nielssp.dk DNS records

🖥️ Nameservers2 records 105ms

Nameserver	IP addresses	PTR	ASN / ISP
hans.ns.cloudflare.com	108.162.193.175 172.64.33.175 173.245.59.175 2606:4700:58::adf5:3baf 2803:f800:50::6ca2:c1af 2a06:98c1:50::ac40:21af	hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ingrid.ns.cloudflare.com	108.162.192.165 172.64.32.165 173.245.58.165 2606:4700:50::adf5:3aa5 2803:f800:50::6ca2:c0a5 2a06:98c1:50::ac40:20a5	ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
149.28.228.225	300s	mail.nielssp.dk	AS20473	The Constant Company, LLC	149.28.128.0/17	🇺🇸 United States	Piscataway

📧 MX Records1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.nielssp.dk	149.28.228.225	mail.nielssp.dk	AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	149.28.228.225
🔶 Autoconfig	149.28.228.225

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 452ms

TXT Record
v=spf1 a:mail.nielssp.dk ip4:149.28.228.225 -all

✉️ SPF

Policy	Record (nielssp.dk)
-all (hard fail)	v=spf1 a:mail.nielssp.dk ip4:149.28.228.225 -all

📨 DMARC

Policy	Record (_dmarc.nielssp.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@nielssp.dk

📬 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
TXT	_acme-challenge.nielssp.dk	H-oJRDqVa45tcjLrLqAk3n2TzJTDGad9wHGz9ExJrJs
TXT	_acme-challenge.nielssp.dk	qiV86CsuUYw_ks-uRpWiYmvsHiISaEiYw4RjDTFhRlM

🔗 TLSA / DANE

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

🔐 DNSSEC375ms

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	2413591822
Primary NS (MNAME)	hans.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

105ms

A

104ms

MX

132ms

AAAA

100ms

TXT

452ms

CAA

88ms

HTTPS

101ms

TLSA

210ms

SOA

0ms

MTA-STS

283ms

DNSSEC

375ms

SRV

159ms

Total

1470ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:50:19	1470ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 13:10:27	1202ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 12:42:21	914ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 13:16:26	1176ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 02:04:06	5498ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 20:10:47	1457ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 16:11:15	2139ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:34:04	2070ms	2 NS 1 A 1 MX	🔓 Insecure	View