novaheat.dk

📜 Historical scan 2026-09-28 08:23:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

novaheat.dk is a .dk domain served by 2 nameservers (andronicus.ns.cloudflare.com, izabella.ns.cloudflare.com). It was registered on 15 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.237 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by web1.hosting1976.fr. 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 17ms

Nameserver	IP addresses	PTR	ASN / ISP
andronicus.ns.cloudflare.com	108.162.195.113 162.159.44.113 172.64.35.113 2606:4700:58::a29f:2c71 2803:f800:50::6ca2:c371 2a06:98c1:50::ac40:2371	andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com andronicus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
izabella.ns.cloudflare.com	108.162.194.46 162.159.38.46 172.64.34.46 2606:4700:50::a29f:262e 2803:f800:50::6ca2:c22e 2a06:98c1:50::ac40:222e	izabella.ns.cloudflare.com izabella.ns.cloudflare.com izabella.ns.cloudflare.com izabella.ns.cloudflare.com izabella.ns.cloudflare.com izabella.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.237	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.212	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 9ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	web1.hosting1976.fr	51.91.6.190	web1.hosting1976.fr	AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records 11ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:48ed	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3030::ac43:bbd4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.72.237,172.67.187.212 ech=AEX+DQBBOQAgACDABaBVi5IwIh9XmVCaHCepRbewCloZrmP000PlIz/8cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bbd4,2606:4700:3035::6815:48ed

📝 TXT Records#

1 records 53ms

TXT Record
v=spf1 +a +mx +ip4:54.37.208.212 +ip4:54.37.208.213 +ip4:51.254.228.76 +ip4:5.196.91.193 +ip4:54.37.127.97 +include:_spf.google.com +ip4:5.196.51.63 +ip4:54.37.127.96/30 +ip4:178.32.80.145 -all

✉️ SPF#

Policy	Record (novaheat.dk)
-all (hard fail)	v=spf1 +a +mx +ip4:54.37.208.212 +ip4:54.37.208.213 +ip4:51.254.228.76 +ip4:5.196.91.193 +ip4:54.37.127.97 +include:_spf.google.com +ip4:5.196.51.63 +ip4:54.37.127.96/30 +ip4:178.32.80.145 -all

📨 DMARC#

Policy	Record (_dmarc.novaheat.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:morten+dmarc@novasolar.dk; ruf=mailto:morten+dmarcfail@novasolar.dk; fo=0:1:d:s; ri=604800

📬 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 04:28:57

www	104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (AS13335) (address records, no CNAME)
www vs bare domain	Same network novaheat.dk: 104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (AS13335) www.novaheat.dk: 104.21.72.237 172.67.187.212 2606:4700:3030::ac43:bbd4 2606:4700:3035::6815:48ed (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.novaheat.dk	ZL_bH3tDyB_-h6jTV5sOB-YqCNq9is5YlFprFRJxcIY
TXT	_acme-challenge.novaheat.dk	i-mmNX8fJYHgQBb0DhIl5SvOqcSOy4Xgx1jXOhNYnps
TXT	_acme-challenge.novaheat.dk	d9DAPLJrER9byjbFHr-5wkOBymI11uL51Bwa5ynsXoQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK…
ZSK	ECDSA P-256/SHA-256	oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN…

🏷️ SOA#

10ms

Field	Value
Serial	2415553500
Primary NS (MNAME)	andronicus.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 13:41:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-01-15
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

17ms

41ms

9ms

AAAA

11ms

TXT

53ms

CAA

7ms

HTTPS

46ms

TLSA

173ms

SOA

10ms

MTA-STS

59ms

DNSSEC

129ms

SRV

0ms

Total

1898ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 04:28:56	3215ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-05 12:44:10	2354ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 12:17:13	2154ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 12:10:00	914ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 12:09:30	721ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 09:37:29	1129ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 09:21:24	983ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 08:23:43 shown	1898ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 14:09:56	1713ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 05:57:56	2834ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 05:16:55	2502ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 02:34:44	1136ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 16:43:14	946ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 15:34:17	953ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-05 02:43:02	1256ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 10:18:19	1105ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 11:49:29	1108ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 10:05:07	959ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:47:12	2983ms	2 NS 2 A 1 MX	🔓 Insecure