hadsundfjernvarme.dk

Records from scan: 2026-10-07 12:31:52 · 839ms total · last checked 2026-10-20 04:03 (unchanged)

⬇ 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 13.107.213.53 is hosted by Microsoft Corporation (AS8075) in United States. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.107.213.53	3600s	—	AS8075	Microsoft Corporation	13.107.192.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hadsundfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::e 2a01:111:f403:ca21::10 2a01:111:f403:ca21::e 52.101.185.114 52.101.185.24 52.101.68.29 52.101.68.8	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 98ms

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#

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#

117ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026100601
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 (129d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

30ms

39ms

AAAA

37ms

TXT

98ms

CAA

43ms

HTTPS

37ms

TLSA

111ms

SOA

39ms

MTA-STS

48ms

DNSSEC

117ms

SRV

260ms

Total

839ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 12:31:52 shown	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	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