coolgray.dk DNS records

🖥️ Nameservers3 records 40ms

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 Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.189	1629s	linux299.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	2742s	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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 66ms

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

📝 TXT Records5 records 147ms

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

🔗 TLSA / DANE1 records 71ms

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

🔐 DNSSEC283ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081800
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

52ms

MX

38ms

AAAA

51ms

TXT

147ms

CAA

49ms

HTTPS

39ms

TLSA

71ms

SOA

0ms

MTA-STS

57ms

DNSSEC

283ms

SRV

66ms

Total

842ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:57:09	842ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 22:51:40	8224ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 21:48:29	975ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 14:09:57	16830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:05:26	869ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:01:34	838ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:16:23	2829ms	2 NS 1 A 1 MX	🔒 Secure	View