schlueter-systems.dk DNS records

🖥️ Nameservers4 records 54ms

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 Records1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.22.73.34	86400s	85-22-73-34.ip.dokom21.de	AS15763	DOKOM Gesellschaft fuer Telekommunikation mbH	85.22.0.0/16	🇩🇪 Germany	Dortmund

📧 MX Records1 records 57ms

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 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a03:f580:1022::2	86400s	—	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 Records5 records 2887ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC107ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

77ms

MX

57ms

AAAA

61ms

TXT

2887ms

CAA

50ms

HTTPS

70ms

TLSA

4032ms

SOA

0ms

MTA-STS

1820ms

DNSSEC

107ms

SRV

2827ms

Total

7826ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:39:05	7826ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 17:31:52	3398ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 22:11:21	2652ms	4 NS 1 A 1 MX	🔓 Insecure	View