schlueter-systems.dk

📜 Historical scan 2026-09-06 19:50:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

schlueter-systems.dk is a .dk domain served by 4 nameservers (ns1-eu.123ns.eu, ns2-eu.123ns.de, ns3-eu.123ns.eu and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.22.73.34 is hosted by DOKOM Gesellschaft fuer Telekommunikation mbH (AS15763) in Germany. Mail is handled by schluetersystems-dk02c.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-eu.123ns.eu	2001:8d8:1801:71::1 82.165.64.26	— —	AS8560 IONOS SE AS8560 IONOS SE
ns2-eu.123ns.de	136.243.153.243 2a01:4f8:171:1c61::2	ns2-eu.123ns.eu ns2-eu.123ns.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3-eu.123ns.eu	81.92.4.138	ns3-eu.123ns.eu	AS8820 tal.de GmbH
ns4-eu.123ns.de	2a01:239:0:c9::1 85.215.121.239	ns4-eu.123ns.eu ns4-eu.123ns.eu	AS8560 IONOS SE AS8560 IONOS SE

🌍 A Records#

1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.22.73.34	86400s	—	AS15763	DOKOM Gesellschaft fuer Telekommunikation mbH	85.22.0.0/16	🇩🇪 Germany	Dortmund

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	schluetersystems-dk02c.mail.protection.outlook.com	2a01:111:f403:ca27:: 2a01:111:f403:ca2d:: 2a01:111:f403:ca2d::1 2a01:111:f403:ca2d::2 52.101.168.0 52.101.170.0 52.101.170.1 52.101.170.2	mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.inbound.protection.outlook.com mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.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)#

1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a03:f580:1022::2	86400s	2a03-f580-1022-0000-0000-0000-0000-0002.ip6.dokom21.de	AS15763	DOKOM Gesellschaft fuer Telekommunikation mbH	2a03:f580:0:0:0:0:0:0/32	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 876ms

TXT Record
b5j8gwprwplnw22yzh089sbxngnjwr2d
google-site-verification=Fr2vf40yACFQ8mVfyhJ9-nvV-T3eH0_sJNMBR5xBZ9o
k9r813q3xbf904nr91pngyclnm60pdnt
MS=ms74938225
v=spf1 include:spf.protection.outlook.com a:portal.iqsuite.com ip4:193.46.82.172 ip4:193.46.82.173 ip4:204.154.173.5 ip4:204.154.173.7 ip4:193.46.82.216 ip4:193.46.82.215 ip4:204.154.173.21 ip4:204.154.173.22 ~all

✉️ SPF#

Policy	Record (schlueter-systems.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com a:portal.iqsuite.com ip4:193.46.82.172 ip4:193.46.82.173 ip4:204.154.173.5 ip4:204.154.173.7 ip4:193.46.82.216 ip4:193.46.82.215 ip4:204.154.173.21 ip4:204.154.173.22 ~all

📨 DMARC#

Policy	Record (_dmarc.schlueter-systems.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:mabuse@schluter.com; ruf=mailto:mabuse@schluter.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 2026-10-14 08:03:37

www	85.22.73.34 2a03:f580:1022::2 (AS15763) (address records, no CNAME)
www vs bare domain	Same network schlueter-systems.dk: 85.22.73.34 2a03:f580:1022::2 (AS15763) www.schlueter-systems.dk: 85.22.73.34 2a03:f580:1022::2 (AS15763)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-schluetersystems-dk02c._domainkey.schluterglobal.d-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-schluetersystems-dk02c._domainkey.schluterglobal.d-v1.dkim.mail.microsoft	RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9079ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026072001
Primary NS (MNAME)	ns1-eu.123ns.eu
Responsible (RNAME)	hostmaster@123ns.eu
Refresh	43200s
Retry	14400s
Expire	3600000s
Minimum (neg-cache TTL)	21400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

91ms

73ms

AAAA

41ms

TXT

876ms

CAA

94ms

HTTPS

81ms

TLSA

4030ms

SOA

0ms

MTA-STS

122ms

DNSSEC

9079ms

SRV

631ms

Total

14702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:28:05	5507ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-30 06:46:17	9287ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-06 19:50:04 shown	14702ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-03 18:24:50	9895ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 03:39:05	7826ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-20 17:31:52	3398ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 22:11:21	2652ms	4 NS 1 A 1 MX	🔓 Insecure