coolmail.dk

📜 Historical scan 2026-06-24 23:14:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coolmail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.157.27 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.coolmail.dk. The zone is DNSSEC-signed and validates, has no 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.58.157.27	600s	—	AS47292	Sentia Denmark A/S	86.58.156.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.coolmail.dk	86.58.157.12	mail2.coolmail.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	coolmail.dk → 86.58.157.27
🔶 Autoconfig	coolmail.dk → 86.58.157.27

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-17 16:27:17

www	86.58.157.27 (AS47292) (address records, no CNAME)
www vs bare domain	Same network coolmail.dk: 86.58.157.27 (AS47292) www.coolmail.dk: 86.58.157.27 (AS47292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.coolmail.dk	coolmail.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026060101
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 2026-10-05 01:32:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-01-26
Expires	2027-03-31 (158d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

73ms

37ms

AAAA

77ms

TXT

267ms

CAA

36ms

HTTPS

38ms

TLSA

66ms

SOA

35ms

MTA-STS

110ms

DNSSEC

87ms

SRV

220ms

Total

781ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 08:08:01	2696ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:56:39	2207ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 02:43:03	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:57:50	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 21:18:55	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 20:42:56	4767ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 20:11:15	8945ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 19:52:27	961ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 09:52:08	668ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:14:18 shown	781ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 12:36:03	7294ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:16:00	4409ms	2 NS 1 A 1 MX	🔒 Secure