semler-gruppen.dk
Last scanned: 2026-08-28 02:16:46  ·  774ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
NameserverIP addressesPTRASN / ISP
ns1-09.azure-dns.com 13.107.236.9
2603:1061:0:700::9		 ns1-09.azure-dns.com
ns1-09.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-09.azure-dns.net 150.171.21.9
2620:1ec:8ec:700::9		 ns2-09.azure-dns.net
ns2-09.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-09.azure-dns.org 204.14.183.9
2a01:111:4000:700::9		 ns3-09.azure-dns.org
ns3-09.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-09.azure-dns.info 208.84.5.9
2620:1ec:bda:700::9		 ns4-09.azure-dns.info
ns4-09.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records2 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.105.224.16 3600s — AS8075 Microsoft Corporation 20.64.0.0/10 🇳🇱 The Netherlands Amsterdam
20.50.2.99 3600s — AS8075 Microsoft Corporation 20.48.0.0/12 🇳🇱 The Netherlands Amsterdam
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   179ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (semler-gruppen.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.semler-gruppen.dk)
p=reject v=DMARC1;p=reject;rua=mailto:dmarc_rapport@semler.dk
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC113ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial21
Primary NS (MNAME)ns1-09.azure-dns.com
Responsible (RNAME)dnsadmin@kmd.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)43200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
53ms
MX
50ms
AAAA
52ms
TXT
179ms
CAA
65ms
HTTPS
68ms
TLSA
102ms
SOA
0ms
MTA-STS
92ms
DNSSEC
113ms
SRV
79ms
Total
774ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 02:16:46 774ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-08-26 20:40:50 555ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-26 02:31:29 639ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 06:09:41 1191ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 23:16:12 643ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 15:23:03 593ms 4 NS 1 A 0 MX 🔓 Insecure View
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