aco.dk

📜 Historical scan 2026-06-22 16:21:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aco.dk is a .dk domain served by 5 nameservers (ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de and 2 more). It was registered on 29 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.140.102.52 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mxa-00895801.gslb.pphosted.com, mxb-00895801.gslb.pphosted.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#

5 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.lemarit.de	81.209.198.1	ns1.lemarit.de	AS24640 BS Web Services GmbH
ns1.lemarit.net	207.158.52.87	ns1.lemarit.net	AS21581 M5 Computer Security
ns2.lemarit.de	192.174.68.101 2001:67c:1bc::101	ns2.lemarit.de ns2.lemarit.de	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.lemarit.net	176.97.158.101 2001:67c:10b8::101	ns4.lemarit.de ns4.lemarit.de	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.lemarit.de	178.248.243.66	ns3.lemarit.de	AS196922 Hofmeir Media GmbH

🌍 A Records#

1 records 107ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
128.140.102.52	3600s	static.52.102.140.128.clients.your-server.de	AS24940	Hetzner Online GmbH	128.140.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

2 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mxa-00895801.gslb.pphosted.com	143.55.150.221	mx08-00895801.pphosted.com	AS52129 Proofpoint, Inc.
20	3600s	mxb-00895801.gslb.pphosted.com	66.159.235.91	mx07-00895801.pphosted.com	AS52129 Proofpoint, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.213.184

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 107ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.outlook.com

📝 TXT Records#

4 records 272ms

TXT Record
docusign=937ce1f8-e7c7-47d8-ac78-043a42737281
facebook-domain-verification=co1e08luug3psvk0j1ylt2kxqka01n
MS=ms28797950
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-00895801.pphosted.com ip4:94.135.234.34 ip4:88.79.109.4 include:spf.vhost.aco -all

✉️ SPF#

Policy	Record (aco.dk)
-all (hard fail)	v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-00895801.pphosted.com ip4:94.135.234.34 ip4:88.79.109.4 include:spf.vhost.aco -all

📨 DMARC#

Policy	Record (_dmarc.aco.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@aco.com; adkim=s; aspf=s;

📬 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 2026-10-12 20:15:48

www	81.88.17.128 (AS8648) (address records, no CNAME)
www vs bare domain	Different networks aco.dk: 128.140.102.52 (AS24940) www.aco.dk: 81.88.17.128 (AS8648) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

132ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

44ms

Field	Value
Serial	1754044963
Primary NS (MNAME)	ns1.lemarit.de
Responsible (RNAME)	hostmaster@lemarit.com
Refresh	43200s
Retry	10800s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 22:42:26

Field	Value
Registrar	LEMARIT GmbH
Registered	1996-11-29
Expires	2026-12-31 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

95ms

107ms

81ms

AAAA

106ms

TXT

272ms

CAA

70ms

HTTPS

62ms

TLSA

896ms

SOA

44ms

MTA-STS

80ms

DNSSEC

132ms

SRV

107ms

Total

1756ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-22 23:29:05	15795ms	5 NS 0 A 2 MX	🔓 Insecure
2026-06-22 16:21:54 shown	1756ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-16 12:56:36	1922ms	5 NS 1 A 2 MX	🔓 Insecure