fbnielsen.dk

Records from scan: 2026-10-17 21:16:34 · 1289ms total · last checked 2026-10-18 21:39 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fbnielsen.dk is a .dk domain served by 2 nameservers (darwin.ns.cloudflare.com, heather.ns.cloudflare.com). It was registered on 24 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.178.25 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.tutanota.de. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	108.162.193.151 172.64.33.151 173.245.59.151 2606:4700:58::adf5:3b97 2803:f800:50::6ca2:c197 2a06:98c1:50::ac40:2197	darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
heather.ns.cloudflare.com	108.162.192.161 172.64.32.161 173.245.58.161 2606:4700:50::adf5:3aa1 2803:f800:50::6ca2:c0a1 2a06:98c1:50::ac40:20a1	heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.178.25	300s	212-237-178-25.static.kviknet.net	AS204151	EWII Bredbaand A/S	212.237.176.0/21	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.tutanota.de	185.205.69.211 185.205.69.213 185.205.69.214	mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de	AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 178ms

TXT Record
v=spf1 ip4:212.237.178.25 include:pm1.fbnielsen.dk include:spf.tutanota.de -all

✉️ SPF#

Policy	Record (fbnielsen.dk)
-all (hard fail)	v=spf1 ip4:212.237.178.25 include:pm1.fbnielsen.dk include:spf.tutanota.de -all

📨 DMARC#

Policy	Record (_dmarc.fbnielsen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:fbnielsen1959@gmail.com;

📬 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 2026-10-17 21:16:34

www CNAME	fbnielsen.dk (all on fbnielsen.dk) → 212.237.178.25 (AS204151)
www vs bare domain	Same network fbnielsen.dk: 212.237.178.25 (AS204151) www.fbnielsen.dk: 212.237.178.25 (AS204151)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

error include:pm1.fbnielsen.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fbnielsen.dk	aZ7TvYwJ9Jbca6smZEkDDdywDO5DctM4V2S4tZ1IzCc
TXT	_acme-challenge.fbnielsen.dk	s76Mtnffg6Z9t5iFNQa7aFr9PDk4isuQdY92QqwZwWk

🔗 TLSA / DANE#

2 records 469ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.tutanota.de	DANE-EE · SPKI · SHA-256	5AE0D6DC8A713441003F578C5A1D4D70…
SMTP _25._tcp.mail.tutanota.de	DANE-EE · Full cert · SHA-256	D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

122ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2417724269
Primary NS (MNAME)	darwin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 20:51:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-08-24
Expires	2027-08-31 (316d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

34ms

36ms

43ms

AAAA

33ms

TXT

178ms

CAA

37ms

HTTPS

43ms

TLSA

469ms

SOA

34ms

MTA-STS

54ms

DNSSEC

122ms

SRV

64ms

Total

1289ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 21:16:34 shown	1289ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-16 20:16:14	1943ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 01:54:28	788ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 22:43:07	890ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:02:05	785ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 19:23:21	662ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 11:14:18	743ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 18:21:01	677ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 02:25:49	988ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:38:09	1067ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-23 04:07:06	1460ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 03:31:18	1754ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-17 22:20:06	1067ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 04:11:41	1088ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-29 14:25:32	10560ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 20:43:37	17582ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 20:04:00	1201ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 00:20:44	1285ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 12:50:03	1230ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 14:11:33	1000ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:32:35	1776ms	2 NS 1 A 1 MX	🔓 Insecure