tfb.dk
Last scanned: 2026-08-11 21:53:31  ·  2948ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   197ms
NameserverIP addressesPTRASN / ISP
alice.ns.cloudflare.com 108.162.192.60
172.64.32.60
173.245.58.60
2606:4700:50::adf5:3a3c
2803:f800:50::6ca2:c03c
2a06:98c1:50::ac40:203c		 alice.ns.cloudflare.com
alice.ns.cloudflare.com
alice.ns.cloudflare.com
alice.ns.cloudflare.com
alice.ns.cloudflare.com
alice.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
walt.ns.cloudflare.com 108.162.193.148
172.64.33.148
173.245.59.148
2606:4700:58::adf5:3b94
2803:f800:50::6ca2:c194
2a06:98c1:50::ac40:2194		 walt.ns.cloudflare.com
walt.ns.cloudflare.com
walt.ns.cloudflare.com
walt.ns.cloudflare.com
walt.ns.cloudflare.com
walt.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC460ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2411841327
Primary NS (MNAME)alice.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
197ms
A
168ms
MX
221ms
AAAA
226ms
TXT
585ms
CAA
227ms
HTTPS
237ms
TLSA
57ms
SOA
0ms
MTA-STS
267ms
DNSSEC
460ms
SRV
261ms
Total
2948ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 21:53:31 2948ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-10 10:25:07 1244ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-22 20:55:18 3346ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-02 08:23:59 543ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 13:15:34 332ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 13:38:35 1964ms 2 NS 0 A 0 MX 🔓 Insecure View
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