tennis.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	43200s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tennis-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca38::a 52.101.103.143 52.101.68.18 52.101.73.123 52.101.91.153	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.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
32767	43200s	ms31425930.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 217ms

TXT Record
ca3-aed1f3f8a22d49e3af69ef24d837ce4c
MS=ms31425930
v=spf1 ip4:193.138.115.106 a:mail.halbooking.dk include:spf.protection.outlook.com include:_spf.presscloud.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (tennis.dk)
-all (hard fail)	v=spf1 ip4:193.138.115.106 a:mail.halbooking.dk include:spf.protection.outlook.com include:_spf.presscloud.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.tennis.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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
CNAME	_acme-challenge.tennis.dk	tennis.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

38ms

MX

45ms

AAAA

37ms

TXT

217ms

CAA

46ms

HTTPS

43ms

TLSA

375ms

SOA

0ms

MTA-STS

45ms

DNSSEC

81ms

SRV

64ms

Total

1027ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-05 04:57:46	1027ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 10:49:44	932ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 12:39:08	2065ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 21:38:02	1220ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-14 02:48:56	1102ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 23:29:31	883ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 10:38:16	834ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 10:41:13	955ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:07:58	1728ms	2 NS 1 A 2 MX	🔒 Secure	View