dsbv.dk

📜 Historical scan 2026-10-05 08:09:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsbv.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, jeff.ns.cloudflare.com). It was registered on 21 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.227 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dsbv-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 Records#

2 records 38ms

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 Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dsbv-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::24 2a01:111:f403:ca48::e 52.101.181.153 52.101.73.120 52.101.73.155 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.136

🔷 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 Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.227,172.67.216.83 ech=AEX+DQBBFwAgACCr2Pj1Nuvl1u4SoMZ/vXx/nQEIIs6uHsKeDVJDt6QVDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5de3,2606:4700:3037::ac43:d853

🔌 SRV Records#

1 records 81ms

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

📝 TXT Records#

5 records 162ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 16:04:19

www	104.21.93.227 172.67.216.83 2606:4700:3035::6815:5de3 2606:4700:3037::ac43:d853 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dsbv.dk: 104.21.93.227 172.67.216.83 2606:4700:3035::6815:5de3 2606:4700:3037::ac43:d853 (AS13335) www.dsbv.dk: 104.21.93.227 172.67.216.83 2606:4700:3035::6815:5de3 2606:4700:3037::ac43:d853 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2416637354
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 08:28:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-01-21
Expires	2027-01-31 (105d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

38ms

41ms

AAAA

37ms

TXT

162ms

CAA

31ms

HTTPS

30ms

TLSA

812ms

SOA

41ms

MTA-STS

61ms

DNSSEC

109ms

SRV

81ms

Total

1540ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 16:04:19	4463ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-05 08:09:20 shown	1540ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 06:29:19	1174ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 10:57:38	949ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 03:01:10	2851ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 02:17:39	4472ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 22:21:08	2211ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 17:53:46	1403ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 03:24:54	1977ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:45:26	930ms	2 NS 2 A 1 MX	🔓 Insecure