optimum-ventilation.dk

Records from scan: 2026-10-04 19:20:13 · 1285ms total · last checked 2026-10-17 09:34 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.210.177.22	3600s	wp06.comasys.dk	AS51377	CoMaSys ApS	185.210.176.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optimumventilation-dk01i.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 52.101.103.162 52.101.68.15 52.101.68.39 52.101.73.155	mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr02cu00203.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 55ms

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

📝 TXT Records#

2 records 174ms

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#

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#

55ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026100301
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 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

36ms

34ms

AAAA

29ms

TXT

174ms

CAA

29ms

HTTPS

28ms

TLSA

796ms

SOA

42ms

MTA-STS

61ms

DNSSEC

55ms

SRV

55ms

Total

1285ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 19:20:13 shown	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	1002ms	2 NS 1 A 1 MX	🔒 Secure