den5.dk

📜 Historical scan 2026-06-25 02:55:15 · ← 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 53ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.78	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.121	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 56ms

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 → 52.96.182.136

🔷 AAAA Records (IPv6)#

2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b279	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:404e	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.78,172.67.178.121 ech=AEX+DQBBoQAgACAWQr4dSSfeF/qLPF53REKJ+myq1nR1kFnptvb8VUusKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b279,2606:4700:3032::6815:404e

📝 TXT Records#

4 records 263ms

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#

67ms

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

🏷️ SOA#

62ms

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#

53ms

56ms

AAAA

26ms

TXT

263ms

CAA

29ms

HTTPS

55ms

TLSA

1263ms

SOA

62ms

MTA-STS

57ms

DNSSEC

67ms

SRV

113ms

Total

2180ms

🕐 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 shown	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