tresuinvestmentholding.dk DNS records

🖥️ Nameservers4 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
a.ns14.net	2001:8d8:fe:53:217:160:80:160 217.160.80.160	ns-ix1.ui-dns.de ns-ix1.ui-dns.de	AS8560 IONOS SE AS8560 IONOS SE
b.ns14.net	2001:8d8:fe:53:217:160:81:160 217.160.81.160	ns-ix1.ui-dns.biz ns-ix1.ui-dns.biz	AS8560 IONOS SE AS8560 IONOS SE
c.ns14.net	185.132.35.160 2607:f1c0:fe:53:185:132:35:160	ns-ix1.ui-dns.org ns-ix1.ui-dns.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
d.ns14.net	185.132.34.160 2607:f1c0:fe:53:185:132:34:160	ns-ix1.ui-dns.com ns-ix1.ui-dns.com	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records

🌍

No A records found

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tresuinvestmentholding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 52.101.68.27 52.101.73.2 52.101.73.26 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 276ms

TXT Record
MS=ms81626944
v=spf1 ip4:194.182.26.15 ip4:87.104.232.84 ip4:87.52.100.164 ip4:152.115.121.60 ip4:193.201.39.91 ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 include:spf.protection.outlook.com include:spfrerouting.xink.io include:spf.flowmailer.net -all

✉️ SPF

Policy	Record (tresuinvestmentholding.dk)
-all (hard fail)	v=spf1 ip4:194.182.26.15 ip4:87.104.232.84 ip4:87.52.100.164 ip4:152.115.121.60 ip4:193.201.39.91 ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 include:spf.protection.outlook.com include:spfrerouting.xink.io include:spf.flowmailer.net -all

📨 DMARC

Policy	Record (_dmarc.tresuinvestmentholding.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC98ms

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	2023083100
Primary NS (MNAME)	a.ns14.net
Responsible (RNAME)	do-not-reply@tresuinvestmentholding.dk
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

63ms

A

71ms

MX

54ms

AAAA

70ms

TXT

276ms

CAA

63ms

HTTPS

67ms

TLSA

315ms

SOA

0ms

MTA-STS

81ms

DNSSEC

98ms

SRV

92ms

Total

944ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:36:31	944ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 09:39:20	3181ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 02:51:42	978ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 14:37:54	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 22:34:20	4858ms	4 NS 0 A 1 MX	🔓 Insecure	View