rb2.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
simon.ns.cloudflare.com	108.162.193.232 172.64.33.232 173.245.59.232 2606:4700:58::adf5:3be8 2803:f800:50::6ca2:c1e8 2a06:98c1:50::ac40:21e8	simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com simon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.116.194.180	300s	mail2.t2w.dk	AS31027	GlobalConnect A/S	62.116.192.0/19	🇩🇰 Denmark	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.144.169
🔶 Autoconfig	172.67.144.169

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 289ms

TXT Record
bw=s0eIEK23U3t6kfI7yCJWNZvvchEX1VhDgkuWqJdgRK6b
have-i-been-pwned-verification=dweb_0v8yionakgrbus4v9xq1d3jm
v=spf1 -all

✉️ SPF

Policy	Record (rb2.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.rb2.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports-rua@redbarnet.dk; ruf=mailto:dmarcreports-ruf@redbarnet.dk

📬 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 / DANE

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

🔐 DNSSEC87ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412471751
Primary NS (MNAME)	betty.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

44ms

A

46ms

MX

41ms

AAAA

46ms

TXT

289ms

CAA

56ms

HTTPS

56ms

TLSA

51ms

SOA

0ms

MTA-STS

79ms

DNSSEC

87ms

SRV

81ms

Total

906ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 10:37:51	906ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 04:12:49	1005ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 16:44:48	1064ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 22:24:39	880ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-30 14:00:59	979ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-19 22:13:19	1392ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 11:52:42	1188ms	2 NS 1 A 0 MX	🔒 Secure	View