms

CAA

48ms

HTTPS

41ms

TLSA

74ms

SOA

0ms

MTA-STS

183ms

DNSSEC

117ms

SRV

70ms

Total

1004ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 21:09:12	715ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-14 08:43:22	634ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-12 04:42:16	977ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-11 03:23:10	486ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-03 21:38:19	846ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-29 21:07:03	682ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-15 14:07:16	1410ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-18 13:45:14	2679ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-16 15:42:03	3365ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 18:51:10	5201ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-24 14:38:13	3248ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-30 19:06:44 shown	1004ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-23 13:17:30	1216ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-18 07:53:02	1496ms	2 NS 0 A 1 MX	🔒 Secure