semler.dk DNS records

🖥️ Nameservers4 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-02.azure-dns.com	13.107.236.2 2603:1061:0:700::2	ns1-02.azure-dns.com ns1-02.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-02.azure-dns.net	150.171.21.2 2620:1ec:8ec:700::2	ns2-02.azure-dns.net ns2-02.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-02.azure-dns.org	204.14.183.2 2a01:111:4000:700::2	ns3-02.azure-dns.org ns3-02.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-02.azure-dns.info	208.84.5.2 2620:1ec:bda:700::2	ns4-02.azure-dns.info ns4-02.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	semler-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 52.101.68.32 52.101.73.16 52.101.73.30 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 115ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records15 records 407ms

TXT Record
_ndrwo4bhvvlszsfd1po30w4t3uuuwq7
_txfv2obzrweqgc3kp5n280y6ykmjnk8
0df4186f71376bdc
4a7b394236320d3bc23962ed06df231da3732e27bd5f9fc103
atlassian-domain-verification=zxBiUAgHWw1OwtRDfJS+u62UV+PaQX6yvhj+Ll0MGwhjosUNFj8H2gNb0VaYCxaE
blcf7r41gh1wbqcchn2vjzn3ps4l2wv5
docusign=c48b2d11-360b-4af5-beab-fdcf71198aad
docusign=fd452c6f-fba0-48bd-9bcb-17a10f2e8c3e
Dzfr8VwgFt4V2h1A6aA4U5-NnKKir9EE
google-site-verification=-_3B9iowR47JDAv6uiUbK8cv_j1BKepEFA7wY79XYMw
MS=67D5FBA1D8ACFF568A5090857CC1D5577893DDB5
MS=ms80432207
successfactors-site-verification=ZWJkZDI4YjlhOGZmN2Y4MTlhYzI4MzM0OWI5MWExNzU3NDFhOGYzYTA5ZWYwZmVkYTJmYjU3YjMyMTRmYjBiOQ==
v=spf1 a mx ip4:195.249.218.0/24 ip4:20.107.82.163/32 ip4:77.247.70.242/32 include:_spf.salesforce.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:mail.zendesk.com include:_spf-dc2.successfactors.com ~all
wpdxqdlwx2bf2cxxr1qz4z54ngx9bd4g

✉️ SPF

Policy	Record (semler.dk)
~all (soft fail)	v=spf1 a mx ip4:195.249.218.0/24 ip4:20.107.82.163/32 ip4:77.247.70.242/32 include:_spf.salesforce.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:mail.zendesk.com include:_spf-dc2.successfactors.com ~all

📨 DMARC

Policy	Record (_dmarc.semler.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:tepx02da@ag.eu.dmarcadvisor.com; ruf=mailto:tepx02da@fr.eu.dmarcadvisor.com

📬 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)

🔐 DNSSEC181ms

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

🏷️ SOA77ms

Field	Value
Serial	345
Primary NS (MNAME)	ns1-02.azure-dns.com
Responsible (RNAME)	dnsadmin@kmd.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

64ms

A

58ms

MX

58ms

AAAA

59ms

TXT

407ms

CAA

75ms

HTTPS

66ms

TLSA

145ms

SOA

77ms

MTA-STS

102ms

DNSSEC

181ms

SRV

115ms

Total

1084ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 12:15:28	1084ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 10:04:12	982ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 02:36:05	1353ms	4 NS 1 A 1 MX	🔓 Insecure	View