optimum-ventilation.dk

📜 Historical scan 2026-06-18 03:04:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimum-ventilation.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.210.177.22 is hosted by CoMaSys ApS (AS51377) in Denmark. Mail is handled by optimumventilation-dk01i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 53ms

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 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.210.177.22	—	wp06.comasys.dk	AS51377	CoMaSys ApS	185.210.176.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	optimumventilation-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09:: 52.101.73.11 52.101.73.15 52.101.73.2 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40
🔶 Autoconfig	68.183.208.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 287ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 163ms

TXT Record
MS=ms67881015
v=spf1 include:spf.protection.outlook.com ip4:87.55.244.122 +a -all

✉️ SPF#

Policy	Record (optimum-ventilation.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:87.55.244.122 +a -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-11 04:00:09

www	185.210.177.22 (AS51377) (address records, no CNAME)
www vs bare domain	Same network optimum-ventilation.dk: 185.210.177.22 (AS51377) www.optimum-ventilation.dk: 185.210.177.22 (AS51377)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2026060801
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 2026-10-04 19:31:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-12-03
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

78ms

50ms

AAAA

63ms

TXT

163ms

CAA

64ms

HTTPS

52ms

TLSA

214ms

SOA

66ms

MTA-STS

110ms

DNSSEC

176ms

SRV

287ms

Total

1002ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 19:20:13	1285ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 10:18:29	1037ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 18:46:14	1398ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 02:22:49	1247ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 06:27:12	5322ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 09:23:59	1601ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:04:54 shown	1002ms	2 NS 1 A 1 MX	🔒 Secure