a1consult.dk

Records from scan: 2026-09-27 20:03:41 · 1348ms total · last checked 2026-10-16 16:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a1consult.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 29 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.51 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by a1consult-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 38ms

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 Records#

1 records 30ms

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 Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	a1consult-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 52.101.181.153 52.101.73.120 52.101.91.162 52.101.91.21	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

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

📝 TXT Records#

2 records 189ms

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

🧩 Web & zone#

checked 2026-09-29 20:29:17

www CNAME	a1consult.dk (all on a1consult.dk)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u21042823.wl074.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u21042823.wl074.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-a1consult-dk._domainkey.a1consult.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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	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#

WHOIS fetched 2026-10-17 09:45:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-09-29
Expires	2032-09-30 (2175d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
a1erhverv.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

30ms

32ms

AAAA

32ms

TXT

189ms

CAA

44ms

HTTPS

39ms

TLSA

814ms

SOA

0ms

MTA-STS

57ms

DNSSEC

72ms

SRV

61ms

Total

1348ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 20:03:41 shown	1348ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-18 09:43:32	999ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-24 14:33:37	2082ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:15:11	1920ms	4 NS 1 A 1 MX	🔓 Insecure