b2bcloud.dk
📜 Historical scan 2026-08-27 14:31:55  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records2 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.67.88 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.219.34 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.67.219.34
🔶 Autoconfig104.21.67.88
🔷 AAAA Records (IPv6)2 records   37ms
🔐 HTTPS Records1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.67.88,172.67.219.34 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:db22,2606:4700:3033::6815:4358
📝 TXT Records1 records   177ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (b2bcloud.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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.b2bcloud.dk CKG7qw3ffQORmUk15M9kurOLS0SDQzn3hjPaRExiOn4
TXT _acme-challenge.b2bcloud.dk tRYB-xywnj5GB2zdFRjm3CkRutEaukMwMGIehrNj5Wg
🔗 TLSA / DANE2 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413284012
Primary NS (MNAME)kelly.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
31ms
MX
33ms
AAAA
37ms
TXT
177ms
CAA
28ms
HTTPS
29ms
TLSA
56ms
SOA
0ms
MTA-STS
76ms
DNSSEC
103ms
SRV
78ms
Total
1066ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 01:42:58 1325ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-27 18:26:48 903ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-27 14:31:55 1066ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-25 04:53:29 2592ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-22 05:20:36 1672ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-27 07:15:33 834ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-25 14:25:30 997ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-23 19:47:38 3100ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-21 09:24:21 537ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 08:52:06 9402ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 13:57:05 808ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone