olsen-co.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
charles.ns.cloudflare.com	108.162.193.83 172.64.33.83 173.245.59.83 2606:4700:58::adf5:3b53 2803:f800:50::6ca2:c153 2a06:98c1:50::ac40:2153	charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dawn.ns.cloudflare.com	108.162.192.106 172.64.32.106 173.245.58.106 2606:4700:50::adf5:3a6a 2803:f800:50::6ca2:c06a 2a06:98c1:50::ac40:206a	dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	olsenco-dk01c.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca48::c 52.101.181.153 52.101.209.153 52.101.68.27 52.101.73.155	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr02cu00203.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 202ms

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

✉️ SPF

Policy	Record (olsen-co.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)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2410115193
Primary NS (MNAME)	charles.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

55ms

A

42ms

MX

57ms

AAAA

56ms

TXT

202ms

CAA

49ms

HTTPS

74ms

TLSA

356ms

SOA

0ms

MTA-STS

65ms

DNSSEC

98ms

SRV

72ms

Total

1717ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:01:10	1717ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-25 11:02:27	1212ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-21 23:39:50	9303ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-07-19 15:56:35	11055ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 00:16:08	10317ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 19:57:47	1305ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 01:42:52	974ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:31:27	774ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 01:44:50	1499ms	2 NS 0 A 1 MX	🔓 Insecure	View