cool-gray.dk DNS records

🖥️ Nameservers3 records 31ms

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 31ms

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 Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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

📝 TXT Records3 records 133ms

TXT Record
lkSHy2fg2dYt1sGjZuIqHLw+Gk4c75iXopf7mSt+UnstPYpsFDz/78NcmrwEVQN2Bz1zKA3AjEOF+DjyzYl0cw==
MS=ms79326851
v=spf1 include:spf.protection.outlook.com include:spf.lasertryk.dk -all

✉️ SPF

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

📨 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

🔗 TLSA / DANE1 records 54ms

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

🔐 DNSSEC2048ms

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	2026071707
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

31ms

A

31ms

MX

29ms

AAAA

31ms

TXT

133ms

CAA

27ms

HTTPS

28ms

TLSA

54ms

SOA

0ms

MTA-STS

41ms

DNSSEC

2048ms

SRV

63ms

Total

2853ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-20 22:21:17	2853ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 13:01:50	587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 08:18:29	701ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 14:02:29	940ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 23:47:43	916ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 05:34:44	1666ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:10:54	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 22:16:36	587ms	2 NS 1 A 1 MX	🔒 Secure	View