byseo.dk

📜 Historical scan 2026-10-15 05:32:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byseo.dk is a .dk domain served by 2 nameservers (kami.ns.cloudflare.com, lex.ns.cloudflare.com). It was registered on 12 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.28 is hosted by Cloudflare, Inc. (AS13335). 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
kami.ns.cloudflare.com	108.162.192.177 172.64.32.177 173.245.58.177 2606:4700:50::adf5:3ab1 2803:f800:50::6ca2:c0b1 2a06:98c1:50::ac40:20b1	kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com kami.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lex.ns.cloudflare.com	108.162.193.196 172.64.33.196 173.245.59.196 2606:4700:58::adf5:3bc4 2803:f800:50::6ca2:c1c4 2a06:98c1:50::ac40:21c4	lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.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
104.21.21.28	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.5	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.21.28
🔶 Autoconfig	104.21.21.28

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:c405	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:151c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.28,172.67.196.5 ech=AEX+DQBBmAAgACCT6eUQblf3NIP/ssfA06ke2heKJeQpy7BlLNdJ+HwoSwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:c405,2606:4700:3037::6815:151c

📝 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 2026-10-16 12:02:00

www	104.21.21.28 172.67.196.5 2606:4700:3034::ac43:c405 2606:4700:3037::6815:151c (AS13335) (address records, no CNAME)
www vs bare domain	Same network byseo.dk: 104.21.21.28 172.67.196.5 2606:4700:3034::ac43:c405 2606:4700:3037::6815:151c (AS13335) www.byseo.dk: 104.21.21.28 172.67.196.5 2606:4700:3034::ac43:c405 2606:4700:3037::6815:151c (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byseo.dk	0BtF1CDAtnnAzMn0ZnW6jgBr_GqS73GnoR-a0iJoanI
TXT	_acme-challenge.byseo.dk	tuHl4cHHnPU9ZRotSJd9-H-zS44EGyvU01fKWr6mtQA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

25ms

Field	Value
Serial	2417481073
Primary NS (MNAME)	kami.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 12:33:40

Field	Value
Registrar	DANDOMAIN A/S
Registered	2025-07-12
Expires	2027-07-11 (264d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

35ms

30ms

AAAA

38ms

TXT

240ms

CAA

33ms

HTTPS

40ms

TLSA

54ms

SOA

25ms

MTA-STS

52ms

DNSSEC

104ms

SRV

57ms

Total

1269ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 12:02:00	1157ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-15 05:32:41 shown	1269ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-15 15:02:58	1235ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 19:25:37	516ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-16 13:32:02	3150ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 20:56:03	817ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 22:00:53	759ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 20:08:19	1039ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:25:56	482ms	2 NS 2 A 0 MX	🔓 Insecure