acongroup.dk

📜 Historical scan 2026-09-07 02:41:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acongroup.dk is a .dk domain served by 2 nameservers (ns01.danskinternet.dk, ns02.danskinternet.dk). 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 172.238.244.47 is hosted by Akamai Connected Cloud (AS63949) in Sweden. Mail is handled by acongroup-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.danskinternet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns02.danskinternet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.238.244.47	3600s	172-238-244-47.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.236.0.0/14	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	acongroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca38::a 2a01:111:f403:ca48::a 52.101.185.114 52.101.68.16 52.101.68.3 52.101.73.11	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 96ms

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#

110ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090404
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 (185d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

35ms

AAAA

38ms

TXT

96ms

CAA

36ms

HTTPS

50ms

TLSA

747ms

SOA

0ms

MTA-STS

49ms

DNSSEC

110ms

SRV

78ms

Total

1244ms

🕐 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 shown	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	2267ms	0 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:46:37	757ms	2 NS 1 A 1 MX	🔒 Secure