4000.dk

📜 Historical scan 2026-09-16 19:58:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4000.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, 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#

2 records   120ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   102ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 MX Records#

1 records   126ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18

🔷 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 2026-10-13 09:49:09
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
4000.dk: 195.47.247.18 (AS51468)
www.4000.dk: 195.47.247.18 (AS51468)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

153ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026091101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-11 08:45:51
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-07-28
Expires2027-07-31 (284d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
120ms
A
102ms
MX
126ms
AAAA
111ms
TXT
272ms
CAA
139ms
HTTPS
100ms
TLSA
51ms
SOA
0ms
MTA-STS
136ms
DNSSEC
153ms
SRV
153ms
Total
682ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 09:49:08 1000ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-12 08:58:33 534ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-11 08:04:36 845ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-16 19:58:44 shown 682ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-03 16:16:43 488ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 15:17:03 660ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-12 06:22:32 1643ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-14 11:31:17 2507ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-26 01:11:32 488ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-25 01:19:34 525ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 06:13:37 2576ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-16 12:41:27 534ms 2 NS 1 A 0 MX 🔒 Secure
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