nielsove.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.43.12	3600s	linux12.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu-c01.centiumsecurity.dk	—	—	—
10	3600s	eu-c02.centiumsecurity.dk	—	—	—
50	3600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
50	3600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	185.21.43.12

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 150ms

TXT Record
MS=ms34790749
v=spf1 ip4:193.200.225.0/24 include:_spf.centiumsecurity.dk include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nielsove.dk)
-all (hard fail)	v=spf1 ip4:193.200.225.0/24 include:_spf.centiumsecurity.dk include:spf-esec.heimdalsecurity.com 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

🔗 TLSA / DANE2 records 145ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2024020101
Primary NS (MNAME)	ns1.curanet.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

50ms

A

38ms

MX

43ms

AAAA

50ms

TXT

150ms

CAA

45ms

HTTPS

43ms

TLSA

145ms

SOA

0ms

MTA-STS

52ms

DNSSEC

84ms

SRV

59ms

Total

681ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 06:43:29	681ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 08:24:01	2150ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 14:50:16	752ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 04:37:07	780ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 19:25:59	764ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 12:19:56	1025ms	2 NS 1 A 4 MX	🔒 Secure	View