nsdn.dk DNS records

🖥️ Nameservers4 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.206.180.167	3600s	42.http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—
185.206.180.185	3600s	185.http4.cloudns.net	AS205787	Public Cloud Ltd.	185.206.180.0/22	🇩🇪 Germany	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nsdn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::a 52.101.68.32 52.101.73.11 52.101.73.15 52.101.73.155	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00203.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)2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0b:1640:1:1:1013:1:1:1	3600s	185.http4.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—
2a0b:1640:1:1:1:1:1783:3454	3600s	http-proxy2.cloudns.net	AS205787	Public Cloud Ltd.	2a0b:1640:1:0:0:0:0:0/48	🇧🇬 Bulgaria	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 122ms

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

📝 TXT Records2 records 303ms

TXT Record
mscid=TveXb0zTQIlZEQtLGh0RHVO06KPjHkpRcd9OV3k4csDj8e1E9FUucvOrjdHE1QPc8PjYSDY9JyxsHAOfK5qxGw==
v=spf1 ip4:46.183.138.100 include:spf.protection.outlook.com include:sendgrid.net include:spf.dandomain.dk -all

✉️ SPF

Policy	Record (nsdn.dk)
-all (hard fail)	v=spf1 ip4:46.183.138.100 include:spf.protection.outlook.com include:sendgrid.net include:spf.dandomain.dk -all

📨 DMARC

Policy	Record (_dmarc.nsdn.dk)
p=reject	v=DMARC1; p=reject;

📬 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)

🔐 DNSSEC2054ms

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	2026030602
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

48ms

A

51ms

MX

54ms

AAAA

74ms

TXT

303ms

CAA

53ms

HTTPS

80ms

TLSA

609ms

SOA

0ms

MTA-STS

114ms

DNSSEC

2054ms

SRV

122ms

Total

3170ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:11:15	3170ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 07:57:15	2024ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 04:36:10	1161ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 12:59:16	3485ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 11:30:13	948ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:16:24	3135ms	4 NS 2 A 1 MX	🔓 Insecure	View