rosten.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
coby.ns.cloudflare.com	108.162.193.92 172.64.33.92 173.245.59.92 2606:4700:58::adf5:3b5c 2803:f800:50::6ca2:c15c 2a06:98c1:50::ac40:215c	coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
courtney.ns.cloudflare.com	108.162.194.130 162.159.38.130 172.64.34.130 2606:4700:50::a29f:2682 2803:f800:50::6ca2:c282 2a06:98c1:50::ac40:2282	courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.221	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rosten-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca48::c 52.101.68.16 52.101.68.25 52.101.68.3 52.101.68.39	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.24
🔶 Autoconfig	rosten.dk → 178.72.23.123

🔷 AAAA Records (IPv6)2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:81dd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.193,172.67.129.221 ech=AEX+DQBB3QAgACANZZD4/H2thbBLnTNJyLm3eCjbGOLeQewG9SHS5P4HDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:81dd,2606:4700:3037::6815:1c1

🔌 SRV Records1 records 119ms

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

📝 TXT Records2 records 210ms

TXT Record
MS=ms20788240
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rosten.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rosten.dk	rosten.dk

🔗 TLSA / DANE

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

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2411777919
Primary NS (MNAME)	coby.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

50ms

A

43ms

MX

57ms

AAAA

61ms

TXT

210ms

CAA

50ms

HTTPS

64ms

TLSA

619ms

SOA

0ms

MTA-STS

85ms

DNSSEC

85ms

SRV

119ms

Total

1333ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:29:12	1333ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 01:08:40	1727ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-10 08:42:22	4503ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 18:24:49	2190ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 18:50:11	9687ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 16:46:27	1486ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 22:16:15	3279ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 13:56:00	1809ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 09:32:20	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 04:24:56	1724ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 04:09:04	1447ms	2 NS 2 A 1 MX	🔓 Insecure	View