openenergydata.dk

📜 Historical scan 2026-10-09 09:01:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

openenergydata.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.84.65 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mx1.spamfilter.cc, mx2.spamfilter.cc and 1 more. 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 25ms

Nameserver	IP addresses	PTR	ASN / 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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.38.84.65	43200s	redirector.ait.dtu.dk	AS1835	IDDQD-AS	192.38.0.0/17	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

3 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx1.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
10	43200s	mx2.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
20	43200s	mx3.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	redirector.ait.dtu.dk → 192.38.84.65
🔶 Autoconfig	redirector.ait.dtu.dk → 192.38.84.65

🔷 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 2026-10-12 15:00:39

www CNAME	redirector.ait.dtu.dk (all on dtu.dk) → 192.38.84.65 (AS1835)
www vs bare domain	Same network openenergydata.dk: 192.38.84.65 (AS1835) www.openenergydata.dk: 192.38.84.65 (AS1835)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.openenergydata.dk	redirector.ait.dtu.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

34ms

Field	Value
Serial	2026041201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 11:59:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-02-04
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

29ms

37ms

AAAA

28ms

TXT

142ms

CAA

36ms

HTTPS

32ms

TLSA

68ms

SOA

34ms

MTA-STS

63ms

DNSSEC

55ms

SRV

60ms

Total

699ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:00:39	2186ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-10 11:46:39	3203ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-09 09:01:59 shown	699ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-25 15:12:55	879ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-16 07:56:07	2973ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 08:43:27	1140ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 22:07:06	1804ms	2 NS 1 A 3 MX	🔒 Secure