opsystem.dk DNS records

🖥️ Nameservers3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.fdab.se	82.209.128.20	ns1.fdab.se	AS29518 Bredband2 AB
ns2.fdab.se	192.165.199.2	ns2.fdab.se	AS29518 Bredband2 AB
ns3.fdab.se	4.225.163.105	—	AS8075 Microsoft Corporation

🌍 A Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.124.249.2	3600s	cloudproxy10002.sucuri.net	AS30148	Sucuri	192.124.249.0/24	🇺🇸 United States	Menifee

📧 MX Records1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opsystem-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 2a01:111:f403:ca48::8 52.101.68.25 52.101.73.126 52.101.73.24 52.101.73.4	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 326ms

TXT Record
google-site-verification=MiObBrG3w6XJO3Xlyk9THpFImjbVgIoCCAs1ZzdyOqM
v=spf1 include:spf.protection.outlook.com include:_spf.fdab.se -all

✉️ SPF

Policy	Record (opsystem.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.fdab.se -all

📨 DMARC

Policy	Record (_dmarc.opsystem.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC121ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026080501
Primary NS (MNAME)	ns1.fdab.se
Responsible (RNAME)	hostmaster@fdab.se
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

67ms

MX

72ms

AAAA

63ms

TXT

326ms

CAA

88ms

HTTPS

58ms

TLSA

362ms

SOA

0ms

MTA-STS

104ms

DNSSEC

121ms

SRV

138ms

Total

2286ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:41:42	2286ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 17:04:46	2585ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 16:50:18	25429ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 22:00:54	3283ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 17:20:53	5626ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 03:17:08	1084ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 11:03:07	1543ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 03:06:56	1275ms	3 NS 1 A 1 MX	🔓 Insecure	View