clusterfuck.dk
Last scanned: 2026-08-29 02:51:37  ·  1283ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
NameserverIP addressesPTRASN / ISP
bingo.ns.cloudflare.com 108.162.194.36
162.159.38.36
172.64.34.36
2606:4700:50::a29f:2624
2803:f800:50::6ca2:c224
2a06:98c1:50::ac40:2224		 bingo.ns.cloudflare.com
bingo.ns.cloudflare.com
bingo.ns.cloudflare.com
bingo.ns.cloudflare.com
bingo.ns.cloudflare.com
bingo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
mcgrory.ns.cloudflare.com 108.162.195.170
162.159.44.170
172.64.35.170
2606:4700:58::a29f:2caa
2803:f800:50::6ca2:c3aa
2a06:98c1:50::ac40:23aa		 mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.ns.cloudflare.com
mcgrory.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 Records1 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.tutanota.de 185.205.69.211
185.205.69.213
185.205.69.214		 mail.w11.tutanota.de
mail.w13.tutanota.de
mail.w14.tutanota.de		 AS210909 Tutao GmbH
AS210909 Tutao GmbH
AS210909 Tutao GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   144ms
TXT Record
t-verify=08989861298e0386b27cfcd7eb647c0f
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (clusterfuck.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.clusterfuck.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS373ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.tutanota.de
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE1 records   139ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2413380225
Primary NS (MNAME)bingo.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
36ms
A
27ms
MX
27ms
AAAA
29ms
TXT
144ms
CAA
28ms
HTTPS
27ms
TLSA
139ms
SOA
0ms
MTA-STS
373ms
DNSSEC
113ms
SRV
65ms
Total
1283ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 02:51:37 1283ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-26 15:25:06 1536ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-07 04:42:42 1489ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-10 16:13:00 2066ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-01 23:02:16 5353ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-20 12:34:33 764ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 21:25:25 672ms 2 NS 0 A 1 MX 🔒 Secure View
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