rbbc.dk DNS records

🖥️ Nameservers2 records 26ms

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 Records1 records 27ms

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 Records1 records 26ms

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 Records1 records 130ms

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

🔗 TLSA / DANE2 records 192ms

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…

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2413077841
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

26ms

A

27ms

MX

26ms

AAAA

29ms

TXT

130ms

CAA

24ms

HTTPS

27ms

TLSA

192ms

SOA

0ms

MTA-STS

44ms

DNSSEC

97ms

SRV

50ms

Total

620ms

🕐 Scan History

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