rbbu.dk

📜 Historical scan 2026-08-28 11:22:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rbbu.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.113 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by rbbu.dk. The zone is not DNSSEC-signed, publishes a 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#

3 records   56ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk 167.235.66.236
2a01:4f8:1c1e:d097::1		 ns5.chosting.dk
ns5.chosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns6.chosting.dk 2001:41d0:305:2100::80e9
51.91.57.33		 ns6.chosting.dk
ns6.chosting.dk		 AS16276 OVH SAS
AS16276 OVH SAS
ns7.chosting.dk 178.20.220.33 ns7.chosting.dk AS21060 Atea A/S

🌍 A Records#

1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.113 14400s server13.chosting.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s rbbu.dk 178.20.216.113
2a01:7cc0:101:ffff::1:11		 server13.chosting.dk
—		 AS21060 Atea A/S
AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover178.20.216.113
🔶 Autoconfig178.20.216.113

🔷 AAAA Records (IPv6)#

1 records   55ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:11 14400s — AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   93ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   257ms
TXT Record
v=spf1 ip4:178.20.216.113 include:spf.chosting.dk ip4:178.20.216.114 +a +mx ~all

✉️ SPF#

PolicyRecord (rbbu.dk)
~all (soft fail) v=spf1 ip4:178.20.216.113 include:spf.chosting.dk ip4:178.20.216.114 +a +mx ~all

📨 DMARC#

PolicyRecord (_dmarc.rbbu.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 03:30:47
www CNAMErbbu.dk (all on rbbu.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rbbu.dk WEm7zRXysxAonKkt_6w1jkBxEow1VWTRMWw2w9OgKHA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026071001
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
45ms
MX
72ms
AAAA
55ms
TXT
257ms
CAA
68ms
HTTPS
62ms
TLSA
127ms
SOA
0ms
MTA-STS
97ms
DNSSEC
107ms
SRV
93ms
Total
945ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 01:32:39 9601ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-14 14:20:21 793ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-28 11:22:46 shown 945ms 3 NS 1 A 1 MX 🔓 Insecure
2026-07-12 14:58:13 2837ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-28 14:06:32 1338ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-23 13:57:39 752ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-17 13:52:24 1545ms 3 NS 1 A 1 MX ⚠️ Bogus
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