tsuba.dk

📜 Historical scan 2026-06-23 18:44:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tsuba.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.188.210 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.tsuba.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

2 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.7.188.210	43200s	—	AS47292	Sentia Denmark A/S	81.7.176.0/20	🇩🇰 Denmark	Nordhavn

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.tsuba.dk	81.7.188.201	mail-out.cnpdk.net	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	81.7.188.210
🔶 Autoconfig	81.7.188.210

🔷 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 05:52:10

www	81.7.188.210 (AS47292) (address records, no CNAME)
www vs bare domain	Same network tsuba.dk: 81.7.188.210 (AS47292) www.tsuba.dk: 81.7.188.210 (AS47292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

38ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 23:56:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-04-15
Expires	2027-06-30 (253d)

🔗 Same registrant#

6 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).

Domain	Registrar
fitness-concept.dk	Punktum dk A/S (direct)
kamae.dk	Punktum dk A/S (direct)
macha.dk	Punktum dk A/S (direct)
nihon-to.dk	Punktum dk A/S (direct)
smartdeal.dk	Punktum dk A/S (direct)
urasenke.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

85ms

38ms

36ms

AAAA

48ms

TXT

160ms

CAA

53ms

HTTPS

42ms

TLSA

63ms

SOA

38ms

MTA-STS

42ms

DNSSEC

83ms

SRV

117ms

Total

538ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 05:52:09	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 22:05:04	1516ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:19:20	493ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:30:55	600ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 10:55:00	583ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:53:30	524ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 18:44:50 shown	538ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:18:52	710ms	2 NS 1 A 1 MX	🔒 Secure