tentaur.dk

📜 Historical scan 2026-06-17 13:34:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tentaur.dk is a .dk domain served by 3 nameservers (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk). It was registered on 29 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.195 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mx10.websupport.sk, mx20.websupport.sk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 99ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.websupport.sk	2a10:bbc0::11 45.10.97.11	ns1.websupport.eu ns1.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns2.websupport.sk	185.71.159.12 2a02:250:3::12	ns2.websupport.eu ns2.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns3.websupport.sk	2a10:bbc0::13 45.10.97.13	ns3.websupport.eu ns3.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.9.175.195	—	ing.r6.websupport.sk	AS51013	WebSupport s.r.o.	37.9.168.0/21	🇸🇰 Slovakia	—

📧 MX Records#

2 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx10.websupport.sk	2a00:4b40:aaaa:2101:45:13:137:110 45.13.137.110	mx10.websupport.sk m1-u6-mx.websupport.sk	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.
100	—	mx20.websupport.sk	2a00:4b40:aaaa:2101:45:13:137:109 45.13.137.109	mx20.websupport.sk m1-u5-mx.websupport.sk	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.

🔷 AAAA Records (IPv6)#

1 records 90ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4b40:aaaa:2009::6	—	—	AS51013	WebSupport s.r.o.	2a00:4b40:0:0:0:0:0:0/32	🇸🇰 Slovakia	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 252ms

TXT Record
v=spf1 a mx include:_spf.m1.websupport.sk -all

✉️ SPF#

Policy	Record (tentaur.dk)
-all (hard fail)	v=spf1 a mx include:_spf.m1.websupport.sk -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 22:23:32

www	37.9.175.195 2a00:4b40:aaaa:2009::6 (AS51013) (address records, no CNAME)
www vs bare domain	Same network tentaur.dk: 37.9.175.195 2a00:4b40:aaaa:2009::6 (AS51013) www.tentaur.dk: 37.9.175.195 2a00:4b40:aaaa:2009::6 (AS51013)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

6 records 263ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx10.websupport.sk	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx10.websupport.sk	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx10.websupport.sk	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…
SMTP _25._tcp.mx20.websupport.sk	DANE-TA · SPKI · SHA-256	0E8BB18BBEEFB381BE21BFC1A206D317…
SMTP _25._tcp.mx20.websupport.sk	DANE-TA · SPKI · SHA-256	6BD9212CE649C659C9CABC6CB60FCFFA…
SMTP _25._tcp.mx20.websupport.sk	DANE-TA · SPKI · SHA-256	C784333D20BCD742B9FDC3236F4E509B…

🔐 DNSSEC#

217ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

64ms

Field	Value
Serial	1759150990
Primary NS (MNAME)	ns1.websupport.sk
Responsible (RNAME)	admin@websupport.sk
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-07 00:18:14

Field	Value
Registrar	Gransy s.r.o.
Registered	2025-09-29
Expires	2027-09-28 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

99ms

63ms

92ms

AAAA

90ms

TXT

252ms

CAA

70ms

HTTPS

95ms

TLSA

263ms

SOA

64ms

MTA-STS

118ms

DNSSEC

217ms

SRV

0ms

Total

2690ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 19:31:50	1485ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-28 15:43:17	4479ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-22 20:25:52	1018ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 03:57:04	5930ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-21 01:34:20	1119ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:34:48 shown	2690ms	3 NS 1 A 2 MX	🔓 Insecure