keycore.dk DNS records

🖥️ Nameservers4 records 331ms

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 355ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.164.240.103	—	server-3-164-240-103.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.164.240.114	—	server-3-164-240-114.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.164.240.121	—	server-3-164-240-121.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.164.240.96	—	server-3-164-240-96.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records1 records 413ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	keycore-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 52.101.68.25 52.101.68.29 52.101.68.8 52.101.73.15	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.99.150.88

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 1095ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC690ms

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

🏷️ SOA292ms

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

331ms

A

355ms

MX

413ms

AAAA

305ms

TXT

1095ms

CAA

317ms

HTTPS

359ms

TLSA

828ms

SOA

292ms

MTA-STS

419ms

DNSSEC

690ms

SRV

484ms

Total

5947ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 19:13:24	5595ms	4 NS 4 A 1 MX	🔓 Insecure	View
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