rcfm.dk

📜 Historical scan 2026-06-17 15:22:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rcfm.dk is a .dk domain served by 2 nameservers (addilyn.ns.cloudflare.com, armando.ns.cloudflare.com). It was registered on 30 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.14 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rcfm-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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
armando.ns.cloudflare.com	108.162.195.225 162.159.44.225 172.64.35.225 2606:4700:58::a29f:2ce1 2803:f800:50::6ca2:c3e1 2a06:98c1:50::ac40:23e1	armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.14	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.244	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	rcfm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::d 52.101.68.10 52.101.68.18 52.101.68.21 52.101.68.3	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.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

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:3b0e	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d2f4	—	—	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=104.21.59.14,172.67.210.244 ech=AEX+DQBB5wAgACAfhnj2QjvcLesWssUrB3a5fnOhseRkvqgkI6RuTYeBJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3b0e,2606:4700:3037::ac43:d2f4

📝 TXT Records#

5 records 146ms

TXT Record
apple-domain-verification=hmqypSU9zHvEk3uE
MS=ms29755506
notion-domain-verification=njGo2LFyVorfdsSFXSSvsXjDSHWyxpZtJIwKESg2oCo
openai-domain-verification=dv-ftgvuDaEnrHQmYSQyLHC71Yt
v=spf1 include:spf.protection.outlook.com include:spf.hostingconnection.eu include:spf1.emarketeer.com include:_custspf.one.com include:spf.wannafind.dk include:o._spf.hostedsepo.dk include:_spf.simplero.com ip4:13.93.105.171 ip4:77.247.73.210 ip4:77.247.73.211 ip4:213.150.59.248 ip4:194.150.111.4 -all

✉️ SPF#

Policy	Record (rcfm.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.hostingconnection.eu include:spf1.emarketeer.com include:_custspf.one.com include:spf.wannafind.dk include:o._spf.hostedsepo.dk include:_spf.simplero.com ip4:13.93.105.171 ip4:77.247.73.210 ip4:77.247.73.211 ip4:213.150.59.248 ip4:194.150.111.4 -all

📨 DMARC#

Policy	Record (_dmarc.rcfm.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+zlukllrkkwl@dmarc.postmarkapp.com; ruf=mailto:itsupport@muskelsvindfonden.dk; sp=none; aspf=r;

📬 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 2026-10-07 17:53:23

www	104.21.59.14 172.67.210.244 2606:4700:3031::6815:3b0e 2606:4700:3036::ac43:d2f4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rcfm.dk: 104.21.59.14 172.67.210.244 2606:4700:3031::6815:3b0e 2606:4700:3036::ac43:d2f4 (AS13335) www.rcfm.dk: 104.21.59.14 172.67.210.244 2606:4700:3031::6815:3b0e 2606:4700:3036::ac43:d2f4 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rcfm-dk._domainkey.muskelsvindfonden.onmicrosoft.com	RSA · ~1024 bit below 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: 13/10 · policy: -all

error 13 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2406763122
Primary NS (MNAME)	addilyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 18:19:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-03-30
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

52ms

AAAA

47ms

TXT

146ms

CAA

45ms

HTTPS

50ms

TLSA

189ms

SOA

45ms

MTA-STS

232ms

DNSSEC

138ms

SRV

0ms

Total

3048ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:53:23	1224ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 14:04:46	10207ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 06:03:36	1490ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 04:14:47	10872ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 15:39:20	1967ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 15:13:03	2008ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 06:29:38	1010ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 01:16:48	2528ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 11:25:35	1474ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 15:22:54 shown	3048ms	2 NS 2 A 1 MX	🔓 Insecure