4300cool.dk

📜 Historical scan 2026-06-16 12:59:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4300cool.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.229.205 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by 4300cool-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 81ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.229.205	—	172-104-229-205.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.104.224.0/19	🇩🇪 Germany	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	4300cool-dk.mail.protection.outlook.com	52.101.68.15 52.101.68.32 52.101.68.8 52.101.73.1	mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 171ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

✉️ SPF#

Policy	Record (4300cool.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

📨 DMARC#

Policy	Record (_dmarc.4300cool.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-14 07:56:46

www CNAME	4300cool.dk (all on 4300cool.dk) → 172.104.229.205 (AS63949)
www vs bare domain	Same network 4300cool.dk: 172.104.229.205 (AS63949) www.4300cool.dk: 172.104.229.205 (AS63949)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

220ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

60ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 14:08:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-12-07
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

92ms

53ms

AAAA

82ms

TXT

171ms

CAA

43ms

HTTPS

91ms

TLSA

440ms

SOA

60ms

MTA-STS

89ms

DNSSEC

220ms

SRV

0ms

Total

1976ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 07:56:46	1497ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 18:59:20	1191ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:22:36	3359ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:59:27 shown	1976ms	2 NS 1 A 1 MX	🔒 Secure