copper.dk DNS records

🖥️ Nameservers2 records 49ms

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 Records2 records 41ms

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 Records1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	copper-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca48::c 52.101.68.27 52.101.68.29 52.101.73.145 52.101.73.2	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as9pr07cu00302.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 50ms

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 Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.94.203,172.67.139.189 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bbd,2606:4700:3036::6815:5ecb

🔌 SRV Records1 records 91ms

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

📝 TXT Records2 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

🔗 TLSA / DANE

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

🔐 DNSSEC119ms

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

🏷️ SOA0ms

Field	Value
Serial	2411652860
Primary NS (MNAME)	margo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

41ms

MX

95ms

AAAA

50ms

TXT

249ms

CAA

46ms

HTTPS

53ms

TLSA

334ms

SOA

0ms

MTA-STS

82ms

DNSSEC

119ms

SRV

91ms

Total

1456ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:27:22	1456ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 08:57:30	1387ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 09:08:42	1828ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-08 15:21:47	1639ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-08-06 14:39:51	2016ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-05 11:08:36	1616ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-29 10:23:09	3162ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 04:13:22	1510ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 08:53:54	1988ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 01:21:58	2646ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 11:30:58	1052ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 22:25:26	566ms	2 NS 2 A 1 MX	🔓 Insecure	View