3fbold.dk

📜 Historical scan 2026-10-03 22:33:57 · ← 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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#

Service	CNAME / IP
🔷 Autodiscover	3fbold.dk → 217.116.234.104
🔶 Autoconfig	3fbold.dk → 217.116.234.104

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2ef9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a98b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.249,172.67.169.139 ech=AEX+DQBBMAAgACAGiZaeDyBKjJx83THIdOazIxWXuKYnrrZzs0Tbi6O8DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

www	104.21.46.249 172.67.169.139 2606:4700:3031::6815:2ef9 2606:4700:3034::ac43:a98b (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3fbold.dk: 104.21.46.249 172.67.169.139 2606:4700:3031::6815:2ef9 2606:4700:3034::ac43:a98b (AS13335) www.3fbold.dk: 104.21.46.249 172.67.169.139 2606:4700:3031::6815:2ef9 2606:4700:3034::ac43:a98b (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.3fbold.dk	3fbold.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	2416497613
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 23:14:20

Field	Value
Registrar	Simply.com A/S
Registered	2017-02-06
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

58ms

53ms

AAAA

36ms

TXT

192ms

CAA

41ms

HTTPS

32ms

TLSA

109ms

SOA

32ms

MTA-STS

86ms

DNSSEC

127ms

SRV

84ms

Total

749ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 07:42:39	391ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 22:33:57 shown	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	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