heatsave.dk

📜 Historical scan 2026-09-29 00:02:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heatsave.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by heatsave-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#

4 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heatsave-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca09::22 2a01:111:f403:ca48::c 52.101.68.12 52.101.68.21 52.101.91.159 52.101.91.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr05cu00105.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
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 121ms

TXT Record
google-site-verification=4tv1l5ePDJ0COT81DSlJZo7MgFu6qcPmcEvmenBYiy8
google-site-verification=myjFYPNFRlPzV-UQTICoFAlMGRlh4jFQGuRaH9hKxEk
openai-domain-verification=dv-oV8vBv3KmnrASC7G4dynKgVa
Sendinblue-code:b0f3c7ac06ce2e0a896332f20c1fd0e0
v=spf1 mx include:spf.sendinblue.com include:spf.protection.outlook.com include:spf.simply.com include:spf.eu.exclaimer.net include:spf.minuba.dk -all

✉️ SPF#

Policy	Record (heatsave.dk)
-all (hard fail)	v=spf1 mx include:spf.sendinblue.com include:spf.protection.outlook.com include:spf.simply.com include:spf.eu.exclaimer.net include:spf.minuba.dk -all

📨 DMARC#

Policy	Record (_dmarc.heatsave.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:reports@dmarc.host123.dk; ruf=mailto:reports@dmarc.host123.dk; fo=1; adkim=s; aspf=s;

📬 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 2026-10-10 08:33:18

www CNAME	shop.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network heatsave.dk: 23.227.38.65 (AS13335) www.heatsave.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-heatsave-dk._domainkey.greedanmark.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-heatsave-dk._domainkey.greedanmark.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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092800
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-09-04 08:12:09

Field	Value
Registrar	Simply.com A/S
Registered	2015-09-22
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

59ms

36ms

AAAA

27ms

TXT

121ms

CAA

34ms

HTTPS

38ms

TLSA

620ms

SOA

0ms

MTA-STS

53ms

DNSSEC

124ms

SRV

58ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:56:19	846ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 00:02:36 shown	1271ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 23:34:54	988ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:13:45	794ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-15 02:46:27	2271ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-10 14:34:32	1459ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-04 08:11:31	959ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:27:17	837ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-22 03:27:26	1816ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-20 02:00:36	9319ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-12 15:49:40	1347ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-11 07:55:23	4766ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:08:49	862ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:07:49	839ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:01:09	1763ms	4 NS 1 A 1 MX	🔒 Secure