tbvvs.dk
Last scanned: 2026-08-18 19:27:55  ·  4816ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   315ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   307ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.213 3600s webcluster1.webpod18-cph3.g1i.one AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   315ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)1 records   262ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:108:a8:1c50:34ab:c649 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   807ms
TXT Record
v=spf1 include:_spf.simply.com -all
v=spf1 include:spf.simply.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (tbvvs.dk)
-all (hard fail) v=spf1 include:_spf.simply.com -all
-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   519ms
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…
🔐 DNSSEC482ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081805
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
315ms
A
307ms
MX
315ms
AAAA
262ms
TXT
807ms
CAA
285ms
HTTPS
267ms
TLSA
519ms
SOA
0ms
MTA-STS
413ms
DNSSEC
482ms
SRV
333ms
Total
4816ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 19:27:55 4816ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-15 02:50:52 4674ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-03 00:58:42 607ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 12:50:31 2530ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 09:12:52 2839ms 2 NS 1 A 1 MX 🔓 Insecure View
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