byseo.dk

📜 Historical scan 2026-06-16 18:25:56 · ← 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
kami.ns.cloudflare.com	—	—	—
lex.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.28	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.5	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:151c	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c405	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.28,172.67.196.5 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:151c,2606:4700:3036::ac43:c405

📝 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

223ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2405523939
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 (266d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

45ms

46ms

AAAA

47ms

TXT

205ms

CAA

46ms

HTTPS

43ms

TLSA

53ms

SOA

42ms

MTA-STS

60ms

DNSSEC

223ms

SRV

0ms

Total

482ms

🕐 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	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 shown	482ms	2 NS 2 A 0 MX	🔓 Insecure