hadsundfjernvarme.dk

📜 Historical scan 2026-09-16 19:12:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hadsundfjernvarme.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 February 2015 (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 hadsundfjernvarme-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 141ms

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 121ms

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 143ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hadsundfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::a 2a01:111:f403:ca21::c 52.101.68.21 52.101.68.39 52.101.73.126 52.101.73.153	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 361ms

TXT Record
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
MS=ms27113503
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY
v=spf1 ip4:194.239.255.238 include:spf.protection.outlook.com include:spfa.cpmails.com -all

✉️ SPF#

Policy	Record (hadsundfjernvarme.dk)
-all (hard fail)	v=spf1 ip4:194.239.255.238 include:spf.protection.outlook.com include:spfa.cpmails.com -all

📨 DMARC#

Policy	Record (_dmarc.hadsundfjernvarme.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:watchdog@labtech.dk; fo=1

📬 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 12:42:14

www	13.107.213.53 (AS8075) (address records, no CNAME)
www vs bare domain	Same network hadsundfjernvarme.dk: 13.107.213.53 (AS8075) www.hadsundfjernvarme.dk: 13.107.213.53 (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-hadsundfjernvarme-dk._domainkey.hadsundfjernvarme.onmicrosoft.com	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#

183ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091501
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 2026-10-07 12:34:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-02-03
Expires	2027-02-28 (125d)

📋 WHOIS#

⏱️ Lookup Timing#

141ms

121ms

143ms

AAAA

148ms

TXT

361ms

CAA

127ms

HTTPS

119ms

TLSA

220ms

SOA

0ms

MTA-STS

126ms

DNSSEC

183ms

SRV

375ms

Total

1204ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 12:31:52	839ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:32:23	1054ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 19:12:46 shown	1204ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 17:29:51	716ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 04:02:35	1193ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:57:44	1231ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 18:58:54	9679ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:45:25	1090ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:40:03	3177ms	2 NS 1 A 1 MX	🔒 Secure