4curves.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.designrus.dk	176.9.4.22 2a01:4f8:141:3416::2	server1.designrus.dk server1.designrus.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.designrus.dk	2a01:4f8:242:5649::2 49.12.124.182	server2.designrus.dk server2.designrus.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.173.67	3600s	dev2.designrus.dk	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	server1.designrus.dk	176.9.4.22 2a01:4f8:141:3416::2	server1.designrus.dk server1.designrus.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	4curves.dk → 135.181.173.67
🔶 Autoconfig	discover.designrus.dk → 49.12.124.182

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 88ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	discover.designrus.dk

📝 TXT Records1 records 229ms

TXT Record
v=spf1 mx a include:_spf.designrus.dk ~all

✉️ SPF

Policy	Record (4curves.dk)
~all (soft fail)	v=spf1 mx a include:_spf.designrus.dk ~all

📨 DMARC

Policy	Record (_dmarc.4curves.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@4curves.dk

📬 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.4curves.dk	4curves.dk

🔗 TLSA / DANE

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

🔐 DNSSEC110ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026083002
Primary NS (MNAME)	ns1.designrus.dk
Responsible (RNAME)	admin@designrus.dk
Refresh	1200s
Retry	540s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

42ms

MX

36ms

AAAA

41ms

TXT

229ms

CAA

41ms

HTTPS

35ms

TLSA

190ms

SOA

0ms

MTA-STS

50ms

DNSSEC

110ms

SRV

88ms

Total

739ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 05:39:32	739ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 04:58:47	1932ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 21:20:01	9127ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 13:18:27	2077ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 20:28:34	1311ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-07 02:17:48	1214ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-02 10:21:03	1477ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 21:09:31	1012ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 07:36:17	1151ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 08:21:07	1147ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-11 03:26:49	9645ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-07 03:48:46	1082ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 22:32:47	804ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 04:11:22	867ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 10:32:44	674ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 12:40:38	584ms	2 NS 1 A 1 MX	🔓 Insecure	View