windowmaster.dk DNS records

🖥️ Nameservers5 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	windowmaster-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 52.101.68.12 52.101.68.18 52.101.73.22 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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 Records5 records 238ms

TXT Record
3dLTYjstw6ZaUTyAXeM9KT8iyTxXp6WAtHGpmpYRrvdoU0rBT+PKjfRWmpk+KNOyNaM//2gvDYN5a6VSWyktTw==
anthropic-domain-verification-t1w83b=3kyKcx3vqfWvRSaDh7r1DPMAz
d365mktkey=oTxsqkUsQiVml5pWhhBLLOyEe7SqmeVmKB5eSZN0idAx
facebook-domain-verification=65z2nkx76v5enuv39j41nibzvrxlx1
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.windowmaster.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:ipc5uqg4@ag.eu.dmarcadvisor.com; ruf=mailto:ipc5uqg4@fr.eu.dmarcadvisor.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)

🔐 DNSSEC90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081401
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

59ms

MX

63ms

AAAA

60ms

TXT

238ms

CAA

43ms

HTTPS

56ms

TLSA

365ms

SOA

0ms

MTA-STS

77ms

DNSSEC

90ms

SRV

85ms

Total

1137ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 00:29:59	1137ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 23:47:38	6441ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 07:02:50	1348ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 04:10:25	1867ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 14:27:52	1137ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:53:50	3535ms	5 NS 1 A 1 MX	🔓 Insecure	View