fdnrsb.dk

📜 Historical scan 2026-09-28 09:39:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fdnrsb.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, treasure.ns.cloudflare.com). It was registered on 24 September 2026 (WHOIS) and first appeared in the .dk zone on 25 September 2026. Its website address 104.21.80.173 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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   41ms
NameserverIP addressesPTRASN / ISP
lewis.ns.cloudflare.com 108.162.195.159
162.159.44.159
172.64.35.159
2606:4700:58::a29f:2c9f
2803:f800:50::6ca2:c39f
2a06:98c1:50::ac40:239f		 lewis.ns.cloudflare.com
lewis.ns.cloudflare.com
lewis.ns.cloudflare.com
lewis.ns.cloudflare.com
lewis.ns.cloudflare.com
lewis.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
treasure.ns.cloudflare.com 108.162.194.116
162.159.38.116
172.64.34.116
2606:4700:50::a29f:2674
2803:f800:50::6ca2:c274
2a06:98c1:50::ac40:2274		 treasure.ns.cloudflare.com
treasure.ns.cloudflare.com
treasure.ns.cloudflare.com
treasure.ns.cloudflare.com
treasure.ns.cloudflare.com
treasure.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
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.80.173 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.152.113 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   39ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:50ad 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:9871 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.80.173,172.67.152.113 ech=AEX+DQBBJQAgACD7m31VA8ob8ZUlUib8DboziaIYl/FuNe7MU3wgD1JFEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:50ad,2606:4700:3037::ac43:9871

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 03:15:48
www104.21.6.183 172.67.155.43 2606:4700:3033::6815:6b7 2606:4700:3034::ac43:9b2b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.fdnrsb.dk pbfEFOV8G9MoiYiFvzLvy9MC1Rw34lQ-sLQFNsyRiN4
TXT _acme-challenge.fdnrsb.dk r6fK0jBZLim-SiNWw8roExLmRzVGl6U3gn9njTV3zFc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2416004315
Primary NS (MNAME)lewis.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 03:35:08
FieldValue
RegistrarDynadot LLC
Registered2026-09-24
Expires2027-09-23 (341d)

🔗 Same registrant#

30 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).

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📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
41ms
MX
42ms
AAAA
39ms
TXT
170ms
CAA
33ms
HTTPS
46ms
TLSA
50ms
SOA
0ms
MTA-STS
66ms
DNSSEC
114ms
SRV
63ms
Total
620ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 03:15:48 2472ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 20:33:06 664ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 10:01:57 622ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-28 09:39:28 shown 620ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 09:13:47 577ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-26 09:04:42 552ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 08:51:34 1436ms 2 NS 0 A 0 MX 🔓 Insecure
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