cortix.dk

📜 Historical scan 2026-06-16 22:55:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cortix.dk is a .dk domain served by 4 nameservers (dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.157.26.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx.simply.com, mx.backup.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

4 records 243ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.p01.nsone.net	—	—	—
dns2.p01.nsone.net	—	—	—
dns3.p01.nsone.net	—	—	—
dns4.p01.nsone.net	—	—	—

🌍 A Records#

2 records 213ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.157.26.135	—	ec2-35-157-26-135.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	35.156.0.0/14	🇩🇪 Germany	Frankfurt am Main
63.176.8.218	—	ec2-63-176-8-218.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 289ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S
20	—	mx.backup.simply.com	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 386ms

TXT Record
google-site-verification=eBYaNeJP5mfEH2mVV2uLvKB4_uWJ4caSI7sZHFF5dC8
v=spf1 include:amazonses.com ~all

✉️ SPF#

Policy	Record (cortix.dk)
~all (soft fail)	v=spf1 include:amazonses.com ~all

📨 DMARC#

Policy	Record (_dmarc.cortix.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:kontakt@cortix.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 15:06:21

www	35.157.26.135 63.176.8.218 (AS16509) (address records, no CNAME)
www vs bare domain	Same network cortix.dk: 35.157.26.135 63.176.8.218 (AS16509) www.cortix.dk: 35.157.26.135 63.176.8.218 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 292ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

366ms

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

🏷️ SOA#

217ms

Field	Value
Serial	1773495714
Primary NS (MNAME)	dns1.p01.nsone.net
Responsible (RNAME)	domains+netlify@netlify.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

243ms

213ms

289ms

AAAA

190ms

TXT

386ms

CAA

182ms

HTTPS

216ms

TLSA

292ms

SOA

217ms

MTA-STS

268ms

DNSSEC

366ms

SRV

0ms

Total

2036ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 03:25:49	2463ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-20 11:05:51	2388ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-16 22:55:25 shown	2036ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-16 22:30:24	662ms	4 NS 2 A 2 MX	🔓 Insecure