ntk-tennis.dk DNS records

🖥️ Nameservers2 records 129ms

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 Records

🌍

No A records found

📧 MX Records1 records 154ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	ntktennis-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca09::5 2a01:111:f403:ca09::f 52.101.103.140 52.101.68.29 52.101.68.5 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 404ms

TXT Record
MS=ms60120237
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ntk-tennis.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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.ntk-tennis.dk	6yAOf5OBFUZNg9ZE-2QKzOkP7iFrlKEIF8lEU2dLi0w
TXT	_acme-challenge.ntk-tennis.dk	MIs23e2VcI1sJg7yTyQW8UpyAM5suC1aWf3i793o9Dc

🔗 TLSA / DANE

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

🔐 DNSSEC331ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413583589
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

129ms

A

165ms

MX

154ms

AAAA

148ms

TXT

404ms

CAA

138ms

HTTPS

127ms

TLSA

844ms

SOA

0ms

MTA-STS

198ms

DNSSEC

331ms

SRV

245ms

Total

2277ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:13:10	2277ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-28 09:28:22	1267ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-02 20:26:02	1339ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 07:30:29	1043ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-20 11:18:51	673ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 04:05:36	1118ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 19:28:53	9633ms	2 NS 2 A 1 MX	🔓 Insecure	View