briefcase.dk
📜 Historical scan 2026-07-05 21:32:10  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   37ms
NameserverIP addressesPTRASN / 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 Records1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.180 300s web8.e-studio.dk AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.briefcase.dk 193.200.90.180 web8.e-studio.dk AS62121 Christian Ebsen ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover193.200.90.180
🔶 Autoconfig193.200.90.180
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   53ms
ServicePriorityWeightPortTarget
_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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.briefcase.dk 922rcogf1uc2T9zQVN4cD_QmrBPb1LN4teqb_ggxa14
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026070500
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
52ms
MX
53ms
AAAA
41ms
TXT
104ms
CAA
42ms
HTTPS
47ms
TLSA
47ms
SOA
0ms
MTA-STS
57ms
DNSSEC
107ms
SRV
53ms
Total
775ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 15:08:57 512ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 22:43:49 615ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-25 06:35:14 8841ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 06:08:31 8903ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-05 21:32:10 775ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 21:45:07 622ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 16:55:18 413ms 3 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone