olfira.dk DNS records

🖥️ Nameservers2 records 46ms

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 Records1 records 47ms

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 Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	olfira-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 52.101.73.123 52.101.73.126 52.101.73.24 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.56
🔶 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 Records2 records 182ms

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

🔏 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)

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

47ms

MX

42ms

AAAA

49ms

TXT

182ms

CAA

70ms

HTTPS

42ms

TLSA

691ms

SOA

0ms

MTA-STS

62ms

DNSSEC

85ms

SRV

72ms

Total

1478ms

🕐 Scan History

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