ar-systems.dk

📜 Historical scan 2026-06-27 11:40:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ar-systems.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.202 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by arsystems-dk0e.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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.202	360s	vm0521.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	arsystems-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 52.101.73.1 52.101.73.19 52.101.73.4 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 35ms

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

📝 TXT Records#

2 records 133ms

TXT Record
MS=ms34179027
v=spf1 ip4:116.202.162.225 ip4:217.195.178.0/24 include:spf.protection.outlook.com +a +mx -all

✉️ SPF#

Policy	Record (ar-systems.dk)
-all (hard fail)	v=spf1 ip4:116.202.162.225 ip4:217.195.178.0/24 include:spf.protection.outlook.com +a +mx -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 2026-10-16 03:09:00

www	185.21.41.202 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ar-systems.dk: 185.21.41.202 (AS48854) www.ar-systems.dk: 185.21.41.202 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2024050802
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

35ms

43ms

AAAA

33ms

TXT

133ms

CAA

77ms

HTTPS

34ms

TLSA

212ms

SOA

28ms

MTA-STS

32ms

DNSSEC

59ms

SRV

35ms

Total

835ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:03:18	552ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 07:48:14	834ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 14:19:57	1352ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 10:01:15	821ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 11:40:53 shown	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 03:36:59	2838ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 18:06:52	1068ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 15:42:53	1422ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 15:06:23	4067ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:33:45	1278ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:00:19	2492ms	2 NS 1 A 1 MX	🔒 Secure