bycow.dk

📜 Historical scan 2026-09-19 02:12:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bycow.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, vasilii.ns.cloudflare.com). It was registered on 8 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.76 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 123ms

Nameserver	IP addresses	PTR	ASN / ISP
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vasilii.ns.cloudflare.com	108.162.195.26 162.159.44.26 172.64.35.26 2606:4700:58::a29f:2c1a 2803:f800:50::6ca2:c31a 2a06:98c1:50::ac40:231a	vasilii.ns.cloudflare.com vasilii.ns.cloudflare.com vasilii.ns.cloudflare.com vasilii.ns.cloudflare.com vasilii.ns.cloudflare.com vasilii.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 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.76	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:254c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:cde3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 134ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.76,172.67.205.227 ech=AEX+DQBBZQAgACBRdoxUUJTvit/oR9Pdv6jE6khZ2Q5YhSANn3VNsc8USQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:254c,2606:4700:3031::ac43:cde3

📝 TXT Records#

1 records 255ms

TXT Record
google-site-verification=pynpnqhz5rrjrgeojhml9mdunrjtqm1q7fujjya9zpu

✉️ 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 2026-10-09 22:47:18

www	104.21.37.76 172.67.205.227 2606:4700:3031::6815:254c 2606:4700:3031::ac43:cde3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bycow.dk: 104.21.37.76 172.67.205.227 2606:4700:3031::6815:254c 2606:4700:3031::ac43:cde3 (AS13335) www.bycow.dk: 104.21.37.76 172.67.205.227 2606:4700:3031::6815:254c 2606:4700:3031::ac43:cde3 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

154ms

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	2414758338
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 02:07:04

Field	Value
Registrar	NETIM
Registered	2026-04-08
Expires	2027-04-07 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

123ms

105ms

142ms

AAAA

100ms

TXT

255ms

CAA

111ms

HTTPS

134ms

TLSA

244ms

SOA

0ms

MTA-STS

140ms

DNSSEC

154ms

SRV

147ms

Total

1228ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 22:47:18	553ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 15:23:19	618ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 02:12:47 shown	1228ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 00:09:32	1513ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 14:29:44	1014ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-16 01:20:39	3762ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 03:10:10	4343ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-15 06:18:01	896ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 01:33:36	721ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 01:32:29	791ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 21:24:06	671ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:05:41	485ms	2 NS 2 A 0 MX	🔓 Insecure