sistemo.dk

📜 Historical scan 2026-06-19 23:06:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sistemo.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 84.238.109.18 is hosted by Bolignet-aarhus F.m.b.a. (AS33796) in Denmark. Mail is handled by sistemo-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

5 records 92ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🌍 A Records#

1 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
84.238.109.18	300s	84-238-109-18.ptr.bnaa.dk	AS33796	Bolignet-aarhus F.m.b.a.	84.238.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sistemo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09::5 52.101.68.10 52.101.68.16 52.101.68.27 52.101.68.39	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.99.217.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 288ms

TXT Record
MS=ms98491498
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sistemo.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#

latest probe, not this scan · checked 2026-10-11 19:45:56

www CNAME	sistemo.dk (all on sistemo.dk) → 84.238.109.18 (AS33796)
www vs bare domain	Same network sistemo.dk: 84.238.109.18 (AS33796) www.sistemo.dk: 84.238.109.18 (AS33796)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sistemo.dk	8HpOHdho_ai7DuId8bPL0MO4PK37MfMCC1wQ9QVoqN8
TXT	_acme-challenge.sistemo.dk	tZlFjqzLc7VcBOkFTSKmkQLVXCOpdb4tYpRRFCJHwuY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

177ms

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

🏷️ SOA#

83ms

Field	Value
Serial	2025031103
Primary NS (MNAME)	ns1.he.net
Responsible (RNAME)	hostmaster@he.net
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

92ms

84ms

AAAA

98ms

TXT

288ms

CAA

94ms

HTTPS

95ms

TLSA

284ms

SOA

83ms

MTA-STS

135ms

DNSSEC

177ms

SRV

277ms

Total

979ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 22:31:31	3787ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-27 13:15:31	1209ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-24 11:27:42	1700ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-23 19:23:50	1178ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 17:34:27	1242ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-22 22:59:33	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:06:33 shown	979ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:54:39	3047ms	5 NS 1 A 1 MX	🔓 Insecure