kobberlinjen.dk DNS records

🖥️ Nameservers4 records 91ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-03.azure-dns.com	13.107.236.3 2603:1061:0:700::3	ns1-03.azure-dns.com ns1-03.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-03.azure-dns.net	150.171.21.3 2620:1ec:8ec:700::3	ns2-03.azure-dns.net ns2-03.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-03.azure-dns.org	204.14.183.3 2a01:111:4000:700::3	ns3-03.azure-dns.org ns3-03.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-03.azure-dns.info	208.84.5.3 2620:1ec:bda:700::3	ns4-03.azure-dns.info ns4-03.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records

🌍

No A records found

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kobberlinjen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.21 52.101.68.8 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.97.250.232

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 271ms

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

✉️ SPF

Policy	Record (kobberlinjen.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

🔗 TLSA / DANE

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

🔐 DNSSEC161ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA57ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-03.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

91ms

A

70ms

MX

59ms

AAAA

61ms

TXT

271ms

CAA

60ms

HTTPS

50ms

TLSA

819ms

SOA

57ms

MTA-STS

135ms

DNSSEC

161ms

SRV

2066ms

Total

3977ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 18:45:26	3977ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-20 11:46:02	1282ms	4 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-17 12:12:15	1217ms	4 NS 0 A 1 MX	🔓 Insecure	View