tandkunsten.dk DNS records

🖥️ Nameservers2 records 45ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.12	3200s	prolinux100.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tandkunsten-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 2a01:111:f403:ca09::d 52.101.68.21 52.101.68.5 52.101.68.8 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records3 records 189ms

TXT Record
Managed by: http://www.conXO.dk - Bent Larsen +45 7020 0652
MS=ms13457196
v=spf1 ip4:5.103.48.30 include:spf.rpost.net include:spf.protection.outlook.com include:servers.mcsv.net include:spf.curanet.dk ~all

✉️ SPF

Policy	Record (tandkunsten.dk)
~all (soft fail)	v=spf1 ip4:5.103.48.30 include:spf.rpost.net include:spf.protection.outlook.com include:servers.mcsv.net include:spf.curanet.dk ~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

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
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

45ms

A

45ms

MX

57ms

AAAA

47ms

TXT

189ms

CAA

41ms

HTTPS

45ms

TLSA

756ms

SOA

0ms

MTA-STS

67ms

DNSSEC

84ms

SRV

71ms

Total

1887ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 10:13:08	1887ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 06:17:58	5630ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:45:20	1284ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 09:58:30	5621ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 08:42:37	825ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 15:38:03	1280ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:28:45	2423ms	2 NS 1 A 1 MX	🔒 Secure	View