cortenstyle.dk

📜 Historical scan 2026-07-15 13:51:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cortenstyle.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.cortenstyle.dk, mx1.onlinemail.io and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 136ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.191	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.225	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.cortenstyle.dk	—	—	—
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 89ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b4e1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:4bbf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 130ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.191,172.67.180.225 ech=AEX+DQBBawAgACCCU73VtgaTUMwe0BCQORJ/OpU2++MTK4eEAh9Z2BkadwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b4e1,2606:4700:3034::6815:4bbf

📝 TXT Records#

2 records 247ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all
v=spf1 a mx ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (cortenstyle.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.dk ~all
~all (soft fail)	v=spf1 a mx ~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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 15:54:53

www	104.21.75.191 172.67.180.225 2606:4700:3032::ac43:b4e1 2606:4700:3034::6815:4bbf (AS13335) (address records, no CNAME)
www vs bare domain	Same network cortenstyle.dk: 104.21.75.191 172.67.180.225 2606:4700:3032::ac43:b4e1 2606:4700:3034::6815:4bbf (AS13335) www.cortenstyle.dk: 104.21.75.191 172.67.180.225 2606:4700:3032::ac43:b4e1 2606:4700:3034::6815:4bbf (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2409531133
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

136ms

134ms

135ms

AAAA

89ms

TXT

247ms

CAA

85ms

HTTPS

130ms

TLSA

601ms

SOA

0ms

MTA-STS

143ms

DNSSEC

207ms

SRV

276ms

Total

1651ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:10:57	497ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-27 14:46:25	851ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-14 01:42:22	2031ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-06 04:34:51	1608ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-29 10:09:42	1692ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-15 13:51:32 shown	1651ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-01 23:56:45	1656ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 22:49:11	1832ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 22:30:40	642ms	2 NS 2 A 3 MX	🔓 Insecure