katrinanielsen.dk

📜 Historical scan 2026-06-17 23:30:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

katrinanielsen.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 9 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.45 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 154ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 154ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.45	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.156.56	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 153ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	—	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.156.56
🔶 Autoconfig	172.67.156.56

🔷 AAAA Records (IPv6)#

2 records 153ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9c38	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3a2d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 152ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.45,172.67.156.56 ech=AEX+DQBB+gAgACDXo7/7SbY1FdAaP7bfge0cVMs2IPJyyK+rgWhh7CQ0awAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9c38,2606:4700:3034::6815:3a2d

📝 TXT Records#

1 records 257ms

TXT Record
v=spf1 include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (katrinanielsen.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 DMARC#

Policy	Record (_dmarc.katrinanielsen.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 19:21:19

www	104.21.58.45 172.67.156.56 2606:4700:3030::6815:3a2d 2606:4700:3031::ac43:9c38 (AS13335) (address records, no CNAME)
www vs bare domain	Same network katrinanielsen.dk: 104.21.58.45 172.67.156.56 2606:4700:3030::6815:3a2d 2606:4700:3031::ac43:9c38 (AS13335) www.katrinanielsen.dk: 104.21.58.45 172.67.156.56 2606:4700:3030::6815:3a2d 2606:4700:3031::ac43:9c38 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u42085828.wl079.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u42085828.wl079.sendgrid.net	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

272ms

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

🏷️ SOA#

151ms

Field	Value
Serial	2405643982
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 09:37:30

Field	Value
Registrar	CURANET A/S
Registered	2024-07-09
Expires	2027-07-08 (258d)

🔗 Same registrant#

230 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
3-byggetilbud.dk	Punktum dk A/S (direct)
3dbadevaerelse.dk	Punktum dk A/S (direct)
5flyttetilbud.dk	CURANET A/S
aabyggeri.dk	CURANET A/S
acbyg.dk	Punktum dk A/S (direct)
acoustic-solution.dk	Punktum dk A/S (direct)
advokatkobenhavn.dk	CURANET A/S
adwise-media.dk	CURANET A/S
adwiseintern.dk	Punktum dk A/S (direct)
adwisemedia.dk	Punktum dk A/S (direct)
akn-erhvervsgulve.dk	Punktum dk A/S (direct)
akn-gulvtech.dk	Punktum dk A/S (direct)
aksflytteservice.dk	CURANET A/S
akustikvæg.dk	Punktum dk A/S (direct)
albertsmandskabsudlejning.dk	Punktum dk A/S (direct)
altomskonhed.dk	CURANET A/S
ambyg-anlaeg.dk	Punktum dk A/S (direct)
andersenhaandvaerk.dk	CURANET A/S
andersentm.dk	CURANET A/S
anlaegsgarnerfirma.dk	CURANET A/S
anlaegsgartner-esbjerg.dk	CURANET A/S
anwaar.dk	Punktum dk A/S (direct)
ardomalerservice.dk	Punktum dk A/S (direct)
asbesttagentreprisen.dk	CURANET A/S
autohjælp-københavn.dk	Punktum dk A/S (direct)
autoserviceguiden.dk	CURANET A/S
aw-ejendomme.dk	Punktum dk A/S (direct)
awejendomme.dk	Punktum dk A/S (direct)
beauty-style.dk	Punktum dk A/S (direct)
beautymedical.dk	Punktum dk A/S (direct)
bidstrups-auktioner.dk	Punktum dk A/S (direct)
bil-mester.dk	Punktum dk A/S (direct)
bil-univers.dk	Punktum dk A/S (direct)
bolig-for-begyndere.dk	CURANET A/S
borkopmaskinservice.dk	CURANET A/S
brandtogmadsen.dk	CURANET A/S
brdr-ostergaard.dk	Punktum dk A/S (direct)
carpentercuz.dk	Punktum dk A/S (direct)
christianshavnsbehandlerhus.dk	CURANET A/S
clausnoppenau.dk	CURANET A/S
clydolph.dk	Punktum dk A/S (direct)
cosylife.dk	CURANET A/S
dahl-have.dk	CURANET A/S
dannebrog-biler.dk	Punktum dk A/S (direct)
dansktagdaekning.dk	CURANET A/S
dbslys-el.dk	CURANET A/S
dennisauto.dk	Punktum dk A/S (direct)
din-raadgivning.dk	CURANET A/S
din-skonhed.dk	Punktum dk A/S (direct)
din-sundhed-velvaere.dk	Punktum dk A/S (direct)
ditautovaerksted.dk	CURANET A/S
eanlæg.dk	Punktum dk A/S (direct)
ee-ejendomsservice.dk	Punktum dk A/S (direct)
elektrikergreve.dk	Punktum dk A/S (direct)
entreprenoer-mdh.dk	CURANET A/S
entreprenoer-viborg.dk	CURANET A/S
entreprenor-pgj.dk	Punktum dk A/S (direct)
entreprenør-københavn.dk	CURANET A/S
envito.dk	Punktum dk A/S (direct)
epoxy-flakes.dk	CURANET A/S
epoxygulv-danmark.dk	CURANET A/S
epoxyshoppen.dk	Punktum dk A/S (direct)
epoxytech.dk	Punktum dk A/S (direct)
erhvervs-foto.dk	Punktum dk A/S (direct)
erhvervsbrancher.dk	Punktum dk A/S (direct)
etablering-af-kloak.dk	CURANET A/S
etableringafdræn.dk	CURANET A/S
eternittagpris.dk	CURANET A/S
etflyttefirma.dk	CURANET A/S
eventbloggen.dk	Punktum dk A/S (direct)
events-danmark.dk	CURANET A/S
find-anlægsgartner.dk	Punktum dk A/S (direct)
find-vaerksted.dk	CURANET A/S
findmurerfirma.dk	CURANET A/S
fjernelseafolietank.dk	Punktum dk A/S (direct)
flytmail.dk	Punktum dk A/S (direct)
flyttefirma-pris.dk	Punktum dk A/S (direct)
flyttefirma-århus.dk	Punktum dk A/S (direct)
flyttefirmaguide.dk	CURANET A/S
flyttefirmajylland.dk	Punktum dk A/S (direct)
flyttefirmakobenhavn.dk	Punktum dk A/S (direct)
forretnings-animation.dk	Punktum dk A/S (direct)
freelance-mødebooker.dk	Simply.com A/S
fugefirma-koebenhavn.dk	CURANET A/S
fugefirmaerhverv.dk	CURANET A/S
fugemand-viborg.dk	CURANET A/S
fugemandroskilde.dk	CURANET A/S
g-ba.dk	Punktum dk A/S (direct)
god-gulvservice.dk	Punktum dk A/S (direct)
godtgulv.dk	Punktum dk A/S (direct)
green-maler.dk	Punktum dk A/S (direct)
gron-strom.dk	Punktum dk A/S (direct)
handyhenrik.dk	Punktum dk A/S (direct)
harderterapi.dk	CURANET A/S
haslevmultiservice.dk	Punktum dk A/S (direct)
herlevstationkoreskole.dk	Punktum dk A/S (direct)
herlevtrafik.dk	Punktum dk A/S (direct)
hjemmebloggen.dk	Punktum dk A/S (direct)
hn-ent.dk	Punktum dk A/S (direct)
homøopat-maria.dk	Punktum dk A/S (direct)

Showing 100 of 230.

📋 WHOIS#

⏱️ Lookup Timing#

154ms

153ms

AAAA

153ms

TXT

257ms

CAA

150ms

HTTPS

152ms

TLSA

60ms

SOA

151ms

MTA-STS

55ms

DNSSEC

272ms

SRV

517ms

Total

1180ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 09:36:00	9557ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-27 03:12:09	933ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-26 02:56:37	836ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-30 08:58:02	808ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 23:35:12	2720ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 00:08:19	788ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-31 21:16:44	9273ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-01 12:15:02	910ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 00:56:38	1283ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 23:30:19 shown	1180ms	2 NS 2 A 2 MX	🔓 Insecure