kuldioxid.dk

📜 Historical scan 2026-09-25 20:20:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kuldioxid.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 9 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.216.134.140 is hosted by Akamai International B.V. (AS20940) in Sweden. The zone is not DNSSEC-signed, 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#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	udns1.cscdns.net udns1.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	udns2.cscdns.uk udns2.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.216.134.140	60s	a23-216-134-140.deploy.static.akamaitechnologies.com	AS20940	Akamai International B.V.	23.216.128.0/21	🇸🇪 Sweden	Stockholm
23.216.134.157	60s	a23-216-134-157.deploy.static.akamaitechnologies.com	AS20940	Akamai International B.V.	23.216.128.0/21	🇸🇪 Sweden	Stockholm

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 275ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.kuldioxid.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:xrdv15em@ag.eu.dmarcian.com;ruf=mailto:xrdv15em@fr.eu.dmarcian.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

4 records 36ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com
0	issue	letsencrypt.org
0	issue	sectigo.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-09-30 17:51:56

www CNAME	aag4.linde.com.edgekey.net (all on edgekey.net)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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	2019111094
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	premiumdns@support.neustar
Refresh	14400s
Retry	3600s
Expire	1296000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 19:09:35

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1998-02-09
Expires	2027-03-31 (165d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aga.dk	CSC Digital Brand Service, Inc
argon.dk	CSC Digital Brand Service, Inc
inomax.dk	CSC Digital Brand Service, Inc
lindegass.dk	CSC Digital Brand Service, Inc
specialgasser.dk	CSC Digital Brand Service, Inc
svejseprodukter.dk	CSC Digital Brand Service, Inc

📋 WHOIS#

⏱️ Lookup Timing#

43ms

54ms

63ms

AAAA

45ms

TXT

275ms

CAA

36ms

HTTPS

55ms

TLSA

66ms

SOA

0ms

MTA-STS

77ms

DNSSEC

88ms

SRV

70ms

Total

651ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:51:56	506ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 20:20:24 shown	651ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 10:34:40	9936ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 23:00:21	2019ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 09:35:32	2794ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 07:56:58	909ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:57:32	1358ms	2 NS 2 A 0 MX	🔓 Insecure