sistemo.dk DNS records

🖥️ Nameservers5 records 50ms

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 Records1 records 66ms

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 Records1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sistemo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 52.101.68.16 52.101.73.15 52.101.73.19 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00204.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

📝 TXT Records2 records 352ms

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

🔏 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)

🔐 DNSSEC87ms

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

🏷️ SOA69ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

66ms

MX

92ms

AAAA

65ms

TXT

352ms

CAA

58ms

HTTPS

49ms

TLSA

244ms

SOA

69ms

MTA-STS

72ms

DNSSEC

87ms

SRV

103ms

Total

1209ms

🕐 Scan History

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