copper.dk

📜 Historical scan 2026-08-05 11:08:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copper.dk is a .dk domain served by 2 nameservers (margo.ns.cloudflare.com, raquel.ns.cloudflare.com). It was registered on 25 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.203 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by copper-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
margo.ns.cloudflare.com	108.162.195.144 162.159.44.144 172.64.35.144 2606:4700:58::a29f:2c90 2803:f800:50::6ca2:c390 2a06:98c1:50::ac40:2390	margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
raquel.ns.cloudflare.com	108.162.194.210 162.159.38.210 172.64.34.210 2606:4700:50::a29f:26d2 2803:f800:50::6ca2:c2d2 2a06:98c1:50::ac40:22d2	raquel.ns.cloudflare.com raquel.ns.cloudflare.com raquel.ns.cloudflare.com raquel.ns.cloudflare.com raquel.ns.cloudflare.com raquel.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 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.94.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	copper-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.39 52.101.73.16 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 52.98.253.104

🔷 AAAA Records (IPv6)#

2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8bbd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5ecb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 127ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.94.203,172.67.139.189 ech=AEX+DQBBmQAgACBZReo75tBR+SQ2rtVYUzjeCb6Vib2Z/FR6mUPzqklaTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bbd,2606:4700:3036::6815:5ecb

🔌 SRV Records#

1 records 217ms

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

📝 TXT Records#

2 records 249ms

TXT Record
MS=ms24393265
v=spf1 include:_spf.mx.cloudflare.net include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (copper.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net 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#

latest probe, not this scan · checked 2026-10-08 05:54:56

www	104.21.94.203 172.67.139.189 2606:4700:3030::ac43:8bbd 2606:4700:3036::6815:5ecb (AS13335) (address records, no CNAME)
www vs bare domain	Same network copper.dk: 104.21.94.203 172.67.139.189 2606:4700:3030::ac43:8bbd 2606:4700:3036::6815:5ecb (AS13335) www.copper.dk: 104.21.94.203 172.67.139.189 2606:4700:3030::ac43:8bbd 2606:4700:3036::6815:5ecb (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

170ms

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	2411334319
Primary NS (MNAME)	margo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 06:14:43

Field	Value
Registrar	Simply.com A/S
Registered	2023-11-25
Expires	2028-11-24 (764d)

📋 WHOIS#

⏱️ Lookup Timing#

110ms

111ms

110ms

AAAA

126ms

TXT

249ms

CAA

103ms

HTTPS

127ms

TLSA

233ms

SOA

0ms

MTA-STS

121ms

DNSSEC

170ms

SRV

217ms

Total

1616ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:54:56	3346ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 05:48:59	3752ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 01:28:20	1147ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 00:36:13	2215ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 23:59:47	1109ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 23:55:50	1370ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 23:42:16	1110ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 14:26:00	2002ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 18:50:22	1208ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 23:32:04	4379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 10:28:58	808ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 16:58:36	1942ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 01:36:45	1519ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 19:27:22	1456ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 08:57:30	1387ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 09:08:42	1828ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 15:21:47	1639ms	2 NS 2 A 1 MX	❓ Unknown
2026-08-06 14:39:51	2016ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-05 11:08:36 shown	1616ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-29 10:23:09	3162ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-17 04:13:22	1510ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 08:53:54	1988ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 01:21:58	2646ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 11:30:58	1052ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 22:25:26	566ms	2 NS 2 A 1 MX	🔓 Insecure