fbnielsen.dk

📜 Historical scan 2026-08-20 03:31:18  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   82ms
NameserverIP addressesPTRASN / 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   83ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.178.25 300s 212-237-178-25.static.kviknet.net AS204151 EWII Bredbaand A/S 212.237.176.0/21 🇩🇰 Denmark Frederikssund

📧 MX Records#

1 records   82ms
PriorityTTLMail ServerIP addressesPTRASN
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   314ms
TXT Record
v=spf1 ip4:212.237.178.25 include:pm1.fbnielsen.dk include:spf.tutanota.de -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

latest probe, not this scan · checked 2026-10-17 21:16:34
www CNAMEfbnielsen.dk (all on fbnielsen.dk)
www vs bare domainSame network
fbnielsen.dk: 212.237.178.25 (AS204151)
www.fbnielsen.dk: 212.237.178.25 (AS204151)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: 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#

TypeNameValue
TXT _acme-challenge.fbnielsen.dk 3xosFPdMW157sFtYSKDKVYhA1YWklTTaWHU_VpxCDcE
TXT _acme-challenge.fbnielsen.dk 5qRv32A-t0TGCrJEVO1tpxGP4C4bfRI8XXXjF0Y9uqU

🔗 TLSA / DANE#

1 records   120ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

223ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412602369
Primary NS (MNAME)darwin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 20:51:33
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-08-24
Expires2027-08-31 (315d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
digisoft.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
82ms
A
83ms
MX
82ms
AAAA
82ms
TXT
314ms
CAA
77ms
HTTPS
126ms
TLSA
120ms
SOA
0ms
MTA-STS
110ms
DNSSEC
223ms
SRV
106ms
Total
1754ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 21:16:34 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 shown 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
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