semler-gruppen.dk

📜 Historical scan 2026-09-27 21:38:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semler-gruppen.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.224.16 is hosted by Microsoft Corporation (AS8075) in The Netherlands. 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#

4 records 45ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 161ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (semler-gruppen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 10:13:37

www CNAME	func-nasaint-linksworker-prd.azurewebsites.net (all on azurewebsites.net) → 20.105.224.16 (AS8075)
www vs bare domain	Same network semler-gruppen.dk: 20.105.224.16 20.50.2.99 (AS8075) www.semler-gruppen.dk: 20.105.224.16 (AS8075)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

0ms

Field	Value
Serial	21
Primary NS (MNAME)	ns1-09.azure-dns.com
Responsible (RNAME)	dnsadmin@kmd.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

45ms

30ms

43ms

AAAA

39ms

TXT

161ms

CAA

38ms

HTTPS

39ms

TLSA

46ms

SOA

0ms

MTA-STS

48ms

DNSSEC

73ms

SRV

56ms

Total

452ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 10:13:37	553ms	4 NS 2 A 0 MX	🔓 Insecure
2026-10-09 14:03:27	591ms	4 NS 2 A 0 MX	🔓 Insecure
2026-09-27 21:38:28 shown	452ms	4 NS 2 A 0 MX	🔓 Insecure
2026-08-28 02:16:46	774ms	4 NS 2 A 0 MX	🔓 Insecure
2026-08-26 20:40:50	555ms	4 NS 2 A 0 MX	🔓 Insecure
2026-06-26 02:31:29	639ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-24 06:09:41	1191ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:16:12	643ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 15:23:03	593ms	4 NS 1 A 0 MX	🔓 Insecure