jbuch.dk

📜 Historical scan 2026-06-17 12:02:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jbuch.dk is a .dk domain served by 3 nameservers (li-ns1.wendt-net.dk, li-ns2.wendt-net.dk, li-ns3.wendt-net.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.189.180.18 is hosted by Key4ce (AS213023) in The Netherlands. Mail is handled by mail.lnxsvr.eu. The zone is not DNSSEC-signed, publishes a 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#

3 records 110ms

Nameserver	IP addresses	PTR	ASN / ISP
li-ns1.wendt-net.dk	185.189.180.18 2a0b:f380:0:1:6::10	mail.lnxsvr.eu mail.lnxsvr.eu	AS213023 ICT Shift AS213023 ICT Shift
li-ns2.wendt-net.dk	185.189.180.22 2a0b:f380:0:2::101:42	filter2.mail4ce.com —	AS213023 ICT Shift AS213023 ICT Shift
li-ns3.wendt-net.dk	185.189.180.15 2a0b:f380:0:1:6::11	filter2.mail4ce.com —	AS213023 ICT Shift AS213023 ICT Shift

🌍 A Records#

1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.189.180.18	—	mail.lnxsvr.eu	AS213023	Key4ce	185.189.180.0/24	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 118ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.lnxsvr.eu	185.189.180.18 2a0b:f380:0:1:6::10	mail.lnxsvr.eu mail.lnxsvr.eu	AS213023 ICT Shift AS213023 ICT Shift

🔷 AAAA Records (IPv6)#

1 records 116ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0b:f380:0:1:6::10	—	mail.lnxsvr.eu	AS213023	Key4ce	2a0b:f380:0:0:0:0:0:0/48	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2394ms

TXT Record
v=spf1 a mx a:mail.lnxsvr.eu ip4:185.189.180.18/24 -all

✉️ SPF#

Policy	Record (jbuch.dk)
-all (hard fail)	v=spf1 a mx a:mail.lnxsvr.eu ip4:185.189.180.18/24 -all

📨 DMARC#

Policy	Record (_dmarc.jbuch.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s

📬 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 2026-10-08 20:03:53

www CNAME	jbuch.dk (all on jbuch.dk) → 185.189.180.18 2a0b:f380:0:1:6::10 (AS213023)
www vs bare domain	Same network jbuch.dk: 185.189.180.18 2a0b:f380:0:1:6::10 (AS213023) www.jbuch.dk: 185.189.180.18 2a0b:f380:0:1:6::10 (AS213023)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

529ms

Field	Value
Serial	1777418021
Primary NS (MNAME)	li-ns1.wendt-net.dk
Responsible (RNAME)	jbuchlarsen@gmail.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

110ms

105ms

118ms

AAAA

116ms

TXT

2394ms

CAA

110ms

HTTPS

113ms

TLSA

3774ms

SOA

529ms

MTA-STS

151ms

DNSSEC

180ms

SRV

0ms

Total

7002ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 20:03:53	2303ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 20:08:37	2892ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-28 20:12:14	1701ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 16:03:09	2473ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 21:03:26	1858ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 18:44:14	1019ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:02:19 shown	7002ms	3 NS 1 A 1 MX	🔓 Insecure