nixcore.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
kirk.ns.cloudflare.com	108.162.193.192 172.64.33.192 173.245.59.192 2606:4700:58::adf5:3bc0 2803:f800:50::6ca2:c1c0 2a06:98c1:50::ac40:21c0	kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nancy.ns.cloudflare.com	108.162.194.84 162.159.38.84 172.64.34.84 2606:4700:50::a29f:2654 2803:f800:50::6ca2:c254 2a06:98c1:50::ac40:2254	nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com nancy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	nixcore-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 52.101.68.18 52.101.68.3 52.101.73.22 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 166ms

TXT Record
MS=ms28855597
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.nixcore.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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)

🔐 DNSSEC67ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2410806172
Primary NS (MNAME)	kirk.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

32ms

MX

33ms

AAAA

40ms

TXT

166ms

CAA

44ms

HTTPS

53ms

TLSA

174ms

SOA

0ms

MTA-STS

47ms

DNSSEC

67ms

SRV

93ms

Total

1387ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-31 00:17:26	1387ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-26 12:49:17	26380ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-11 12:13:35	9536ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 16:06:39	2005ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-19 08:00:27	1277ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 05:01:41	1776ms	2 NS 0 A 1 MX	🔓 Insecure	View