coolrunner.dk DNS records

🖥️ Nameservers4 records 17ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1513.awsdns-61.org	—	—	—
ns-1875.awsdns-42.co.uk	—	—	—
ns-74.awsdns-09.com	—	—	—
ns-841.awsdns-41.net	—	—	—

🌍 A Records4 records 19ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.55	—	server-3-174-18-55.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.7	—	server-3-174-18-7.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.73	—	server-3-174-18-73.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.78	—	server-3-174-18-78.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records1 records 17ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	coolrunner-dk.mail.protection.outlook.com	52.101.73.1 52.101.73.15 52.101.73.2 52.101.73.8	mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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 Records2 records 174ms

TXT Record
postman-domain-verification=efe2e8f22bc1fa5804ac74acc64cec8b5f56a00a8dc0c7281d6e93afffbda8764800445750cd223e228af8376a7dc98a1adf52e17e797a825cdb7e7310c9f8a1 google-site-verification=kVp5_swcMmAJeLS6BgJq1YPQYmq1dY-lVsACjudXUtI
v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.mailjet.com ip4:62.199.219.6 ip4:159.183.105.14 ip4:167.89.79.166 ip4:168.245.38.114 include:mail.zendesk.com include:emsd1.com ~all include:8403585.spf08.hubspotemail.net

✉️ SPF

Policy	Record (coolrunner.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.mailjet.com ip4:62.199.219.6 ip4:159.183.105.14 ip4:167.89.79.166 ip4:168.245.38.114 include:mail.zendesk.com include:emsd1.com ~all include:8403585.spf08.hubspotemail.net

📨 DMARC

Policy	Record (_dmarc.coolrunner.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:it@coolrunner.dk; ruf=mailto:it@coolrunner.dk; fo=1;

📬 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 / DANE

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

🔐 DNSSEC88ms

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

🏷️ SOA18ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1875.awsdns-42.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

17ms

A

19ms

MX

17ms

AAAA

19ms

TXT

174ms

CAA

17ms

HTTPS

17ms

TLSA

318ms

SOA

18ms

MTA-STS

45ms

DNSSEC

88ms

SRV

0ms

Total

1005ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:46:31	4266ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-28 06:31:35	2558ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-16 22:16:51	1005ms	4 NS 4 A 1 MX	🔓 Insecure	View