acongroup.dk

📜 Historical scan 2026-06-16 12:46:37 · ← 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 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. 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 115ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.danskinternet.dk	—	—	—
ns02.danskinternet.dk	—	—	—

🌍 A Records#

1 records 106ms

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

📧 MX Records#

1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	acongroup-dk.mail.protection.outlook.com	52.101.68.39 52.101.73.16 52.101.73.2 52.101.73.8	mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

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#

236ms

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

🏷️ SOA#

93ms

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 (188d)

📋 WHOIS#

⏱️ Lookup Timing#

115ms

106ms

102ms

AAAA

120ms

TXT

168ms

CAA

116ms

HTTPS

97ms

TLSA

107ms

SOA

93ms

MTA-STS

31ms

DNSSEC

236ms

SRV

0ms

Total

757ms

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