rantzows.dk

📜 Historical scan 2026-06-20 05:08:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rantzows.dk is a .dk domain served by 3 nameservers (dns1.solutions.fi, dns2.solutions.fi, dns3.solutions.fi). It was registered on 18 July 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.201.60.212 is hosted by ODERLAND Webbhotell AB (AS44136) in Sweden. Mail is handled by rantzows-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.solutions.fi	217.112.192.2	dns1.solutions.fi	AS34541 Online Solutions Oy
dns2.solutions.fi	185.193.77.1	dns2.solutions.fi	AS34541 Online Solutions Oy
dns3.solutions.fi	194.197.177.1	dns3.solutions.fi	AS1759 Telia Finland Oyj

🌍 A Records#

1 records 150ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.201.60.212	86400s	yama.oderland.com	AS44136	ODERLAND Webbhotell AB	91.201.60.0/22	🇸🇪 Sweden	—

📧 MX Records#

1 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	rantzows-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.68.21 52.101.68.29 52.101.68.5 52.101.73.26	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.149.136
🔶 Autoconfig	unisport.com → 81.95.249.33

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 266ms

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

📝 TXT Records#

3 records 508ms

TXT Record
MS=ms53738129
MS=ms61806756
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (rantzows.dk)
~all (soft fail)	v=spf1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 11:57:16

www CNAME	unisport.com (all on unisport.com) → 81.95.249.33 (AS48854)
www vs bare domain	Different networks rantzows.dk: 91.201.60.212 (AS44136) www.rantzows.dk: 81.95.249.33 (AS48854) (all like this)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rantzows.dk	unisport.com
TXT	unisport.com	apple-domain-verification=aMcQHJWoGqsoOr5h

🔗 TLSA / DANE#

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

🔐 DNSSEC#

140ms

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

🏷️ SOA#

109ms

Field	Value
Serial	2025030201
Primary NS (MNAME)	dns1.solutions.fi
Responsible (RNAME)	dnsmaster@solutions.fi
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 19:13:40

Field	Value
Registrar	Eurodns S.A
Registered	2014-07-18
Expires	2027-07-31 (286d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

150ms

98ms

AAAA

98ms

TXT

508ms

CAA

67ms

HTTPS

148ms

TLSA

180ms

SOA

109ms

MTA-STS

324ms

DNSSEC

140ms

SRV

266ms

Total

1524ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 03:17:38	2221ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 09:05:29	2249ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 08:27:17	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 05:08:42 shown	1524ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:47:41	1231ms	3 NS 1 A 1 MX	🔓 Insecure