vonbackhaus.dk

📜 Historical scan 2026-06-20 19:16:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vonbackhaus.dk is a .dk domain served by 3 nameservers (ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu). It was registered on 3 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.165.57 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by vonbackhaus-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

3 records 69ms

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 Records#

1 records 66ms

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 Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vonbackhaus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.25 52.101.73.16 52.101.73.19 52.101.73.22	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 52.98.214.88
🔶 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 Records#

1 records 203ms

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

📝 TXT Records#

5 records 407ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 10:41:49

www	136.243.165.57 (AS24940) (address records, no CNAME)
www vs bare domain	Same network vonbackhaus.dk: 136.243.165.57 (AS24940) www.vonbackhaus.dk: 136.243.165.57 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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

🏷️ SOA#

132ms

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#

WHOIS fetched 2026-10-11 07:46:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-08-03
Expires	2027-08-31 (314d)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

66ms

83ms

AAAA

66ms

TXT

407ms

CAA

66ms

HTTPS

65ms

TLSA

155ms

SOA

132ms

MTA-STS

119ms

DNSSEC

124ms

SRV

203ms

Total

830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 20:42:29	1641ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 02:40:08	3717ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 03:02:23	3003ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-03 02:09:17	3129ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 19:16:35 shown	830ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 01:59:27	959ms	3 NS 1 A 1 MX	🔓 Insecure