nikolajbach.dk

Records from scan: 2026-10-08 19:32:53 · 1377ms total · last checked 2026-10-17 07:47 (unchanged)

⬇ 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 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

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 41ms

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 56ms

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 34ms

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 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.151,172.67.154.186 ech=AEX+DQBB/AAgACBX91mk+15TbOlNn/98T2qnHuVJeWH+EnpgJX1uEGM+fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:597,2606:4700:3033::ac43:9aba

📝 TXT Records#

1 records 172ms

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#

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 129ms

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

🔐 DNSSEC#

129ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2416888065
Primary NS (MNAME)	eoin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

41ms

56ms

AAAA

34ms

TXT

172ms

CAA

54ms

HTTPS

37ms

TLSA

129ms

SOA

48ms

MTA-STS

63ms

DNSSEC

129ms

SRV

65ms

Total

1377ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 19:32:53 shown	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	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