proventilation.dk

📜 Historical scan 2026-09-14 22:34:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

proventilation.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.161 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by proventilation-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 50ms

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 Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.161	900s	linux143.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	proventilation-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca21::c 2a01:111:f403:ca21::e 2a01:111:f403:ca38::8 52.101.103.143 52.101.103.36 52.101.185.21 52.101.91.156	mail-du0pr03cu00102.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-maspr04cu00104.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 Records#

1 records 64ms

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

📝 TXT Records#

2 records 183ms

TXT Record
MS=ms54890039
v=spf1 ip4:80.198.69.188 include:spf.protection.outlook.com include:spf.mailanyone.net include:_spf.centerasecurity.dk -all

✉️ SPF#

Policy	Record (proventilation.dk)
-all (hard fail)	v=spf1 ip4:80.198.69.188 include:spf.protection.outlook.com include:spf.mailanyone.net include:_spf.centerasecurity.dk -all

📨 DMARC#

Policy	Record (_dmarc.proventilation.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@progruppen.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 15:53:56

www	94.231.103.161 (AS48854) (address records, no CNAME)
www vs bare domain	Same network proventilation.dk: 94.231.103.161 (AS48854) www.proventilation.dk: 94.231.103.161 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-proventilation-dk._domainkey.progruppen.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 20:52:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-09-12
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

38ms

56ms

AAAA

42ms

TXT

183ms

CAA

53ms

HTTPS

48ms

TLSA

751ms

SOA

0ms

MTA-STS

51ms

DNSSEC

72ms

SRV

64ms

Total

1330ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:53:56	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 20:33:42	3703ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:28:47	3696ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 00:31:09	1092ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 22:34:20 shown	1330ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 08:24:55	839ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 00:45:21	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:20:50	1126ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 02:26:44	4629ms	2 NS 1 A 1 MX	🔒 Secure