thomas-holdings.dk

📜 Historical scan 2026-06-18 05:42:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomas-holdings.dk is a .dk domain served by 2 nameservers (ns1.yoursrs.com, ns2.yoursrs.com). It was registered on 5 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.74.225 is hosted by Cyso Group B.V. (AS25151) in The Netherlands. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.yoursrs.com	104.47.151.178 2603:1020:200::682f:a758	ns1.yoursrs.com —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.yoursrs.com	20.79.93.42 2603:1020:c01:4::8	ns2.yoursrs.com —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.235.74.225	—	ns1.yoursrs.com	AS25151	Cyso Group B.V.	109.235.72.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	109.235.74.225
🔶 Autoconfig	109.235.74.225

🔷 AAAA Records (IPv6)#

1 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:518:1:41:2::53	—	ns1.yoursrs.com	AS25151	Cyso Group B.V.	2a01:518:0:0:0:0:0:0/32	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 496ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (thomas-holdings.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.thomas-holdings.dk)
p=reject	v=DMARC1; p=reject; aspf=s; adkim=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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 20:02:12

www	109.235.74.225 2a01:518:1:41:2::53 (AS25151) (address records, no CNAME)
www vs bare domain	Same network thomas-holdings.dk: 109.235.74.225 2a01:518:1:41:2::53 (AS25151) www.thomas-holdings.dk: 109.235.74.225 2a01:518:1:41:2::53 (AS25151)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2023050900
Primary NS (MNAME)	ns1.yoursrs.com
Responsible (RNAME)	hostmaster@thomas-holdings.dk
Refresh	3600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 12:32:53

Field	Value
Registrar	Realtime Register B.V.
Registered	2023-04-05
Expires	2027-04-04 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

60ms

65ms

AAAA

66ms

TXT

496ms

CAA

61ms

HTTPS

57ms

TLSA

380ms

SOA

66ms

MTA-STS

95ms

DNSSEC

83ms

SRV

106ms

Total

1162ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 06:45:43	1215ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 17:13:17	2663ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 21:50:05	1042ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 02:36:20	801ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:19:45	1003ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 23:56:36	1120ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:42:48 shown	1162ms	2 NS 1 A 0 MX	🔓 Insecure