corteza.dk

📜 Historical scan 2026-08-11 20:27:07  ·  ← 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   44ms
NameserverIP addressesPTRASN / 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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.159.101.157 43200s opal9.opalstack.com AS28753 Leaseweb Deutschland GmbH 78.159.96.0/19 🇩🇪 Germany —

📧 MX Records#

2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscover78.159.101.157
🔶 Autoconfig78.159.101.157

🔷 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
www78.159.101.157 (AS28753) (address records, no CNAME)
www vs bare domainSame network
corteza.dk: 78.159.101.157 (AS28753)
www.corteza.dk: 78.159.101.157 (AS28753)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

77ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

50ms
FieldValue
Serial2026081101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-10 23:37:26
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2009-03-01
Expires2028-03-31 (531d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
38ms
MX
52ms
AAAA
42ms
TXT
193ms
CAA
49ms
HTTPS
61ms
TLSA
397ms
SOA
50ms
MTA-STS
77ms
DNSSEC
77ms
SRV
81ms
Total
5258ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 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
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