tsai-yu.dk

Records from scan: 2026-09-26 07:54:57  ·  738ms total  ·  last checked 2026-10-17 00:38 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tsai-yu.dk is a .dk domain served by 2 nameservers (ns5.kasserver.com, ns6.kasserver.com). It was registered on 27 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.13.133.26 is hosted by Neue Medien Muennich GmbH (AS34788) in Germany. Mail is handled by w006e4d9.kasserver.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   65ms
NameserverIP addressesPTRASN / ISP
ns5.kasserver.com 85.13.128.3 ns5.kasserver.com AS34788 Neue Medien Muennich GmbH
ns6.kasserver.com 85.13.159.101 ns6.kasserver.com AS34788 Neue Medien Muennich GmbH

🌍 A Records#

1 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.13.133.26 7200s dd10236.kasserver.com AS34788 Neue Medien Muennich GmbH 85.13.128.0/18 🇩🇪 Germany —

📧 MX Records#

1 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s w006e4d9.kasserver.com 85.13.133.26 dd10236.kasserver.com AS34788 Neue Medien Muennich GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover85.13.133.26
🔶 Autoconfig85.13.133.26

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   355ms
TXT Record
v=spf1 a mx include:spf.kasserver.com ~all

✉️ SPF#

PolicyRecord (tsai-yu.dk)
~all (soft fail) v=spf1 a mx include:spf.kasserver.com ~all

📨 DMARC#

PolicyRecord (_dmarc.tsai-yu.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#

checked 2026-10-15 20:57:08
www85.13.133.26 (AS34788) (address records, no CNAME)
www vs bare domainSame network
tsai-yu.dk: 85.13.133.26 (AS34788)
www.tsai-yu.dk: 85.13.133.26 (AS34788)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2607220125
Primary NS (MNAME)ns5.kasserver.com
Responsible (RNAME)hostmaster@kasserver.com
Refresh28800s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-13 12:47:38
FieldValue
RegistrarRegistryGate GmbH
Registered2025-07-27
Expires2027-07-26 (282d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
agnetha.dkRegistryGate GmbH
inga-jansen.dkRegistryGate GmbH
📋 WHOIS#

⏱️ Lookup Timing#

NS
65ms
A
54ms
MX
54ms
AAAA
54ms
TXT
355ms
CAA
59ms
HTTPS
67ms
TLSA
120ms
SOA
0ms
MTA-STS
82ms
DNSSEC
92ms
SRV
120ms
Total
738ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 07:54:57 shown 738ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-25 11:21:56 813ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-23 01:36:33 8487ms 2 NS 1 A 1 MX ❓ Unknown
2026-06-22 15:00:43 454ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-22 14:08:57 883ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-18 05:47:10 939ms 2 NS 1 A 1 MX 🔓 Insecure
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