co2improve.dk

📜 Historical scan 2026-06-16 21:30:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

co2improve.dk is a .dk domain served by 3 nameservers (ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.46.140.9 is hosted by Cyso Group B.V. (AS25151) in The Netherlands. Mail is handled by mx1.antispam-login.net, mx2.antispam-login.net. 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#

3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sqr.nl	—	—	—
ns2.sqr.domains	—	—	—
ns3.sqr.cloud	—	—	—

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.46.140.9	—	web103.shared.hosting-login.net	AS25151	Cyso Group B.V.	37.46.136.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

2 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.antispam-login.net	93.94.228.132 93.94.228.133	filter1.antispam-login.net filter2.antispam-login.net	AS25151 Cyso Group B.V. AS25151 Cyso Group B.V.
20	—	mx2.antispam-login.net	93.94.228.132 93.94.228.133	filter1.antispam-login.net filter2.antispam-login.net	AS25151 Cyso Group B.V. AS25151 Cyso Group B.V.

🔷 AAAA Records (IPv6)#

1 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:518:1:1041::9	—	—	AS25151	Cyso Group B.V.	2a01:518:0:0:0:0:0:0/32	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 199ms

TXT Record
v=spf1 include:spf.sqr.nl -all

✉️ SPF#

Policy	Record (co2improve.dk)
-all (hard fail)	v=spf1 include:spf.sqr.nl -all

📨 DMARC#

Policy	Record (_dmarc.co2improve.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-11 00:57:37

www CNAME	co2improve.dk (all on co2improve.dk) → 37.46.140.9 2a01:518:1:1041::9 (AS25151)
www vs bare domain	Same network co2improve.dk: 37.46.140.9 2a01:518:1:1041::9 (AS25151) www.co2improve.dk: 37.46.140.9 2a01:518:1:1041::9 (AS25151)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 109ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.antispam-login.net	DANE-EE · SPKI · SHA-256	1FDB1C74A3A6D6C5990A38291982DC61…
SMTP _25._tcp.mx2.antispam-login.net	DANE-EE · SPKI · SHA-256	1FDB1C74A3A6D6C5990A38291982DC61…

🔐 DNSSEC#

158ms

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

🏷️ SOA#

73ms

Field	Value
Serial	2026040701
Primary NS (MNAME)	ns1.sqr.nl
Responsible (RNAME)	hostmaster@co2improve.dk
Refresh	3600s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

75ms

71ms

74ms

AAAA

78ms

TXT

199ms

CAA

70ms

HTTPS

74ms

TLSA

109ms

SOA

73ms

MTA-STS

79ms

DNSSEC

158ms

SRV

0ms

Total

772ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-28 03:49:37	1429ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-27 12:45:14	1319ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 03:44:35	1356ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-16 21:48:41	65535ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-16 21:40:04	2105ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-16 21:30:47 shown	772ms	3 NS 1 A 2 MX	🔓 Insecure