btk-tennis.dk DNS records

🖥️ Nameservers2 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
carioca.ns.cloudflare.com	108.162.194.20 162.159.38.20 172.64.34.20 2606:4700:50::a29f:2614 2803:f800:50::6ca2:c214 2a06:98c1:50::ac40:2214	carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roman.ns.cloudflare.com	108.162.195.103 162.159.44.103 172.64.35.103 2606:4700:58::a29f:2c67 2803:f800:50::6ca2:c367 2a06:98c1:50::ac40:2367	roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.202	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 175ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3d27	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cdca	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 148ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.39,172.67.205.202 ech=AEX+DQBBJAAgACCgJsp1PyUgRagXBDtA/AIREEggoQoisT4ZAfNS7dWLBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d27,2606:4700:3033::ac43:cdca

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.btk-tennis.dk	ozlhFFsErdRxd0cAB_U7CdYVCRpaqvxrkJ2mWaJgx14
TXT	_acme-challenge.btk-tennis.dk	VvSsLy210OoTA2YYtzocArMTUpMevdTzGw2W8GkAopo

🔗 TLSA / DANE

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

🔐 DNSSEC330ms

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	2413534124
Primary NS (MNAME)	carioca.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

113ms

A

96ms

MX

175ms

AAAA

126ms

TXT

433ms

CAA

113ms

HTTPS

148ms

TLSA

160ms

SOA

0ms

MTA-STS

169ms

DNSSEC

330ms

SRV

205ms

Total

1852ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:23:03	1852ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 07:34:15	1219ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 03:38:59	1181ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 04:47:04	1030ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 01:58:34	998ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 07:12:43	2820ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:38:48	2097ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:36:19	1619ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:30:08	2515ms	2 NS 2 A 1 MX	🔓 Insecure	View