rbbc.dk

📜 Historical scan 2026-09-20 06:52:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rbbc.dk is a .dk domain served by 2 nameservers (alexa.ns.cloudflare.com, jermaine.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.20.91 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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

Nameserver	IP addresses	PTR	ASN / ISP
alexa.ns.cloudflare.com	108.162.194.215 162.159.38.215 172.64.34.215 2606:4700:50::a29f:26d7 2803:f800:50::6ca2:c2d7 2a06:98c1:50::ac40:22d7	alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.20.91	300s	static.91.20.76.144.clients.your-server.de	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (rbbc.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 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 2026-10-08 14:51:28

www	144.76.20.91 (AS24940) (address records, no CNAME)
www vs bare domain	Same network rbbc.dk: 144.76.20.91 (AS24940) www.rbbc.dk: 144.76.20.91 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rbbc.dk	CzQE5_I3L0sUzaYZNZwospk_p0BcPESQQYyvuHrupJ4
TXT	_acme-challenge.rbbc.dk	pcsN8UMeVHsSUVvVZ1N-nciCwhwzsV2dsZOIBSfNWh8

🔗 TLSA / DANE#

2 records 49ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

115ms

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	2415296244
Primary NS (MNAME)	alexa.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#

41ms

34ms

30ms

AAAA

36ms

TXT

168ms

CAA

32ms

HTTPS

28ms

TLSA

49ms

SOA

0ms

MTA-STS

55ms

DNSSEC

115ms

SRV

56ms

Total

611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:43:03	2088ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 09:57:30	2837ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 06:52:48 shown	611ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 04:19:12	1501ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 00:26:14	620ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 13:19:37	1046ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 03:12:15	25018ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-10 23:36:01	1967ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 01:13:06	714ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 13:22:19	855ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 23:04:33	464ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 03:44:34	3923ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:38:30	2337ms	2 NS 1 A 1 MX	🔓 Insecure