3fbold.dk

📜 Historical scan 2026-09-08 02:03:50  ·  ← 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   28ms

🌍 A Records#

2 records   32ms
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   30ms

🔐 HTTPS Records#

1 records   30ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.46.249,172.67.169.139 ech=AEX+DQBBQQAgACCUFTCcLOA5Th3A/vvFwwD7SSzM/qeVneMXxUXKfJBCeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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
TXT _acme-challenge.3fbold.dk BkRIUutVXx8rXZKHIG86Pymw0gpHFHgLVfoyN3IHQdo
TXT _acme-challenge.3fbold.dk OagtEwfUG9LMqY6GXdR9d3QjMJMuVUZNfw3boVbPZGA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414270153
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
28ms
A
32ms
MX
29ms
AAAA
30ms
TXT
147ms
CAA
27ms
HTTPS
30ms
TLSA
57ms
SOA
0ms
MTA-STS
55ms
DNSSEC
107ms
SRV
55ms
Total
520ms

🕐 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 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 shown 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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