dsbv.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.227	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dsbv-dk.mail.protection.outlook.com	2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 2a01:111:f403:ca48::c 52.101.68.12 52.101.68.25 52.101.73.1 52.101.73.123	mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am6pr02cu00203.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 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5de3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d853	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.227,172.67.216.83 ech=AEX+DQBB8gAgACDBlaShUNszepVlr+fR4WskQoMKgriqZm6u9xrVV0BFJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5de3,2606:4700:3037::ac43:d853

🔌 SRV Records1 records 85ms

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

📝 TXT Records5 records 194ms

TXT Record
18.10.2022
MS=ms55617691
MS=ms79778406
MS=ms80941184
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dsbv.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)

🔐 DNSSEC89ms

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	2413095685
Primary NS (MNAME)	brenda.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

42ms

A

39ms

MX

43ms

AAAA

37ms

TXT

194ms

CAA

49ms

HTTPS

42ms

TLSA

187ms

SOA

0ms

MTA-STS

61ms

DNSSEC

89ms

SRV

85ms

Total

949ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:57:38	949ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 03:01:10	2851ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 02:17:39	4472ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 22:21:08	2211ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 17:53:46	1403ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 03:24:54	1977ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 04:45:26	930ms	2 NS 2 A 1 MX	🔓 Insecure	View