jb1.dk

📜 Historical scan 2026-06-17 12:13:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jb1.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.94 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by jb1.dk. 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#

3 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk 34.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.94	—	web3.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	jb1.dk	195.242.130.94	web3.e-studio.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 372ms

TXT Record
v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (jb1.dk)
-all (hard fail)	v=spf1 ip4:195.242.130.94 include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.jb1.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 2026-10-12 11:04:51

www CNAME	jb1.dk (all on jb1.dk) → 195.242.130.94 (AS62121)
www vs bare domain	Same network jb1.dk: 195.242.130.94 (AS62121) www.jb1.dk: 195.242.130.94 (AS62121)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2026052007
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

34ms

33ms

AAAA

34ms

TXT

372ms

CAA

30ms

HTTPS

33ms

TLSA

110ms

SOA

26ms

MTA-STS

47ms

DNSSEC

95ms

SRV

0ms

Total

926ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-20 17:49:46	778ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 00:35:35	9483ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-21 07:52:25	1162ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 14:25:20	418ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:13:34 shown	926ms	3 NS 1 A 1 MX	🔓 Insecure