3fbold.dk

📜 Historical scan 2026-09-15 02:49:21  ·  ← 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   107ms

🌍 A Records#

2 records   119ms
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   118ms

🔐 HTTPS Records#

1 records   116ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.46.249,172.67.169.139 ech=AEX+DQBBbwAgACCUju9HD7ooYiI/3ezo3qlQlp+Nhq11z8cRhEvPItDjSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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 ZjwfBRShv_mgHFkn_RIyjfxBUwZ1SWlr5iHPrgJpqhg
TXT _acme-challenge.3fbold.dk t3YSR2-97OoYeeAGT6lU2IN0DMrqJ1J3aAjJpyJ2204

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414789016
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
107ms
A
119ms
MX
112ms
AAAA
118ms
TXT
244ms
CAA
121ms
HTTPS
116ms
TLSA
424ms
SOA
0ms
MTA-STS
102ms
DNSSEC
172ms
SRV
130ms
Total
1935ms

🕐 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 shown 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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