ertholm.dk

Records from scan: 2026-10-20 08:18:11  ·  804ms total  ·  last checked 2026-10-21 10:37 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ertholm.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 January 2020 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   81ms
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 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 MX Records#

1 records   76ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 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#

checked 2026-10-20 08:18:11
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
ertholm.dk: 195.47.247.18 (AS51468)
www.ertholm.dk: 195.47.247.18 (AS51468)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

208ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

42ms
FieldValue
Serial2026101907
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-20 08:36:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-01-06
Expires2027-01-31 (101d)

🔗 Same registrant#

12 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).

DomainRegistrar
folkman.dkPunktum dk A/S (direct)
friendly-web3.dkONE.COM A/S
friendlyanddigital.dkPunktum dk A/S (direct)
friendlycampaign.dkPunktum dk A/S (direct)
friendlyconversion.dk DeactivatedONE.COM A/S
friendlydigital.dkONE.COM A/S
larsfolkman.dkONE.COM A/S
metabureau.dkONE.COM A/S
metaevent.dkONE.COM A/S
metakoncert.dkONE.COM A/S
spadanmark.dkONE.COM A/S
webshopsidanmark.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
81ms
A
102ms
MX
76ms
AAAA
65ms
TXT
277ms
CAA
81ms
HTTPS
73ms
TLSA
80ms
SOA
42ms
MTA-STS
113ms
DNSSEC
208ms
SRV
121ms
Total
804ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 08:18:11 shown 804ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-19 06:33:47 620ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-07 12:42:59 591ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 02:12:01 1340ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 01:33:46 688ms 2 NS 1 A 4 MX ⚠️ Bogus
2026-06-20 01:12:28 799ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-18 16:56:38 13104ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 08:15:41 904ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 08:15:27 1210ms 2 NS 1 A 4 MX 🔒 Secure
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