nielsbyskov.dk

📜 Historical scan 2026-08-28 08:37:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielsbyskov.dk is a .dk domain served by 2 nameservers (gigi.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 27 August 2026 (WHOIS) and first appeared in the .dk zone on 28 August 2026. Its website address 104.21.15.74 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
gigi.ns.cloudflare.com	108.162.194.12 162.159.38.12 172.64.34.12 2606:4700:50::a29f:260c 2803:f800:50::6ca2:c20c 2a06:98c1:50::ac40:220c	gigi.ns.cloudflare.com gigi.ns.cloudflare.com gigi.ns.cloudflare.com gigi.ns.cloudflare.com gigi.ns.cloudflare.com gigi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.74	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.238	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:f4a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a1ee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.74,172.67.161.238 ech=AEX+DQBBYgAgACCzY//CpT4mrzWsEGlRmUmiWbgF0nGLpdAcgMb1vUAGXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:f4a,2606:4700:3033::ac43:a1ee

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 08:40:43

www	104.21.15.74 172.67.161.238 2606:4700:3031::6815:f4a 2606:4700:3033::ac43:a1ee (AS13335) (address records, no CNAME)
www vs bare domain	Same network nielsbyskov.dk: 104.21.15.74 172.67.161.238 2606:4700:3031::6815:f4a 2606:4700:3033::ac43:a1ee (AS13335) www.nielsbyskov.dk: 104.21.15.74 172.67.161.238 2606:4700:3031::6815:f4a 2606:4700:3033::ac43:a1ee (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nielsbyskov.dk	2DK2NkzcQxqpPpE2MqDvBXr7TVTqgnR-pDstdZnrOTw
TXT	_acme-challenge.nielsbyskov.dk	icB7WXNeLlk1zvPKWRRjoLamglO8xa0GuwxbFgWbCSE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2413316071
Primary NS (MNAME)	gigi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 15:25:03

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-27
Expires	2027-08-26 (310d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

35ms

31ms

AAAA

37ms

TXT

176ms

CAA

29ms

HTTPS

32ms

TLSA

63ms

SOA

0ms

MTA-STS

49ms

DNSSEC

91ms

SRV

61ms

Total

613ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 08:40:43	427ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 22:30:28	744ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 01:22:10	401ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-23 17:55:52	684ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-19 09:49:40	2279ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-31 19:25:24	1075ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-30 03:30:54	891ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-28 08:37:47 shown	613ms	2 NS 2 A 0 MX	🔒 Secure