jbuch.dk

Records from scan: 2026-10-08 20:03:53 · 2303ms total · last checked 2026-10-16 15:05 (unchanged)

⬇ 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 ICT Shift (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 70ms

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 2a0b-f380-0-2--101-42.rdns6.ictshift.net	AS213023 ICT Shift AS213023 ICT Shift
li-ns3.wendt-net.dk	185.189.180.15 2a0b:f380:0:1:6::11	filter2.mail4ce.com 2a0b-f380-0-1-6--11.rdns6.ictshift.net	AS213023 ICT Shift AS213023 ICT Shift

🌍 A Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.189.180.18	3600s	mail.lnxsvr.eu	AS213023	ICT Shift	185.189.180.0/24	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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 67ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0b:f380:0:1:6::10	3600s	mail.lnxsvr.eu	AS213023	ICT Shift	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 518ms

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#

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jbuch.dk	uYuCVAheg6n_te7zPZeGRAYynlqvjkaDP7vjBcfMNGo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

132ms

Field	Value
Serial	1787800413
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#

70ms

57ms

64ms

AAAA

67ms

TXT

518ms

CAA

73ms

HTTPS

71ms

TLSA

607ms

SOA

132ms

MTA-STS

135ms

DNSSEC

106ms

SRV

128ms

Total

2303ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 20:03:53 shown	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	7002ms	3 NS 1 A 1 MX	🔓 Insecure