fairerhvervsoptik.dk

📜 Historical scan 2026-09-08 11:00:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fairerhvervsoptik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.236.31 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by fairerhvervsoptik-dk.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 24ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.229.236.31	3600s	hosting.greenwebdesign.dk	AS215686	Edelskjold Holding ApS	91.229.236.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fairerhvervsoptik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 52.101.68.25 52.101.73.15 52.101.73.8 52.101.91.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 39ms

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

📝 TXT Records#

2 records 108ms

TXT Record
MS=ms32066533
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all

✉️ SPF#

Policy	Record (fairerhvervsoptik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -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 2026-10-08 15:20:36

www	91.229.236.31 (AS215686) (address records, no CNAME)
www vs bare domain	Same network fairerhvervsoptik.dk: 91.229.236.31 (AS215686) www.fairerhvervsoptik.dk: 91.229.236.31 (AS215686)
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-fairerhvervsoptik-dk._domainkey.fairerhvervsoptik.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090301
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 2026-10-05 11:05:49

Field	Value
Registrar	ONE.COM A/S
Registered	2005-09-19
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

25ms

28ms

AAAA

28ms

TXT

108ms

CAA

30ms

HTTPS

23ms

TLSA

431ms

SOA

0ms

MTA-STS

39ms

DNSSEC

94ms

SRV

39ms

Total

901ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 10:36:46	1102ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:39:18	1148ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 11:00:47 shown	901ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 17:10:00	2182ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 21:35:12	2268ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:51:30	710ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 09:59:18	1116ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:48:04	1554ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 02:50:47	2573ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:12:33	1017ms	2 NS 1 A 1 MX	🔒 Secure