den5.dk

📜 Historical scan 2026-06-24 13:42:37 · ← 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 210ms

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 205ms

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 338ms

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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 208ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b279	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:404e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 200ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.78,172.67.178.121 ech=AEX+DQBB1gAgACAvRee6fCAf0q1MRCY3E7KlwD1CLVBRuHRNjtlzktJeAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b279,2606:4700:3032::6815:404e

📝 TXT Records#

4 records 380ms

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#

374ms

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

🏷️ SOA#

198ms

Field	Value
Serial	2406187906
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#

210ms

205ms

338ms

AAAA

208ms

TXT

380ms

CAA

204ms

HTTPS

200ms

TLSA

4040ms

SOA

198ms

MTA-STS

119ms

DNSSEC

374ms

SRV

269ms

Total

7454ms

🕐 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	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 shown	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