js-ventilation.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
dahlia.ns.cloudflare.com	108.162.192.89 172.64.32.89 173.245.58.89 2606:4700:50::adf5:3a59 2803:f800:50::6ca2:c059 2a06:98c1:50::ac40:2059	dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jerry.ns.cloudflare.com	108.162.193.182 172.64.33.182 173.245.59.182 2606:4700:58::adf5:3bb6 2803:f800:50::6ca2:c1b6 2a06:98c1:50::ac40:21b6	jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.45	300s	linux28.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jsventilation-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 52.101.73.16 52.101.73.24 52.101.73.28 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr04cu00500.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	185.21.40.45

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 172ms

TXT Record
_m9rac4rcafze45i7wg9pfbcc1acrzdw
apple-domain-verification=M5CGTx9bqijj6nE8
v=spf1 ip4:2.109.76.190 include:spf.protection.outlook.com include:_custspf.one.com include:spf-de.emailsignatures365.com -all

✉️ SPF

Policy	Record (js-ventilation.dk)
-all (hard fail)	v=spf1 ip4:2.109.76.190 include:spf.protection.outlook.com include:_custspf.one.com include:spf-de.emailsignatures365.com -all

📨 DMARC

Policy	Record (_dmarc.js-ventilation.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:f25f3dd4b86e4966aa0f6c07a3a425e2@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC151ms

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	2412296616
Primary NS (MNAME)	dahlia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

36ms

MX

47ms

AAAA

46ms

TXT

172ms

CAA

35ms

HTTPS

31ms

TLSA

188ms

SOA

0ms

MTA-STS

273ms

DNSSEC

151ms

SRV

116ms

Total

1578ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 11:58:02	1578ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 16:45:16	1282ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 01:36:14	887ms	2 NS 1 A 1 MX	🔓 Insecure	View