dotnetnerd.dk

📜 Historical scan 2026-08-16 06:08:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dotnetnerd.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, zod.ns.cloudflare.com). It was registered on 14 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.104 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 65c22afa448d4cb4560cea14f57583.pamx1.hotmail.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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zod.ns.cloudflare.com	108.162.193.250 172.64.33.250 173.245.59.250 2606:4700:58::adf5:3bfa 2803:f800:50::6ca2:c1fa 2a06:98c1:50::ac40:21fa	zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.104	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.118	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	65c22afa448d4cb4560cea14f57583.pamx1.hotmail.com	52.101.194.14 52.101.40.7 52.101.42.15 52.101.73.29	— — — —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1168	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:af76	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.104,172.67.175.118 ech=AEX+DQBB9gAgACC6kVhOC+xjEDoQ1vMbJc3XgeCJriRAar5NDsNVKErFNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1168,2606:4700:3033::ac43:af76

🔌 SRV Records#

1 records 298ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	2	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 176ms

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

✉️ SPF#

Policy	Record (dotnetnerd.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 2026-10-15 13:33:52

www	104.21.17.104 172.67.175.118 2606:4700:3031::6815:1168 2606:4700:3033::ac43:af76 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dotnetnerd.dk: 104.21.17.104 172.67.175.118 2606:4700:3031::6815:1168 2606:4700:3033::ac43:af76 (AS13335) www.dotnetnerd.dk: 104.21.17.104 172.67.175.118 2606:4700:3031::6815:1168 2606:4700:3033::ac43:af76 (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#

2063ms

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	2412331250
Primary NS (MNAME)	fiona.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 13:44:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-01-14
Expires	2027-01-31 (101d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
holmdiget.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

41ms

37ms

AAAA

42ms

TXT

176ms

CAA

51ms

HTTPS

39ms

TLSA

110ms

SOA

0ms

MTA-STS

67ms

DNSSEC

2063ms

SRV

298ms

Total

3133ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 13:33:52	538ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 16:10:11	657ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 08:35:36	631ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 14:00:54	2400ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 05:06:38	789ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 06:08:16 shown	3133ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-07 05:11:40	8977ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 23:25:55	1546ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:31:05	522ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:20:30	638ms	2 NS 2 A 1 MX	🔓 Insecure