xcu.dk

📜 Historical scan 2026-06-22 19:10:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xcu.dk is a .dk domain served by 2 nameservers (ns1.yayhosting.dk, ns2.yayhosting.dk). It was registered on 17 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.60 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. 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#

2 records   71ms

🌍 A Records#

1 records   122ms

📧 MX Records#

3 records   80ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.242.130.60
🔶 Autoconfig195.242.130.60

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   108ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 whm04.yayhosting.dk

📝 TXT Records#

1 records   271ms
TXT Record
v=spf1 +include:_spf.yayhosting.dk -all

✉️ SPF#

PolicyRecord (xcu.dk)
-all (hard fail) v=spf1 +include:_spf.yayhosting.dk -all

📨 DMARC#

PolicyRecord (_dmarc.xcu.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-07 17:52:05
www CNAMExcu.dk (all on xcu.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.xcu.dk 1Wj0vA7UUZhYMJX6VlLBDYZ8RKaDlZC2OZsB-SgXHps

🔗 TLSA / DANE#

3 records   58ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2026052301
Primary NS (MNAME)ns1.yayhosting.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 02:17:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-07-17
Expires2027-07-16 (269d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
71ms
A
122ms
MX
80ms
AAAA
78ms
TXT
271ms
CAA
46ms
HTTPS
42ms
TLSA
58ms
SOA
58ms
MTA-STS
75ms
DNSSEC
76ms
SRV
108ms
Total
753ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-23 12:53:01 2468ms 2 NS 1 A 3 MX 🔓 Insecure
2026-09-23 02:07:28 664ms 2 NS 1 A 3 MX 🔓 Insecure
2026-08-26 21:42:24 558ms 2 NS 1 A 3 MX 🔓 Insecure
2026-08-25 11:10:19 601ms 2 NS 1 A 3 MX 🔓 Insecure
2026-07-24 11:15:06 972ms 2 NS 1 A 3 MX ❓ Unknown
2026-06-22 19:10:36 shown 753ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-21 17:35:36 523ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-21 14:42:04 1177ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 05:04:55 1131ms 2 NS 1 A 3 MX 🔓 Insecure
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