esylux.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.work.de	213.238.33.78 2a00:ea8:200:9::2	dns2.work.de dns2.work.de	AS9211 Nawork Internet Informationssysteme GmbH AS9211 Nawork Internet Informationssysteme GmbH
dns2.work.de	212.12.35.214 2a00:ea8:200:8::2	— dns1.work.de	AS9211 Nawork Internet Informationssysteme GmbH AS9211 Nawork Internet Informationssysteme GmbH

🌍 A Records1 records 2059ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.53.187.51	598s	www1024.c.artfiles.de	AS8893	Artfiles New Media GmbH	212.53.184.0/21	🇩🇪 Germany	Lübeck

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	28800s	esylux-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 52.101.68.16 52.101.68.18 52.101.68.21 52.101.73.16	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 133ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 226ms

TXT Record
apple-domain-verification=2McldgZamqEAtaMT
apple-domain-verification=akJ3FJ7RbtXVBFbb
atlassian-domain-verification=2oDLrtaZDy1OJ25ZzkWGwudbj7vC2ktxLowGVVHzEHmRjxGnSFmi94YWpeBg6QiN
MS=ms40902564
v=spf1 ip4:193.158.234.33 ip4:193.158.234.34 ip4:193.158.234.35 ip4:193.158.234.36 ip4:193.158.234.37 ip4:193.158.234.38 ip4:104.40.229.156 ip4:80.63.85.42 ip4:194.104.110.22 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all

✉️ SPF

Policy	Record (esylux.dk)
-all (hard fail)	v=spf1 ip4:193.158.234.33 ip4:193.158.234.34 ip4:193.158.234.35 ip4:193.158.234.36 ip4:193.158.234.37 ip4:193.158.234.38 ip4:104.40.229.156 ip4:80.63.85.42 ip4:194.104.110.22 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all

📨 DMARC

Policy	Record (_dmarc.esylux.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:it-monitoring@peter-kremser.de; fo=1; adkim=r; 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

🔗 TLSA / DANE

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

🔐 DNSSEC130ms

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	2026012400
Primary NS (MNAME)	dns1.work.de
Responsible (RNAME)	hostmaster@work.de
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

72ms

A

2059ms

MX

80ms

AAAA

77ms

TXT

226ms

CAA

53ms

HTTPS

54ms

TLSA

660ms

SOA

0ms

MTA-STS

83ms

DNSSEC

130ms

SRV

133ms

Total

3221ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:51:35	3221ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:28:49	1709ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:27:07	2712ms	2 NS 1 A 1 MX	🔓 Insecure	View