keycore.dk DNS records

🖥️ Nameservers4 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1352.awsdns-41.org	205.251.197.72 2600:9000:5305:4800::1	ns-1352.awsdns-41.org ns-1352.awsdns-41.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1812.awsdns-34.co.uk	205.251.199.20 2600:9000:5307:1400::1	ns-1812.awsdns-34.co.uk ns-1812.awsdns-34.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-212.awsdns-26.com	205.251.192.212 2600:9000:5300:d400::1	ns-212.awsdns-26.com ns-212.awsdns-26.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-833.awsdns-40.net	205.251.195.65 2600:9000:5303:4100::1	ns-833.awsdns-40.net ns-833.awsdns-40.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records4 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.101	60s	server-3-174-18-101.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.52	60s	server-3-174-18-52.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.60	60s	server-3-174-18-60.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	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	keycore-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 52.101.68.32 52.101.68.36 52.101.73.19 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 303ms

TXT Record
atlassian-domain-verification=sVc4fsK3ShA9/ZXxpXJB4sl3ki2Lw3NlohTa8z5nGIAZVo7/xoQR00hnWjEfpmwg
ca3-585fcf2c09f249089b03cccb7d6e16f9
google-site-verification=NQUvF-AiKIBg6epII_NC9UJxAzqDQ_Ne-AkJvL4RAU8
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.keycore.dk)
p=reject	v=DMARC1; p=reject; fo=1; pct=10; rua=mailto:5cdb28be@mxtoolbox.dmarc-report.com; ruf=mailto:5cdb28be@forensics.dmarc-report.com;

📬 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.keycore.dk	keycore.dk.kinstavalidation.app
TXT	keycore.dk.kinstavalidation.app	JwB7zbENr9Nq-5UMTQSx5_H3IYYodETAaMsvFxuh3Lc
TXT	keycore.dk.kinstavalidation.app	sUZSQCxv7zJU5zs4SkVrOyU_UuIit8rZgoRZcFcKe7U

🔗 TLSA / DANE

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

🔐 DNSSEC9086ms

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-833.awsdns-40.net
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

54ms

A

53ms

MX

51ms

AAAA

42ms

TXT

303ms

CAA

56ms

HTTPS

53ms

TLSA

347ms

SOA

0ms

MTA-STS

116ms

DNSSEC

9086ms

SRV

91ms

Total

10020ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:12:54	10020ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-27 04:03:23	2425ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-26 11:43:36	1163ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-26 01:39:27	1213ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-23 07:54:08	1142ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 20:02:31	5947ms	4 NS 4 A 1 MX	🔓 Insecure	View