coolgray.dk

📜 Historical scan 2026-10-04 17:14:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coolgray.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.189 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. 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#

3 records 195ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 147ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.189	3600s	linux299.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 182ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1184s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 328ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 514ms

TXT Record
google-site-verification=dexQ-Ug6kRRzPEXPhhtsXgGbfrd3zq-sXE13GfjzrJU
mandrill_verify.Cz5gyfJD5LeI7lJ2TcX6Yg
MS=ms37139476
v=spf1 ip4:185.21.40.45 ip4:94.231.99.20 ip4:94.231.99.1 ip4:185.221.37.72 ip4:94.127.54.98 ip4:94.127.54.115 ip4:89.221.244.172 ip4:54.229.40.125 include:spf.mandrillapp.com include:sendgrid.net include:spf.mailanyone.net include:spf.protection.outlook.com include:_spf.powerhosting.dk -all
zVSWNyt0I4EL33Yo7rn8hDHAObW+tEbEMqEeBFV2Nl39MH20kp+vLMaDEAD79SBSufk2/kGsBx5LycZRHh0xKw==

✉️ SPF#

Policy	Record (coolgray.dk)
-all (hard fail)	v=spf1 ip4:185.21.40.45 ip4:94.231.99.20 ip4:94.231.99.1 ip4:185.221.37.72 ip4:94.127.54.98 ip4:94.127.54.115 ip4:89.221.244.172 ip4:54.229.40.125 include:spf.mandrillapp.com include:sendgrid.net include:spf.mailanyone.net include:spf.protection.outlook.com include:_spf.powerhosting.dk -all

📨 DMARC#

Policy	Record (_dmarc.coolgray.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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 2026-10-13 13:47:55

www	93.191.156.189 (AS48854) (address records, no CNAME)
www vs bare domain	Same network coolgray.dk: 93.191.156.189 (AS48854) www.coolgray.dk: 93.191.156.189 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	ph._domainkey.powerhosting.dk	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 244ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

394ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 17:28:55

Field	Value
Registrar	Simply.com A/S
Registered	2009-03-27
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

195ms

147ms

182ms

AAAA

167ms

TXT

514ms

CAA

158ms

HTTPS

164ms

TLSA

244ms

SOA

68ms

MTA-STS

214ms

DNSSEC

394ms

SRV

328ms

Total

1905ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:47:55	683ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-04 17:14:51 shown	1905ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 16:45:50	464ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 13:47:33	541ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-15 10:37:19	1015ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 19:57:09	842ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-18 22:51:40	8224ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-20 21:48:29	975ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-17 14:09:57	16830ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:05:26	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 00:01:34	838ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:16:23	2829ms	2 NS 1 A 1 MX	🔒 Secure