madsostergaard.dk DNS records

🖥️ Nameservers2 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
lars.ns.cloudflare.com	108.162.193.195 172.64.33.195 173.245.59.195 2606:4700:58::adf5:3bc3 2803:f800:50::6ca2:c1c3 2a06:98c1:50::ac40:21c3	lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com	108.162.192.208 172.64.32.208 173.245.58.208 2606:4700:50::adf5:3ad0 2803:f800:50::6ca2:c0d0 2a06:98c1:50::ac40:20d0	naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.150	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.193	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	madsostergaard-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 52.101.68.0 52.101.68.36 52.101.68.39 52.101.73.16	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 52.97.200.152
🔶 Autoconfig	104.21.70.150

🔷 AAAA Records (IPv6)2 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:4696	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:88c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 79ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.150,172.67.136.193 ech=AEX+DQBBQQAgACBkTgHj7nPLRcNlASu/SGBSRzIku4qTcg0FweSLnAnTEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:4696,2606:4700:3037::ac43:88c1

📝 TXT Records2 records 291ms

TXT Record
MS=ms38101349
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (madsostergaard.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.madsostergaard.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:m@madsostergaard.dk; ruf=mailto:m@madsostergaard.dk;

📬 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)

🔐 DNSSEC198ms

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	2412818353
Primary NS (MNAME)	lars.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

59ms

A

71ms

MX

102ms

AAAA

75ms

TXT

291ms

CAA

75ms

HTTPS

79ms

TLSA

218ms

SOA

0ms

MTA-STS

135ms

DNSSEC

198ms

SRV

166ms

Total

2874ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 17:42:39	2874ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-10 01:35:28	1772ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 11:57:33	2017ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 22:35:04	1067ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 17:23:44	911ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 05:51:01	1449ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 21:28:23	966ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:40:41	2007ms	2 NS 2 A 1 MX	🔓 Insecure	View