bycow.dk DNS records

🖥️ Nameservers2 records 79ms

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 Records2 records 61ms

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 56ms

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 Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.76,172.67.205.227 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:254c,2606:4700:3031::ac43:cde3

📝 TXT Records1 records 246ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC126ms

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

🏷️ SOA0ms

Field	Value
Serial	2411941004
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

61ms

MX

82ms

AAAA

56ms

TXT

246ms

CAA

68ms

HTTPS

71ms

TLSA

61ms

SOA

0ms

MTA-STS

109ms

DNSSEC

126ms

SRV

100ms

Total

1014ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:29:44	1014ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-16 01:20:39	3762ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-12 03:10:10	4343ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-15 06:18:01	896ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 01:33:36	721ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 01:32:29	791ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 21:24:06	671ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 18:05:41	485ms	2 NS 2 A 0 MX	🔓 Insecure	View