alsfjernvarme.dk

Records from scan: 2026-09-30 08:47:38 · 552ms total · last checked 2026-10-18 08:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alsfjernvarme.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.107.246.53 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by alsfjernvarme-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

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
13.107.246.53	3600s	—	AS8075	Microsoft Corporation	13.107.240.0/21	🇺🇸 United States	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	alsfjernvarme-dk.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca09::a 2a01:111:f403:ca21::10 2a01:111:f403:ca21::8 52.101.103.137 52.101.68.25 52.101.73.120 52.101.91.159	mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 131ms

TXT Record
_globalsign-domain-verification=Y7zO13hhREDrOvnHk9JLsv4V90jWMyk8547R6WDqmh
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
MS=ms50543109
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (alsfjernvarme.dk)
-all (hard fail)	v=spf1 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#

checked 2026-09-30 08:47:38

www	Address record (no CNAME)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

47ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092901
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 2026-10-11 13:50:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-08-04
Expires	2027-08-31 (316d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

AAAA

29ms

TXT

131ms

CAA

33ms

HTTPS

30ms

TLSA

174ms

SOA

0ms

MTA-STS

43ms

DNSSEC

47ms

SRV

36ms

Total

552ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 08:47:38 shown	552ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 09:19:20	1339ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 08:15:31	821ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 22:28:11	836ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 04:07:42	1257ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 05:52:08	1089ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:26:19	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:52:51	1559ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:49:17	2129ms	2 NS 1 A 1 MX	🔒 Secure