acsr.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dataspecialisten.dk	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.dataspecialisten.dk	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.201.240.150	360s	re01.azehosting.net	AS24940	Hetzner Online GmbH	195.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	acsr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.32 52.101.73.145 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.24
🔶 Autoconfig	195.201.240.150

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:231:c7::2	3600s	re01.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

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

📝 TXT Records1 records 333ms

TXT Record
v=spf1 ip4:195.201.240.150 include:spf.azehosting.net +a +mx +include:spf.resellerhotel.dk +include:spf.protection.outlook.com +include:_spf.google.com -all

✉️ SPF

Policy	Record (acsr.dk)
-all (hard fail)	v=spf1 ip4:195.201.240.150 include:spf.azehosting.net +a +mx +include:spf.resellerhotel.dk +include:spf.protection.outlook.com +include:_spf.google.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.acsr.dk	zM64GDUgJZczcVkqZFrQoslkNPMCy_-JjCjl3L_-kgw

🔗 TLSA / DANE

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

🔐 DNSSEC2075ms

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	2026071901
Primary NS (MNAME)	ns1.dataspecialisten.dk
Responsible (RNAME)	hosting@dataspecialisten.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

53ms

MX

47ms

AAAA

46ms

TXT

333ms

CAA

59ms

HTTPS

58ms

TLSA

373ms

SOA

0ms

MTA-STS

76ms

DNSSEC

2075ms

SRV

106ms

Total

3329ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:33:28	3329ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 06:21:20	1596ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 02:19:05	2318ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 10:56:47	4171ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 06:49:32	902ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:00:13	1698ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:51:30	1514ms	2 NS 1 A 1 MX	🔓 Insecure	View