nsfiltration.dk

📜 Historical scan 2026-06-22 03:13:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nsfiltration.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 June 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.5.39.178 is hosted by Bo data ApS (AS49974) in Denmark. Mail is handled by nsfiltration-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 174ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 162ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.5.39.178	3600s	da3.nordicwebdesign.dk	AS49974	Bo data ApS	213.5.32.0/21	🇩🇰 Denmark	Vildbjerg

📧 MX Records#

1 records 309ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	nsfiltration-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::7 52.101.68.32 52.101.68.8 52.101.73.2 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.99.155.232
🔶 Autoconfig	213.5.39.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 546ms

TXT Record
v=spf1 ptr:da3.nordicwebdesign.dk mx:da3.nordicwebdesign.dk a:smtp.eero.dk ip4:213.5.39.178 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (nsfiltration.dk)
-all (hard fail)	v=spf1 ptr:da3.nordicwebdesign.dk mx:da3.nordicwebdesign.dk a:smtp.eero.dk ip4:213.5.39.178 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.nsfiltration.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-07 17:49:02

www	213.5.39.178 (AS49974) (address records, no CNAME)
www vs bare domain	Same network nsfiltration.dk: 213.5.39.178 (AS49974) www.nsfiltration.dk: 213.5.39.178 (AS49974)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u115402490.wl241.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u115402490.wl241.sendgrid.net	RSA · ~2048 bit
selector1	selector1-nsfiltration-dk._domainkey.nsfiltration.onmicrosoft.com	RSA · ~1024 bit below 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: 4/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

457ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

170ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-25 08:15:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-06-25
Expires	2027-06-30 (247d)

🔗 Same registrant#

32 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
ajs-byg.dk	Punktum dk A/S (direct)
allegårdens-frisør.dk	Punktum dk A/S (direct)
amhs.dk	Punktum dk A/S (direct)
bilsynsøborg.dk	Punktum dk A/S (direct)
christelseiero.dk	Punktum dk A/S (direct)
christelseierø.dk	Punktum dk A/S (direct)
cph-fliserens.dk	Punktum dk A/S (direct)
dmtagservice.dk	Punktum dk A/S (direct)
ffe-hovedstaden.dk	Punktum dk A/S (direct)
h-fb.dk	Punktum dk A/S (direct)
happyauto.dk	Punktum dk A/S (direct)
hedenauto.dk	Punktum dk A/S (direct)
hfhusumhave.dk	Punktum dk A/S (direct)
hoejbyklinikken.dk	Punktum dk A/S (direct)
huginresearch.dk	Punktum dk A/S (direct)
kenneths-gulvservice.dk	Punktum dk A/S (direct)
kir-klinik.dk	Punktum dk A/S (direct)
kirurg-charlottenlund.dk	Punktum dk A/S (direct)
laraservice.dk	Punktum dk A/S (direct)
malerwejlgaard.dk	Punktum dk A/S (direct)
mesterweb.dk	Punktum dk A/S (direct)
nfhusumhave.dk	Punktum dk A/S (direct)
nordic-webdesign.dk	Punktum dk A/S (direct)
nordicwebdesign.dk	Punktum dk A/S (direct)
nordiskwebdesign.dk	Punktum dk A/S (direct)
privatneurologi.dk	Punktum dk A/S (direct)
soegaardenejendomme.dk	Punktum dk A/S (direct)
stevnsmiljoservice.dk	Punktum dk A/S (direct)
studiohendryhamm.dk	Punktum dk A/S (direct)
thuesenogsonner-entreprise.dk	Punktum dk A/S (direct)
tomrermester-larsgade.dk	Punktum dk A/S (direct)
tse-aps.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

174ms

162ms

309ms

AAAA

312ms

TXT

546ms

CAA

230ms

HTTPS

297ms

TLSA

320ms

SOA

170ms

MTA-STS

306ms

DNSSEC

457ms

SRV

373ms

Total

2399ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 13:14:44	609ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:14:56	1334ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 05:41:24	1291ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 03:13:17 shown	2399ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 18:42:17	924ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:01:23	2445ms	2 NS 1 A 1 MX	🔒 Secure