warmluft.dk

📜 Historical scan 2026-06-20 21:20:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

warmluft.dk is a .dk domain served by 2 nameservers (jake.ns.cloudflare.com, leah.ns.cloudflare.com). It was registered on 20 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.151 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx1.migadu.com, aspmx2.migadu.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leah.ns.cloudflare.com	108.162.192.129 172.64.32.129 173.245.58.129 2606:4700:50::adf5:3a81 2803:f800:50::6ca2:c081 2a06:98c1:50::ac40:2081	leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.236	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	300s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	autoconfig.migadu.com → 141.94.97.141

🔷 AAAA Records (IPv6)#

2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2897	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:98ec	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 81ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.151,172.67.152.236 ech=AEX+DQBBQAAgACD6RriygnhFShwHezuX3s2fhCCTl/l2KxhdqNY5ZPYkXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2897,2606:4700:3036::ac43:98ec

📝 TXT Records#

2 records 435ms

TXT Record
hosted-email-verify=x757dxiv
v=spf1 include:spf.migadu.com ip4:176.9.90.24 +a +mx ip4:49.12.122.94 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (warmluft.dk)
~all (soft fail)	v=spf1 include:spf.migadu.com ip4:176.9.90.24 +a +mx ip4:49.12.122.94 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.warmluft.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@warmluft.dk;

📬 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 2026-10-18 04:20:43

www	104.21.40.151 172.67.152.236 2606:4700:3032::6815:2897 2606:4700:3037::ac43:98ec (AS13335) (address records, no CNAME)
www vs bare domain	Same network warmluft.dk: 104.21.40.151 172.67.152.236 2606:4700:3032::6815:2897 2606:4700:3037::ac43:98ec (AS13335) www.warmluft.dk: 104.21.40.151 172.67.152.236 2606:4700:3032::6815:2897 2606:4700:3037::ac43:98ec (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.warmluft.dk	0dgoAiNFte8ezqPh_divXURKL80_23Jb2Tl9TgDbMhQ

🔗 TLSA / DANE#

2 records 213ms

Service / Owner	Type	Cert association
SMTP _25._tcp.aspmx1.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…
SMTP _25._tcp.aspmx2.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…

🔐 DNSSEC#

258ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

64ms

Field	Value
Serial	2406594360
Primary NS (MNAME)	jake.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 04:51:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-03-20
Expires	2036-03-19 (3438d)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

116ms

AAAA

76ms

TXT

435ms

CAA

77ms

HTTPS

81ms

TLSA

213ms

SOA

64ms

MTA-STS

113ms

DNSSEC

258ms

SRV

267ms

Total

1572ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 04:20:43	793ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 11:03:57	4034ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-21 04:16:07	3224ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-14 01:37:46	1416ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-13 01:11:58	917ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-10 16:03:06	1691ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-03 14:19:01	774ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-07 22:15:30	10441ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-16 03:19:59	1538ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-10 16:10:17	17336ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-09 06:28:10	5331ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-27 11:39:02	875ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 23:43:17	981ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 06:05:20	1093ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 21:20:52 shown	1572ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 17:01:32	974ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:57:59	1138ms	2 NS 2 A 2 MX	🔓 Insecure