debuyer.dk

📜 Historical scan 2026-10-01 08:07:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

debuyer.dk is a .dk domain served by 4 nameservers (ns1.iptwins.net, ns2.iptwins.net, ns3.iptwins.com and 1 more). It was registered on 19 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.91.60.233 is hosted by OVH SAS (AS16276) in France. Mail is handled by defaultmx.iptwins.fr. 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#

4 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.iptwins.net	188.165.162.43	ns1.iptwins.net	AS16276 OVH SAS
ns2.iptwins.net	193.70.18.204	ns2.iptwins.net	AS16276 OVH SAS
ns3.iptwins.com	144.217.70.141 2607:5300:203:28d::	ns3.iptwins.com ns3.iptwins.com	AS16276 OVH SAS AS16276 OVH SAS
ns4.iptwins.com	161.202.174.147 2401:c900:1101:496::3	ns4.iptwins.com ns4.iptwins.com	AS36351 IBM Cloud AS36351 IBM Cloud

🌍 A Records#

1 records 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.91.60.233	86400s	eole2.iptwins.com	AS16276	OVH SAS	51.91.0.0/16	🇫🇷 France	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	defaultmx.iptwins.fr	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 09:44:28

www	51.91.60.233 (AS16276) (address records, no CNAME)
www vs bare domain	Same network debuyer.dk: 51.91.60.233 (AS16276) www.debuyer.dk: 51.91.60.233 (AS16276)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2035ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2020051301
Primary NS (MNAME)	ns1.iptwins.net
Responsible (RNAME)	dns-log@iptwins.com
Refresh	86400s
Retry	7200s
Expire	2592000s
Minimum (neg-cache TTL)	345600s

📋 Registration#

WHOIS fetched 2026-10-15 18:30:44

Field	Value
Registrar	Key-Systems GmbH
Registered	2011-01-19
Expires	2027-01-31 (106d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

51ms

140ms

41ms

AAAA

4035ms

TXT

4488ms

CAA

2027ms

HTTPS

43ms

TLSA

401ms

SOA

51ms

MTA-STS

4037ms

DNSSEC

2035ms

SRV

4034ms

Total

5265ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:44:28	9393ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-01 08:07:52 shown	5265ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-24 14:35:56	29676ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:25:21	878ms	4 NS 1 A 1 MX	🔓 Insecure