christiansteeldesign.dk DNS records

🖥️ Nameservers2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.zebrastudio.eu	77.235.46.47	srv.zebrastudio.eu	AS60781 LeaseWeb Netherlands B.V.
ns2.zebrastudio.eu	77.235.46.47	srv.zebrastudio.eu	AS60781 LeaseWeb Netherlands B.V.

🌍 A Records1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.46.47	14400s	srv.zebrastudio.eu	AS60781	LeaseWeb Netherlands B.V.	77.235.40.0/21	🇳🇱 The Netherlands	—

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	christiansteeldesign-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 52.101.68.0 52.101.68.15 52.101.73.30 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.98.16.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 159ms

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

📝 TXT Records1 records 260ms

TXT Record
v=spf1 ip4:77.235.46.47 ip4:77.235.46.47 ip4:77.235.46.47 +a +mx +ip4:212.18.227.174 +include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (christiansteeldesign.dk)
-all (hard fail)	v=spf1 ip4:77.235.46.47 ip4:77.235.46.47 ip4:77.235.46.47 +a +mx +ip4:212.18.227.174 +include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.christiansteeldesign.dk	WMEFBUjf9Jo8oQREnSGmH9y4OnAY3ceJ6KOI-yOXDrM

🔗 TLSA / DANE

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

🔐 DNSSEC145ms

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.zebrastudio.eu
Responsible (RNAME)	root@srv.zebrastudio.eu
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

48ms

MX

71ms

AAAA

55ms

TXT

260ms

CAA

59ms

HTTPS

57ms

TLSA

201ms

SOA

0ms

MTA-STS

130ms

DNSSEC

145ms

SRV

159ms

Total

1354ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 05:00:50	1354ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:40:13	1637ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:40:11	2770ms	2 NS 1 A 1 MX	🔓 Insecure	View