tack.dk DNS records

🖥️ Nameservers2 records 27ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.76.149	3600s	prod49.magentohotel.dk	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tack-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09::9 52.101.68.15 52.101.68.36 52.101.73.15 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8
🔶 Autoconfig	185.31.76.149

🔷 AAAA Records (IPv6)1 records 23ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:b920:2:1337::149	3600s	prod49.magentohotel.dk	AS47527	DLX A/S	2a00:b920:0:0:0:0:0:0/29	🇩🇰 Denmark	Herning

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 135ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk include:spf.mailanyone.net include:one.zoho.eu include:zcsend.eu include:eu.transmail.net -all

✉️ SPF

Policy	Record (tack.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk include:spf.mailanyone.net include:one.zoho.eu include:zcsend.eu include:eu.transmail.net -all

📨 DMARC

Policy	Record (_dmarc.tack.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6597c839d86ee@dmarc-dk.centerasecurity.com;

📬 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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

27ms

A

35ms

MX

32ms

AAAA

23ms

TXT

135ms

CAA

28ms

HTTPS

36ms

TLSA

297ms

SOA

0ms

MTA-STS

39ms

DNSSEC

99ms

SRV

51ms

Total

795ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:56:39	795ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:10:28	1240ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 19:30:04	2034ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 10:12:37	3952ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 13:45:50	1848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 01:41:52	1927ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 17:58:04	2647ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:27:46	1135ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:21:20	1954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 19:25:34	2608ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:25:31	772ms	2 NS 1 A 1 MX	🔒 Secure	View