a1consult.dk

📜 Historical scan 2026-09-18 09:43:32  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   37ms
NameserverIP addressesPTRASN / 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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.41.51 3600s linux25.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —

📧 MX Records#

1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s a1consult-dk.mail.protection.outlook.com 2a01:111:f403:c967::8
2a01:111:f403:ca04::6
2a01:111:f403:ca38::a
2a01:111:f403:ca48::a
52.101.103.140
52.101.103.36
52.101.91.162
52.101.91.21		 mail-cpjpr04cu00100.inbound.protection.outlook.com
mail-db4pr02cu00406.inbound.protection.outlook.com
mail-wa4pr05cu00102.inbound.protection.outlook.com
mail-miypr02cu00202.inbound.protection.outlook.com
mail-miypr02cu00204.inbound.protection.outlook.com
mail-miypr05cu00104.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.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   69ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   176ms
TXT Record
mscid=/vkdttdawSVFhnDpvms33Fo1DwnRwylF8OQEoGHdjine3aM9kobF1P0wvHra5LyVCW2q8YJxdBZi5iHLmmjZjA==
v=spf1 ip4:86.52.120.134 include:spf.protection.outlook.com include:sendgrid.net ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

latest probe, not this scan · checked 2026-10-18 18:25:56
www CNAMEa1consult.dk (all on a1consult.dk)
www vs bare domainSame network
a1consult.dk: 185.21.41.51 (AS48854)
www.a1consult.dk: 185.21.41.51 (AS48854)
WildcardNo

✍️ DKIM keys#

3 found
SelectorCNAMEKey
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#

91ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1
Primary NS (MNAME)ns1.bdm.microsoftonline.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-17 09:45:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-09-29
Expires2032-09-30 (2173d)

🔗 Same registrant#

2 domains

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).

DomainRegistrar
a1erhverv.dkPunktum dk A/S (direct)
a1properties.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
37ms
A
31ms
MX
55ms
AAAA
37ms
TXT
176ms
CAA
44ms
HTTPS
58ms
TLSA
425ms
SOA
0ms
MTA-STS
45ms
DNSSEC
91ms
SRV
69ms
Total
999ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-27 20:03:41 1348ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-18 09:43:32 shown 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
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