duboks.dk

📜 Historical scan 2026-08-26 17:33:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duboks.dk is a .dk domain served by 2 nameservers (emma.ns.cloudflare.com, graham.ns.cloudflare.com). It was registered on 14 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.63 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by duboks-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 1180ms

Nameserver	IP addresses	PTR	ASN / ISP
emma.ns.cloudflare.com	108.162.192.112 172.64.32.112 173.245.58.112 2606:4700:50::adf5:3a70 2803:f800:50::6ca2:c070 2a06:98c1:50::ac40:2070	emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
graham.ns.cloudflare.com	108.162.193.171 172.64.33.171 173.245.59.171 2606:4700:58::adf5:3bab 2803:f800:50::6ca2:c1ab 2a06:98c1:50::ac40:21ab	graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.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
104.21.10.63	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duboks-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::26 2a01:111:f403:ca09::6 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.25 52.101.73.19 52.101.73.6	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:a3f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:90b6	300s	—	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=104.21.10.63,172.67.144.182 ech=AEX+DQBBAQAgACCmE08AFi8wj8zkVCYeEKkHTSWCakI5+RhKNOfGMHA4TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:a3f,2606:4700:3034::ac43:90b6

🔌 SRV Records#

1 records 93ms

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

📝 TXT Records#

2 records 215ms

TXT Record
MS=ms58976268
v=spf1 include:zoho.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (duboks.dk)
-all (hard fail)	v=spf1 include:zoho.com 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 2026-10-08 15:37:33

www	104.21.10.63 172.67.144.182 2606:4700:3033::6815:a3f 2606:4700:3034::ac43:90b6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network duboks.dk: 104.21.10.63 172.67.144.182 2606:4700:3033::6815:a3f 2606:4700:3034::ac43:90b6 (AS13335) www.duboks.dk: 104.21.10.63 172.67.144.182 2606:4700:3033::6815:a3f 2606:4700:3034::ac43:90b6 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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	2410861169
Primary NS (MNAME)	emma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 22:48:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-14
Expires	2026-11-30 (42d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

1180ms

56ms

69ms

AAAA

63ms

TXT

215ms

CAA

74ms

HTTPS

55ms

TLSA

321ms

SOA

0ms

MTA-STS

68ms

DNSSEC

79ms

SRV

93ms

Total

2064ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 10:44:49	2059ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 10:30:37	1297ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 03:50:37	9700ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 17:33:14 shown	2064ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 01:18:52	9262ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 19:09:46	1035ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 22:40:10	1166ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:55:11	1700ms	2 NS 2 A 1 MX	🔓 Insecure