acongroup.dk

📜 Historical scan 2026-06-24 10:57:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acongroup.dk is a .dk domain with no delegation in this scan. It was registered on 27 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by acongroup-dk.mail.protection.outlook.com. 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#

🖥️

No NS records found

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	600s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	acongroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.5 52.101.73.12 52.101.73.16	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spfcloud.letsignit.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (acongroup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spfcloud.letsignit.com include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.acongroup.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-08 00:40:27

www CNAME	ns00.danskinternet.dk (all on danskinternet.dk) → 172.238.244.47 (AS63949)
www vs bare domain	Same network acongroup.dk: 172.238.244.47 (AS63949) www.acongroup.dk: 172.238.244.47 (AS63949)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

Check	Result
Validation Status	Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: 🔒 Secure).
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

29ms

Field	Value
Serial	2023061601
Primary NS (MNAME)	ns01.danskinternet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 18:21:38

Field	Value
Registrar	CURANET A/S
Registered	2021-04-27
Expires	2027-04-30 (186d)

📋 WHOIS#

⏱️ Lookup Timing#

129ms

43ms

AAAA

39ms

TXT

150ms

CAA

93ms

HTTPS

109ms

TLSA

1859ms

SOA

29ms

MTA-STS

82ms

DNSSEC

69ms

SRV

95ms

Total

2267ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:11:49	1416ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 02:41:52	1244ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:52:42	1174ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:57:47 shown	2267ms	0 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:46:37	757ms	2 NS 1 A 1 MX	🔒 Secure