thomas-holdings.dk

📜 Historical scan 2026-09-03 17:13:17 · ← 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. Mail is handled by .. 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 47ms

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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.235.74.225	3600s	ns1.yoursrs.com	AS25151	Cyso Group B.V.	109.235.72.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	109.235.74.225
🔶 Autoconfig	109.235.74.225

🔷 AAAA Records (IPv6)#

1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:518:1:41:2::53	3600s	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 308ms

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#

2052ms

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

🏷️ SOA#

0ms

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 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

65ms

47ms

AAAA

59ms

TXT

308ms

CAA

73ms

HTTPS

58ms

TLSA

167ms

SOA

0ms

MTA-STS

82ms

DNSSEC

2052ms

SRV

100ms

Total

2663ms

🕐 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 shown	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	1162ms	2 NS 1 A 0 MX	🔓 Insecure