heatflow.dk

📜 Historical scan 2026-08-13 13:48:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heatflow.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was registered on 16 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.18 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by heatflow-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#

3 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.netsite.dk	185.224.16.200 2a0c:cc00:0:1648::53	ns1.netsite.dk ns1.netsite.dk	AS205206 Netsite A/S AS205206 Netsite A/S
ns2.netsite.eu	194.58.196.59 2a01:3f1:859::53	ns2.netsite.eu ns2.netsite.eu	AS8674 Netnod AB AS8674 Netnod AB
ns3.netsite.se	185.42.137.115 2a01:3f0:400::59	ns3.netsite.se ns3.netsite.se	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.224.18.18	4800s	webproxy.netsite.dk	AS205206	Netsite A/S	185.224.16.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heatflow-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 52.101.68.36 52.101.73.16 52.101.73.19 52.101.73.22	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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#

2 records 190ms

TXT Record
MS=ms25195253
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (heatflow.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.heatflow.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-15 15:45:58

www	185.224.18.18 (AS205206) (address records, no CNAME)
www vs bare domain	Same network heatflow.dk: 185.224.18.18 (AS205206) www.heatflow.dk: 185.224.18.18 (AS205206)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.heatflow.dk	I8I5Vk7DgaHJv6jlRyC9V2lQfug0vD0Tf836fQ8m2Qc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081301
Primary NS (MNAME)	ns1.netsite.dk
Responsible (RNAME)	hostmaster@netsite.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 21:08:03

Field	Value
Registrar	Netsite A/S
Registered	2017-02-16
Expires	2027-02-28 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

47ms

43ms

AAAA

34ms

TXT

190ms

CAA

41ms

HTTPS

71ms

TLSA

648ms

SOA

0ms

MTA-STS

62ms

DNSSEC

75ms

SRV

96ms

Total

1768ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 15:45:58	2141ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 13:28:32	1388ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 21:02:31	1356ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 20:27:43	1051ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 19:46:57	1082ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 02:36:31	996ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-22 02:35:40	1201ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 18:07:21	1079ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-15 14:37:56	1271ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-08 12:37:11	996ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:07:35	1229ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-20 04:44:23	1602ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 03:42:09	7131ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 13:48:12 shown	1768ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-07 08:33:10	9336ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-06 00:45:09	1941ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-24 00:05:06	1415ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-17 09:12:54	2243ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-10 10:44:16	3145ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-03 11:26:31	869ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:14:24	979ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:59:59	2249ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:04:22	1168ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:02:32	1181ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:56:34	1392ms	3 NS 1 A 1 MX	🔒 Secure