nielssp.dk

📜 Historical scan 2026-08-27 12:42:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielssp.dk is a .dk domain served by 2 nameservers (hans.ns.cloudflare.com, ingrid.ns.cloudflare.com). It was registered on 7 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 149.28.228.225 is hosted by The Constant Company, LLC (AS20473) in United States. Mail is handled by mail.nielssp.dk. 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 100ms

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 Records#

1 records 74ms

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 Records#

1 records 124ms

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 Records#

1 records 281ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-09-30 11:13:13

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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.nielssp.dk	Tpcd8RVaCzNP_MhGE-jllb8oqz1ARWI7DklHbYms7T4
TXT	_acme-challenge.nielssp.dk	zsUXLM5QmjytJY4gX_3d51BHNhCMbrUK6TOglwVlNyw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

142ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413003531
Primary NS (MNAME)	hans.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 06:50:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-10-07
Expires	2026-10-31 (12d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
apakoh.dk	Punktum dk A/S (direct)
hvadsigerbo.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

100ms

74ms

124ms

AAAA

104ms

TXT

281ms

CAA

81ms

HTTPS

64ms

TLSA

177ms

SOA

0ms

MTA-STS

156ms

DNSSEC

142ms

SRV

134ms

Total

914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:13:13	579ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 02:18:46	527ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 12:49:49	841ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 12:03:30	694ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 20:32:06	1310ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 17:25:07	2061ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 14:29:57	1770ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 09:41:29	631ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 15:50:19	1470ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 13:10:27	1202ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 12:42:21 shown	914ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 13:16:26	1176ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-21 02:04:06	5498ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-08 20:10:47	1457ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 16:11:15	2139ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:34:04	2070ms	2 NS 1 A 1 MX	🔓 Insecure