rvmsystems.dk

📜 Historical scan 2026-09-16 05:19:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rvmsystems.dk is a .dk domain served by 2 nameservers (clayton.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 15 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.25 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rvmsystems-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
clayton.ns.cloudflare.com	108.162.195.226 162.159.44.226 172.64.35.226 2606:4700:58::a29f:2ce2 2803:f800:50::6ca2:c3e2 2a06:98c1:50::ac40:23e2	clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rvmsystems-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca21::e 52.101.103.143 52.101.209.28 52.101.68.18 52.101.73.155	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr02cu00203.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	104.21.90.25

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9787	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5a19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.25,172.67.151.135 ech=AEX+DQBBhAAgACDa0Lv9Bs2z0wO1102B5HSSm0WXOj1Pgbsrkfd8uZ19ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9787,2606:4700:3035::6815:5a19

📝 TXT Records#

2 records 162ms

TXT Record
MS=ms70595893
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.rvmsystems.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua@rvmsystems.com;

📬 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 2026-10-10 01:42:03

www	104.21.90.25 172.67.151.135 2606:4700:3030::ac43:9787 2606:4700:3035::6815:5a19 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rvmsystems.dk: 104.21.90.25 172.67.151.135 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.rvmsystems.dk: 104.21.90.25 172.67.151.135 2606:4700:3030::ac43:9787 2606:4700:3035::6815:5a19 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rvmsystems-dk._domainkey.rvmsystems.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

114ms

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	2414765602
Primary NS (MNAME)	clayton.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 02:14:33

Field	Value
Registrar	ODERLAND Webbhotell AB
Registered	2015-09-15
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

35ms

33ms

AAAA

39ms

TXT

162ms

CAA

37ms

HTTPS

50ms

TLSA

385ms

SOA

0ms

MTA-STS

58ms

DNSSEC

114ms

SRV

59ms

Total

1201ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 01:42:02	3439ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 22:02:49	1113ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 07:32:16	1719ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 05:19:45 shown	1201ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 13:59:35	1855ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 23:58:39	1307ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 06:49:54	2371ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 16:31:18	1883ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 15:37:51	3394ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 06:26:03	1153ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:36:22	1153ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 12:55:44	3170ms	2 NS 2 A 1 MX	🔓 Insecure