fjernvarmevaerk.dk

📜 Historical scan 2026-09-30 10:26:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fjernvarmevaerk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.13 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by fjernvarmevaerk-dk.mail.protection.outlook.com. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fjernvarmevaerk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::6 52.101.68.12 52.101.68.25 52.101.91.162 52.101.91.21	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 138ms

TXT Record
_globalsign-domain-verification=gLhfjOnwsOSjX5jmGvUOsVRuluZKaqGHUHY7T3JPYK
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
MS=ms22369482
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY
v=spf1 mx ip4:20.8.98.244 include:spf.mailanyone.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (fjernvarmevaerk.dk)
-all (hard fail)	v=spf1 mx ip4:20.8.98.244 include:spf.mailanyone.net include:spf.protection.outlook.com -all

📨 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 2026-10-08 12:56:08

www	13.107.246.53 (AS8075) (address records, no CNAME)
www vs bare domain	Same network fjernvarmevaerk.dk: 13.107.246.53 (AS8075) www.fjernvarmevaerk.dk: 13.107.246.53 (AS8075)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fjernvarmevaerk-dk._domainkey.hoengvarmevaerk.e-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026092804
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 12:21:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-09
Expires	2027-02-28 (126d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

31ms

57ms

AAAA

31ms

TXT

138ms

CAA

45ms

HTTPS

37ms

TLSA

191ms

SOA

32ms

MTA-STS

46ms

DNSSEC

73ms

SRV

58ms

Total

882ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 11:53:44	889ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:26:05 shown	882ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 00:15:49	746ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 04:11:15	1162ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 09:28:23	1199ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:30:32	882ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:25:44	2831ms	2 NS 1 A 1 MX	🔒 Secure