3bo.dk

📜 Historical scan 2026-08-17 17:35:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3bo.dk is a .dk domain served by 2 nameservers (cody.ns.cloudflare.com, crystal.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.158 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
cody.ns.cloudflare.com	108.162.193.107 172.64.33.107 173.245.59.107 2606:4700:58::adf5:3b6b 2803:f800:50::6ca2:c16b 2a06:98c1:50::ac40:216b	cody.ns.cloudflare.com cody.ns.cloudflare.com cody.ns.cloudflare.com cody.ns.cloudflare.com cody.ns.cloudflare.com cody.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
crystal.ns.cloudflare.com	108.162.194.202 162.159.38.202 172.64.34.202 2606:4700:50::a29f:26ca 2803:f800:50::6ca2:c2ca 2a06:98c1:50::ac40:22ca	crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.47.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.224	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:94e0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2f9e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.158,172.67.148.224 ech=AEX+DQBB7QAgACCtn7wBSYETMvQeKSKuhY1k0Mo9x6K1D94JlBVzUecvLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:94e0,2606:4700:3037::6815:2f9e

📝 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.3bo.dk	EwsBtc6H8mzQtPO3V4HmZXJBhQCPaoV0QnpisZujw6k
TXT	_acme-challenge.3bo.dk	oZ_VuZV0keOo9JugC2tuijWuKfh3JZKU_YHjNP5GFJQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412446828
Primary NS (MNAME)	cody.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

53ms

50ms

AAAA

52ms

TXT

210ms

CAA

57ms

HTTPS

59ms

TLSA

72ms

SOA

0ms

MTA-STS

77ms

DNSSEC

98ms

SRV

66ms

Total

1130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-18 05:11:36	636ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 05:11:22	3193ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-17 17:35:05 shown	1130ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 12:55:44	1539ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-30 17:33:37	795ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:37:36	505ms	2 NS 2 A 0 MX	🔓 Insecure