nixcore.dk

📜 Historical scan 2026-09-27 14:02:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nixcore.dk is a .dk domain served by 2 nameservers (kirk.ns.cloudflare.com, nancy.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nixcore-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	nixcore-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::28 2a01:111:f403:ca48::12 2a01:111:f403:ca48::e 52.101.185.21 52.101.68.15 52.101.73.120 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00207.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 167ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 00:32:50

www	NXDOMAIN
www vs bare domain	Neither resolves nixcore.dk: no address www.nixcore.dk: no address
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-nixcore-dk._domainkey.nixcore.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-nixcore-dk._domainkey.nixcore.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nixcore.dk	NmO4jnPvI1IRVYZooJUVDhJ4jVwaNm2qk-YSbnXqFRM
TXT	_acme-challenge.nixcore.dk	mc27LHIKuH0xGJtRO1mKkfj7GcMaJtZ-byV3APOzrnI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415985381
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

29ms

39ms

AAAA

38ms

TXT

167ms

CAA

47ms

HTTPS

27ms

TLSA

300ms

SOA

0ms

MTA-STS

53ms

DNSSEC

107ms

SRV

82ms

Total

1385ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:22:08	695ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-28 14:19:58	1007ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-27 14:02:21 shown	1385ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-12 14:21:50	2022ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-04 06:30:39	697ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-31 00:17:26	1387ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-26 12:49:17	26380ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-11 12:13:35	9536ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 16:06:39	2005ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-19 08:00:27	1277ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 05:01:41	1776ms	2 NS 0 A 1 MX	🔓 Insecure