copenhageninvestor.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.9.62.138	600s	gw.clnup.digital	AS24940	Hetzner Online GmbH	5.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	666s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 46.36.209.50
🔶 Autoconfig	autodiscoverredirect.webexchange.nu → 46.36.209.50

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 110ms

TXT Record
v=spf1 include:spf.scannet.dk -all

✉️ SPF

Policy	Record (copenhageninvestor.dk)
-all (hard fail)	v=spf1 include:spf.scannet.dk -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
CNAME	_acme-challenge.copenhageninvestor.dk	autodiscoverredirect.webexchange.nu

🔗 TLSA / DANE1 records 727ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

21ms

A

27ms

MX

21ms

AAAA

23ms

TXT

110ms

CAA

30ms

HTTPS

33ms

TLSA

727ms

SOA

0ms

MTA-STS

35ms

DNSSEC

97ms

SRV

38ms

Total

1290ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 03:17:07	1290ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 10:37:06	759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:54:10	2403ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 22:31:50	773ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:27:50	644ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:21:20	879ms	2 NS 1 A 1 MX	🔒 Secure	View