fredericiafjernvarme.dk

📜 Historical scan 2026-09-28 23:35:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fredericiafjernvarme.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It 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 mailfilter.onwelcom.dk, mx2.onwelcom.dk. 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 43ms

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 40ms

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#

2 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mailfilter.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps
20	3600s	mx2.onwelcom.dk	185.51.79.248	mailfilter.powernet.dk	AS205984 Powernet Aps

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 238ms

TXT Record
+oCmtNuu7RYB9GJxNTul1TOIBLDHA0k8aHekPP6IL48
CcaBKNfGmnDTT0JmWLEJrWNgLbvxcB7cB+2TGyz9phA
qJiqTP8FIrhmO4igTSTo7+I1x5+GIwQOeN09RlCkwXM
sPXP2e6RHt5Nt0UqMXcwhaM8qmUc/fFcVnTTA2kkaCY

✉️ 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 2026-10-27 08:49:21

www	13.107.246.53 (AS8075) (address records, no CNAME)
www vs bare domain	Same network fredericiafjernvarme.dk: 13.107.246.53 (AS8075) www.fredericiafjernvarme.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092801
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

43ms

40ms

25ms

AAAA

26ms

TXT

238ms

CAA

34ms

HTTPS

35ms

TLSA

77ms

SOA

0ms

MTA-STS

50ms

DNSSEC

119ms

SRV

46ms

Total

741ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 08:49:21	562ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-08 02:07:52	388ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-28 23:35:30 shown	741ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-25 22:40:04	480ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 11:21:01	601ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 04:04:34	1737ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 16:02:07	920ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:44:54	549ms	2 NS 1 A 2 MX	🔒 Secure