heatex.dk

📜 Historical scan 2026-09-24 10:26:12 · ← Latest scan

heatex.dk is a .dk domain served by 4 nameservers (ephemera.nmugroup.se, origo.nmugroup.com, unit.nmugroup.com and 1 more). Its website address 193.183.80.13 is hosted by Nordisk Media Utveckling AB (AS204074) in Sweden. Mail is handled by .. 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

4 records 24ms

Nameserver	IP addresses	PTR	ASN / ISP
ephemera.nmugroup.se	2a02:80:3ffe::28 85.30.129.28	ephemera.nmugroup.se ephemera.nmugroup.se	AS34244 Teleservice Bredband Skane AB AS34244 Teleservice Bredband Skane AB
origo.nmugroup.com	193.183.80.4 2001:67c:1b2c::4	origo.nmugroup.com origo.nmugroup.com	AS204074 Nordisk Media Utveckling AB AS204074 Nordisk Media Utveckling AB
unit.nmugroup.com	2001:4db8:e004::2 217.10.116.210	unit.nmugroup.com unit.nmugroup.com	AS35706 Net at Once Sweden AB AS35706 Net at Once Sweden AB
vertex.nmugroup.se	195.246.120.244 2a02:752:0:18::18	vertex.nmugroup.se vertex.nmugroup.se	AS42708 Glesys AB AS42708 Glesys AB

🌍 A Records

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.183.80.13	3600s	redirect.nmugroup.com	AS204074	Nordisk Media Utveckling AB	193.183.80.0/24	🇸🇪 Sweden	—

📧 MX Records

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

1 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:1b2c::4:1	3600s	redirect.nmugroup.com	AS204074	Nordisk Media Utveckling AB	2001:67c:1b2c:0:0:0:0:0/48	🇸🇪 Sweden	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 312ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (heatex.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.heatex.dk)
p=reject	v=DMARC1; p=reject; aspf=s; adkim=s;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

3 records 43ms

Flags	Tag	Value
0	iodef	mailto:admin@nmugroup.com
0	issue	letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1886703
0	issuewild	;

🔎 SPF check

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.heatex.dk	_acme-challenge._.heatex.dk._.redirect.nmugroup.com._.acme-challenge.nmugroup.se

🔗 TLSA / DANE

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

🔐 DNSSEC

115ms

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

🏷️ SOA

0ms

Field	Value
Serial	2026092200
Primary NS (MNAME)	origo.nmugroup.com
Responsible (RNAME)	dns@nmugroup.com
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

24ms

37ms

54ms

AAAA

37ms

TXT

312ms

CAA

43ms

HTTPS

49ms

TLSA

923ms

SOA

0ms

MTA-STS

65ms

DNSSEC

115ms

SRV

451ms

Total

1866ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-25 10:28:12	739ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 10:26:12 shown	1866ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-23 10:22:29	2632ms	1 NS 0 A 0 MX	❓ Unknown