tzen.dk

Records from scan: 2026-10-12 23:21:41 · 766ms total · last checked 2026-10-21 22:30 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tzen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.com. The zone is DNSSEC-signed and validates, 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 36ms

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#

🌍

No A records found

📧 MX Records#

2 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	43200s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 141ms

TXT Record
v=spf1 a mx include:spf.migadu.com ~all

✉️ SPF#

Policy	Record (tzen.dk)
~all (soft fail)	v=spf1 a mx include:spf.migadu.com ~all

📨 DMARC#

Policy	Record (_dmarc.tzen.dk)
p=none (monitor only)	v=DMARC1; p=none; fo=1; rua=mailto:admin@tzen.dk

📬 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 2026-10-12 23:21:41

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves tzen.dk: no address www.tzen.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

28ms

Field	Value
Serial	2026101201
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 2026-10-16 19:23:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-01-02
Expires	2031-01-31 (1562d)

🔗 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).

Domain	Registrar
ekvh.dk	Punktum dk A/S (direct)
mfkh.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

34ms

26ms

AAAA

35ms

TXT

141ms

CAA

30ms

HTTPS

38ms

TLSA

267ms

SOA

28ms

MTA-STS

42ms

DNSSEC

64ms

SRV

44ms

Total

766ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:21:41 shown	766ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-09 12:24:48	1318ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-28 05:42:52	769ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-18 07:30:09	1223ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-02 10:13:38	776ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-12 13:18:23	1368ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-19 17:39:58	10847ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-14 17:20:51	10118ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-24 13:21:36	821ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-17 21:07:39	757ms	2 NS 0 A 2 MX	🔒 Secure