briefcase.dk

📜 Historical scan 2026-07-25 06:35:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

briefcase.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 18 August 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.180 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.briefcase.dk. The zone is not DNSSEC-signed, 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#

3 records 53ms

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 ns2.e-studio.dk	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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.180	300s	web8.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.briefcase.dk	193.200.90.180	web8.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.180
🔶 Autoconfig	193.200.90.180

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 104ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 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 2026-10-03 12:00:10

www CNAME	briefcase.dk (all on briefcase.dk)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ 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.

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.briefcase.dk	K9qQhCfrjF31tABlFjrBSXYNtOlY7hvXUtKqxkLczjA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026072401
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#

WHOIS fetched 2026-10-08 00:19:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-08-18
Expires	2027-08-31 (317d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

67ms

AAAA

60ms

TXT

232ms

CAA

66ms

HTTPS

63ms

TLSA

8160ms

SOA

0ms

MTA-STS

118ms

DNSSEC

149ms

SRV

104ms

Total

8841ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 11:33:10	570ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 06:14:31	596ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-02 15:08:57	512ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 22:43:49	615ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-25 06:35:14 shown	8841ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-24 06:08:31	8903ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-05 21:32:10	775ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 21:45:07	622ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 16:55:18	413ms	3 NS 1 A 1 MX	🔓 Insecure