3fbold.dk

📜 Historical scan 2026-09-23 16:16:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3fbold.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 6 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.249 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

🌍 A Records#

2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.46.249 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.169.139 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover3fbold.dk → 217.116.234.104
🔶 Autoconfig3fbold.dk → 217.116.234.104

🔷 AAAA Records (IPv6)#

2 records   36ms

🔐 HTTPS Records#

1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.46.249,172.67.169.139 ech=AEX+DQBBHAAgACDnWMn0+i0V5WmO/VfYupDsp3htBVtCJUyRgIyyLolrVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2ef9,2606:4700:3034::ac43:a98b

📝 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 2026-10-09 07:42:39

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.3fbold.dk 3fbold.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415601849
Primary NS (MNAME)jay.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-03 23:14:20
FieldValue
RegistrarSimply.com A/S
Registered2017-02-06
Expires2027-02-28 (134d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
45ms
MX
40ms
AAAA
36ms
TXT
186ms
CAA
30ms
HTTPS
54ms
TLSA
81ms
SOA
0ms
MTA-STS
54ms
DNSSEC
124ms
SRV
90ms
Total
639ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 07:42:39 391ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-03 22:33:57 749ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 22:14:02 522ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-23 16:16:54 shown 639ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-15 02:49:21 1935ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-08 02:03:50 520ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-03 16:13:26 519ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-31 17:59:08 561ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 13:01:13 772ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 20:31:10 636ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-07 15:16:34 1153ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-20 09:50:57 1348ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 06:03:40 2891ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 12:45:26 2943ms 2 NS 2 A 0 MX 🔓 Insecure
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