nikolajbach.dk

📜 Historical scan 2026-06-23 11:56:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nikolajbach.dk is a .dk domain served by 2 nameservers (eoin.ns.cloudflare.com, rihana.ns.cloudflare.com). It was registered on 6 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.151 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. 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 142ms

Nameserver	IP addresses	PTR	ASN / ISP
eoin.ns.cloudflare.com	108.162.195.86 162.159.44.86 172.64.35.86 2606:4700:58::a29f:2c56 2803:f800:50::6ca2:c356 2a06:98c1:50::ac40:2356	eoin.ns.cloudflare.com eoin.ns.cloudflare.com eoin.ns.cloudflare.com eoin.ns.cloudflare.com eoin.ns.cloudflare.com eoin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rihana.ns.cloudflare.com	108.162.192.244 172.64.32.244 173.245.58.244 2606:4700:50::adf5:3af4 2803:f800:50::6ca2:c0f4 2a06:98c1:50::ac40:20f4	rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.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 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.186	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 131ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
46	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
70	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
92	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 169ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:597	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9aba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 132ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.151,172.67.154.186 ech=AEX+DQBBegAgACApHAN+OwKTCjvVn9ANtecpNhggfKXryHHUUY84io3bVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:597,2606:4700:3033::ac43:9aba

📝 TXT Records#

1 records 265ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (nikolajbach.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.nikolajbach.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-08 19:32:53

www	104.21.5.151 172.67.154.186 2606:4700:3030::6815:597 2606:4700:3033::ac43:9aba (AS13335) (address records, no CNAME)
www vs bare domain	Same network nikolajbach.dk: 104.21.5.151 172.67.154.186 2606:4700:3030::6815:597 2606:4700:3033::ac43:9aba (AS13335) www.nikolajbach.dk: 104.21.5.151 172.67.154.186 2606:4700:3030::6815:597 2606:4700:3033::ac43:9aba (AS13335)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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

🔗 TLSA / DANE#

9 records 192ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

200ms

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

🏷️ SOA#

122ms

Field	Value
Serial	2406686678
Primary NS (MNAME)	eoin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 17:06:15

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-06-06
Expires	2027-06-05 (229d)

🔗 Same registrant#

5 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
bogoplevelsen.dk	DANDOMAIN A/S
brewersinc.dk	DANDOMAIN A/S
eco-branding.dk	DANDOMAIN A/S
forlagetnemo.dk	DANDOMAIN A/S
yepti.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

142ms

140ms

131ms

AAAA

169ms

TXT

265ms

CAA

129ms

HTTPS

132ms

TLSA

192ms

SOA

122ms

MTA-STS

137ms

DNSSEC

200ms

SRV

168ms

Total

1583ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 19:32:53	1377ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 16:21:27	704ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 05:50:35	940ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-22 01:43:28	1455ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 23:18:56	3216ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 13:35:40	1322ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 20:40:03	3267ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-03 04:01:28	1165ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-27 15:15:47	1222ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-23 11:56:11 shown	1583ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 11:24:10	1098ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 21:13:12	783ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 18:26:02	13951ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 09:10:05	5455ms	2 NS 2 A 3 MX	🔓 Insecure