tentaur.dk

Records from scan: 2026-09-25 19:31:50 · 1485ms total · last checked 2026-10-17 09:51 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 29ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.9.175.195	600s	ing.r6.websupport.sk	AS51013	WebSupport s.r.o.	37.9.168.0/21	🇸🇰 Slovakia	—

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx10.websupport.sk	2a00:4b40:aaaa:2101:45:13:137:109 2a00:4b40:aaaa:2101:45:13:137:110 2a00:4b40:aaaa:2101:45:13:137:111 2a00:4b40:aaaa:2101:45:13:137:78 2a00:4b40:aaaa:2101:45:13:137:79 45.13.137.109 45.13.137.110 45.13.137.111 45.13.137.78 45.13.137.79	m1-u5-mx.websupport.sk m1-u6-mx.websupport.sk m1-u7-mx.websupport.sk m1-u8-mx.websupport.sk m1-u9-mx.websupport.sk m1-u5-mx.websupport.sk m1-u6-mx.websupport.sk m1-u7-mx.websupport.sk m1-u8-mx.websupport.sk m1-u9-mx.websupport.sk	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.
100	600s	mx20.websupport.sk	2a00:4b40:aaaa:2101:45:13:137:109 2a00:4b40:aaaa:2101:45:13:137:110 2a00:4b40:aaaa:2101:45:13:137:111 2a00:4b40:aaaa:2101:45:13:137:78 2a00:4b40:aaaa:2101:45:13:137:79 45.13.137.109 45.13.137.110 45.13.137.111 45.13.137.78 45.13.137.79	m1-u5-mx.websupport.sk m1-u6-mx.websupport.sk m1-u7-mx.websupport.sk m1-u8-mx.websupport.sk m1-u9-mx.websupport.sk m1-u5-mx.websupport.sk m1-u6-mx.websupport.sk m1-u7-mx.websupport.sk m1-u8-mx.websupport.sk m1-u9-mx.websupport.sk	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	web.prod.bts.websupport.sk → 37.9.169.173
🔶 Autoconfig	web.prod.bts.websupport.sk → 37.9.169.171

🔷 AAAA Records (IPv6)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4b40:aaaa:2009::6	600s	—	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

🔌 SRV Records#

1 records 119ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	web.prod.bts.websupport.sk

📝 TXT Records#

1 records 309ms

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#

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 552ms

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#

78ms

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

🏷️ SOA#

0ms

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 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

42ms

43ms

AAAA

46ms

TXT

309ms

CAA

52ms

HTTPS

46ms

TLSA

552ms

SOA

0ms

MTA-STS

81ms

DNSSEC

78ms

SRV

119ms

Total

1485ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 19:31:50 shown	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	2690ms	3 NS 1 A 2 MX	🔓 Insecure