niekerk.dk DNS records

🖥️ Nameservers2 records 78ms

Nameserver	IP addresses	PTR	ASN / ISP
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
margaret.ns.cloudflare.com	108.162.194.107 162.159.38.107 172.64.34.107 2606:4700:50::a29f:266b 2803:f800:50::6ca2:c26b 2a06:98c1:50::ac40:226b	margaret.ns.cloudflare.com margaret.ns.cloudflare.com margaret.ns.cloudflare.com margaret.ns.cloudflare.com margaret.ns.cloudflare.com margaret.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 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	niekerk-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca09::26 2a01:111:f403:ca09::6 52.101.68.21 52.101.68.29 52.101.68.36 52.101.68.5	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.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 Records1 records 355ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.niekerk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:f152865c@mxtoolbox.dmarc-report.com; ruf=mailto:f152865c@forensics.dmarc-report.com; 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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

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	2411549565
Primary NS (MNAME)	houston.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

78ms

A

74ms

MX

75ms

AAAA

90ms

TXT

355ms

CAA

80ms

HTTPS

77ms

TLSA

312ms

SOA

0ms

MTA-STS

115ms

DNSSEC

98ms

SRV

125ms

Total

1217ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:52:32	1217ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-08 08:11:35	1437ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-05 20:25:40	1865ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-29 18:00:49	2348ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-15 12:25:32	1363ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 16:23:16	2846ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 07:46:58	862ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-06-17 12:05:37	1054ms	2 NS 0 A 1 MX	🔓 Insecure	View