coolrunner.dk DNS records

🖥️ Nameservers4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1513.awsdns-61.org	205.251.197.233 2600:9000:5305:e900::1	ns-1513.awsdns-61.org ns-1513.awsdns-61.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1875.awsdns-42.co.uk	205.251.199.83 2600:9000:5307:5300::1	ns-1875.awsdns-42.co.uk ns-1875.awsdns-42.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-74.awsdns-09.com	205.251.192.74 2600:9000:5300:4a00::1	ns-74.awsdns-09.com ns-74.awsdns-09.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-841.awsdns-41.net	205.251.195.73 2600:9000:5303:4900::1	ns-841.awsdns-41.net ns-841.awsdns-41.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records4 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.55	60s	server-3-174-18-55.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.7	60s	server-3-174-18-7.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.73	60s	server-3-174-18-73.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.78	60s	server-3-174-18-78.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coolrunner-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.103.137 52.101.68.12 52.101.68.29 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	coolrunner.dk → 3.174.18.73

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 936ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 311ms

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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC160ms

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

🏷️ SOA0ms

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

41ms

A

84ms

MX

50ms

AAAA

56ms

TXT

311ms

CAA

56ms

HTTPS

34ms

TLSA

190ms

SOA

0ms

MTA-STS

136ms

DNSSEC

160ms

SRV

936ms

Total

4266ms

🕐 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