den5.dk

📜 Historical scan 2026-08-21 13:17:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

den5.dk is a .dk domain served by 2 nameservers (ace.ns.cloudflare.com, desi.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.78 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by den5-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 294ms

Nameserver	IP addresses	PTR	ASN / ISP
ace.ns.cloudflare.com	108.162.195.65 162.159.44.65 172.64.35.65 2606:4700:58::a29f:2c41 2803:f800:50::6ca2:c341 2a06:98c1:50::ac40:2341	ace.ns.cloudflare.com ace.ns.cloudflare.com ace.ns.cloudflare.com ace.ns.cloudflare.com ace.ns.cloudflare.com ace.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
desi.ns.cloudflare.com	108.162.192.96 172.64.32.96 173.245.58.96 2606:4700:50::adf5:3a60 2803:f800:50::6ca2:c060 2a06:98c1:50::ac40:2060	desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.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 272ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.78	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.121	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 250ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	den5-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 218ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b279	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:404e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 270ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.78,172.67.178.121 ech=AEX+DQBBBgAgACDYhcTVrblcKvysJOm9wrIyZWVhiPSv2F8zBkRdimA7NgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b279,2606:4700:3034::6815:404e

📝 TXT Records#

4 records 549ms

TXT Record
brevo-code:65d58667879344f91e2e8880c5378894
MS=ms71619058
spf2.0/pra
v=spf1 include:spf.curanet.dk mx include:spf.gigahost.dk include:spf.simply.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (den5.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk mx include:spf.gigahost.dk include:spf.simply.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.den5.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-10 03:30:44

www	104.21.64.78 172.67.178.121 2606:4700:3033::ac43:b279 2606:4700:3034::6815:404e (AS13335) (address records, no CNAME)
www vs bare domain	Same network den5.dk: 104.21.64.78 172.67.178.121 2606:4700:3033::ac43:b279 2606:4700:3034::6815:404e (AS13335) www.den5.dk: 104.21.64.78 172.67.178.121 2606:4700:3033::ac43:b279 2606:4700:3034::6815:404e (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

386ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412737678
Primary NS (MNAME)	ace.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

294ms

272ms

250ms

AAAA

218ms

TXT

549ms

CAA

250ms

HTTPS

270ms

TLSA

689ms

SOA

0ms

MTA-STS

343ms

DNSSEC

386ms

SRV

355ms

Total

10888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:39:22	1338ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 04:39:31	1308ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 13:17:49 shown	10888ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 13:01:14	14931ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 13:27:59	17892ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 02:55:15	2180ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 13:42:37	7454ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 16:38:23	892ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 21:35:47	1089ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:44:55	1073ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 01:46:01	661ms	2 NS 2 A 1 MX	🔓 Insecure