ndl.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simpleagencygroup.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.simpleagencygroup.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 Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.251	360s	vps2.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ndl-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.21 52.101.68.27 52.101.73.4 52.101.73.8	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56
🔶 Autoconfig	ndl.dk → 178.20.217.251

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 121ms

TXT Record
MS=ms31218881
v=spf1 +a +mx +ip4:134.119.184.123 +ip4:138.201.239.158 +ip4:178.20.217.251 +ip4:88.99.200.20 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ndl.dk)
-all (hard fail)	v=spf1 +a +mx +ip4:134.119.184.123 +ip4:138.201.239.158 +ip4:178.20.217.251 +ip4:88.99.200.20 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ndl.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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
CNAME	_acme-challenge.ndl.dk	ndl.dk

🔗 TLSA / DANE

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

🔐 DNSSEC51ms

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

🏷️ SOA27ms

Field	Value
Serial	2025031701
Primary NS (MNAME)	ns1.simpleagencygroup.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

43ms

MX

36ms

AAAA

39ms

TXT

121ms

CAA

24ms

HTTPS

25ms

TLSA

128ms

SOA

27ms

MTA-STS

34ms

DNSSEC

51ms

SRV

40ms

Total

776ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-29 04:17:39	776ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 11:35:21	1168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 07:01:01	1162ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 19:34:48	2764ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 10:05:57	2709ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 16:45:58	838ms	2 NS 1 A 1 MX	🔒 Secure	View