tzen.dk
Last scanned: 2026-09-02 10:13:38  ·  776ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
NameserverIP addressesPTRASN / 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 Records2 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
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 Records1 records   170ms
TXT Record
v=spf1 a mx include:spf.migadu.com ~all
✉️ SPF
PolicyRecord (tzen.dk)
~all (soft fail) v=spf1 a mx include:spf.migadu.com ~all
📨 DMARC
PolicyRecord (_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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
38ms
MX
45ms
AAAA
42ms
TXT
170ms
CAA
37ms
HTTPS
47ms
TLSA
174ms
SOA
0ms
MTA-STS
57ms
DNSSEC
85ms
SRV
58ms
Total
776ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 10:13:38 776ms 2 NS 0 A 2 MX 🔒 Secure View
2026-08-12 13:18:23 1368ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-19 17:39:58 10847ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-14 17:20:51 10118ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-24 13:21:36 821ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-17 21:07:39 757ms 2 NS 0 A 2 MX 🔒 Secure View
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