olfira.dk

Records from scan: 2026-10-10 09:21:24 · 1346ms total · last checked 2026-10-22 08:28 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

olfira.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.23.255.28 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by olfira-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.23.255.28	600s	89-23-255-28.ip4.fiberby.net	AS42541	Fiberby ApS	89.23.224.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	olfira-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca3c::6 52.101.103.36 52.101.185.24 52.101.68.21 52.101.73.155	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.149.152
🔶 Autoconfig	olfira.dk → 89.23.255.28

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 135ms

TXT Record
MS=ms13848864
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (olfira.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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#

checked 2026-10-10 09:21:24

www CNAME	olfira.dk (all on olfira.dk) → 89.23.255.28 (AS42541)
www vs bare domain	Same network olfira.dk: 89.23.255.28 (AS42541) www.olfira.dk: 89.23.255.28 (AS42541)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.olfira.dk	olfira.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2026101001
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 2026-10-10 10:01:20

Field	Value
Registrar	ONE.COM A/S
Registered	2022-07-30
Expires	2027-07-29 (280d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

34ms

41ms

AAAA

34ms

TXT

135ms

CAA

34ms

HTTPS

33ms

TLSA

620ms

SOA

44ms

MTA-STS

46ms

DNSSEC

110ms

SRV

49ms

Total

1346ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 09:21:24 shown	1346ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 18:22:38	1288ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 08:34:22	1478ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 04:01:35	1951ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-29 14:18:33	6025ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 03:38:40	3729ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 08:32:48	1762ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 18:26:27	974ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:40:18	1793ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 23:14:17	1393ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:41:59	907ms	2 NS 1 A 1 MX	🔒 Secure