vonbackhaus.dk DNS records

🖥️ Nameservers3 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.openprovider.nl	162.159.26.10 2400:cb00:2049:1::a29f:1a0a	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.openprovider.be	162.159.27.96 2400:cb00:2049:1::a29f:1b60	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.openprovider.eu	162.159.48.89 2400:cb00:2049:1::a29f:3059	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.165.57	900s	www469.your-server.de	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vonbackhaus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 2a01:111:f403:ca38::8 52.101.181.153 52.101.68.29 52.101.68.3 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.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
🔶 Autoconfig	136.243.165.57

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 158ms

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

📝 TXT Records5 records 460ms

TXT Record
eJUqF6D2Dnsbu8CrbJiKW1GAFnRLk1iT/BNmUStg7ujCn9OSoo9Rp/4+IfxhsnaeHPDy19553x/hBm+X5cfXyQ==
ls9ppedxbw35bswxtx7w
MS=ms30037867
pzbl63larn4x82faerp6
v=spf1 ip4:2.104.255.106 include:spf.protection.outlook.com a:mail01.accell-group.com a:mail02.accell-group.com -all

✉️ SPF

Policy	Record (vonbackhaus.dk)
-all (hard fail)	v=spf1 ip4:2.104.255.106 include:spf.protection.outlook.com a:mail01.accell-group.com a:mail02.accell-group.com -all

📨 DMARC

Policy	Record (_dmarc.vonbackhaus.dk)
p=none (monitor only)	v=DMARC1;p=none;pct=100;rua=mailto:fb029e707a@rua.easydmarc.eu;ruf=mailto:fb029e707a@ruf.easydmarc.eu;ri=86400;fo=1;

📬 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)

🔐 DNSSEC2099ms

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	2024120501
Primary NS (MNAME)	ns1.openprovider.nl
Responsible (RNAME)	dns@openprovider.eu
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

71ms

MX

70ms

AAAA

76ms

TXT

460ms

CAA

81ms

HTTPS

82ms

TLSA

179ms

SOA

0ms

MTA-STS

139ms

DNSSEC

2099ms

SRV

158ms

Total

3717ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:40:08	3717ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 03:02:23	3003ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 02:09:17	3129ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 19:16:35	830ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 01:59:27	959ms	3 NS 1 A 1 MX	🔓 Insecure	View