semler-gruppen.dk

📜 Historical scan 2026-06-19 23:16:12 · ← 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 195.249.218.79 is hosted by TDC Holding A/S (AS3292) in Denmark. 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 72ms

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#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.249.218.79	300s	exchange.semlernet.dk	AS3292	TDC Holding A/S	195.249.0.0/16	🇩🇰 Denmark	Copenhagen

📧 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 379ms

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#

160ms

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

🏷️ SOA#

70ms

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#

72ms

56ms

63ms

AAAA

77ms

TXT

379ms

CAA

76ms

HTTPS

97ms

TLSA

69ms

SOA

70ms

MTA-STS

57ms

DNSSEC

160ms

SRV

296ms

Total

643ms

🕐 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	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 shown	643ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 15:23:03	593ms	4 NS 1 A 0 MX	🔓 Insecure