heatflow.dk

Records from scan: 2026-10-15 15:45:58 · 2141ms total · last checked 2026-10-17 18:44 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 66ms

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 82ms

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 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heatflow-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::a 52.101.209.31 52.101.68.15 52.101.68.25 52.101.91.156	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-maspr04cu00104.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 277ms

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#

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#

180ms

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

🏷️ SOA#

57ms

Field	Value
Serial	2026101501
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#

66ms

82ms

78ms

AAAA

87ms

TXT

277ms

CAA

89ms

HTTPS

84ms

TLSA

1192ms

SOA

57ms

MTA-STS

125ms

DNSSEC

180ms

SRV

232ms

Total

2141ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 15:45:58 shown	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	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