a1consult.dk DNS records

🖥️ Nameservers4 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.51	3600s	linux25.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	a1consult-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.103.140 52.101.68.3 52.101.73.1 52.101.73.16	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.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 58ms

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

📝 TXT Records2 records 165ms

TXT Record
mscid=/vkdttdawSVFhnDpvms33Fo1DwnRwylF8OQEoGHdjine3aM9kobF1P0wvHra5LyVCW2q8YJxdBZi5iHLmmjZjA==
v=spf1 ip4:86.52.120.134 include:spf.protection.outlook.com include:sendgrid.net ~all

✉️ SPF

Policy	Record (a1consult.dk)
~all (soft fail)	v=spf1 ip4:86.52.120.134 include:spf.protection.outlook.com include:sendgrid.net ~all

📨 DMARC

Policy	Record (_dmarc.a1consult.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:lhbaejif@ag.eu.dmarcian.com; ruf=mailto:lhbaejif@fr.eu.dmarcian.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)

🔐 DNSSEC117ms

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

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

34ms

MX

35ms

AAAA

33ms

TXT

165ms

CAA

41ms

HTTPS

41ms

TLSA

355ms

SOA

0ms

MTA-STS

56ms

DNSSEC

117ms

SRV

58ms

Total

2082ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:33:37	2082ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 13:15:11	1920ms	4 NS 1 A 1 MX	🔓 Insecure	View