corteza.dk

📜 Historical scan 2026-06-27 13:34:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

corteza.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.159.101.157 is hosted by Leaseweb Deutschland GmbH (AS28753) in Germany. Mail is handled by mx1.us.opalstack.com, mx2.us.opalstack.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 32ms

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 Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.159.101.157	43200s	opal9.opalstack.com	AS28753	Leaseweb Deutschland GmbH	78.159.96.0/19	🇩🇪 Germany	—

📧 MX Records#

2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx1.us.opalstack.com	108.62.123.121	mx1.us.opalstack.com	AS30633 Leaseweb USA, Inc.
10	43200s	mx2.us.opalstack.com	23.82.16.244 2605:fe80:2100:bf03:7::2	mx2.us.opalstack.com mx2.us.opalstack.com	AS7203 Leaseweb USA, Inc. AS7203 Leaseweb USA, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	78.159.101.157
🔶 Autoconfig	78.159.101.157

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 08:43:17

www	78.159.101.157 (AS28753) (address records, no CNAME)
www vs bare domain	Same network corteza.dk: 78.159.101.157 (AS28753) www.corteza.dk: 78.159.101.157 (AS28753)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 23:37:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-03-01
Expires	2028-03-31 (531d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

AAAA

31ms

TXT

212ms

CAA

31ms

HTTPS

31ms

TLSA

473ms

SOA

31ms

MTA-STS

46ms

DNSSEC

55ms

SRV

59ms

Total

1214ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 08:43:17	2042ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-28 02:01:27	1098ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-15 05:00:29	2418ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 02:11:42	1134ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-11 20:27:07	5258ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 00:28:08	17039ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-16 20:13:06	1078ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-27 13:34:07 shown	1214ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 22:41:37	1622ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 22:30:20	824ms	2 NS 1 A 2 MX	🔒 Secure