rcmetal.dk

Records from scan: 2026-10-13 19:24:12 · 1201ms total · last checked 2026-10-21 02:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rcmetal.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, melinda.ns.cloudflare.com). It was registered on 16 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rcmetal-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
damon.ns.cloudflare.com	108.162.193.96 172.64.33.96 173.245.59.96 2606:4700:58::adf5:3b60 2803:f800:50::6ca2:c160 2a06:98c1:50::ac40:2160	damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.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
104.21.73.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.234	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rcmetal-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca21::a 2a01:111:f403:ca48::8 52.101.68.12 52.101.68.21 52.101.73.126 52.101.91.159	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:88ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:490a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.10,172.67.136.234 ech=AEX+DQBB8wAgACAqFPXp/n/N9FT8uQXqL6A8tg3HkFmDyrexbl99quxdIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:88ea,2606:4700:3036::6815:490a

🔌 SRV Records#

1 records 67ms

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

📝 TXT Records#

2 records 193ms

TXT Record
MS=ms96545129
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rcmetal.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

🧩 Web & zone#

checked 2026-10-13 19:24:12

www	104.21.73.10 172.67.136.234 2606:4700:3032::ac43:88ea 2606:4700:3036::6815:490a (AS13335) (address records, no CNAME)
www vs bare domain	Same network rcmetal.dk: 104.21.73.10 172.67.136.234 2606:4700:3032::ac43:88ea 2606:4700:3036::6815:490a (AS13335) www.rcmetal.dk: 104.21.73.10 172.67.136.234 2606:4700:3032::ac43:88ea 2606:4700:3036::6815:490a (AS13335)
Wildcard	No

🔎 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#

65ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2417302867
Primary NS (MNAME)	damon.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 15:42:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-11-16
Expires	2027-11-15 (389d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

35ms

34ms

AAAA

44ms

TXT

193ms

CAA

34ms

HTTPS

35ms

TLSA

712ms

SOA

47ms

MTA-STS

52ms

DNSSEC

65ms

SRV

67ms

Total

1201ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 19:24:12 shown	1201ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-10 15:06:52	2518ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 10:13:58	908ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 04:51:43	1623ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 01:37:22	5083ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 13:02:49	1368ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 17:14:02	1589ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:19:57	1536ms	2 NS 2 A 1 MX	🔓 Insecure