bytz.dk
Last scanned: 2026-08-30 07:31:27  ·  1642ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   107ms
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 Records1 records   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
92.204.48.76 43200s server17.aspnethotel.dk AS8972 Host Europe GmbH 92.204.48.0/22 🇫🇷 France Strasbourg
📧 MX Records1 records   104ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.bytz.dk 92.204.48.231 server18.aspnethotel.dk AS8972 Host Europe GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   355ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (bytz.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.bytz.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC288ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082903
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
107ms
A
99ms
MX
104ms
AAAA
66ms
TXT
355ms
CAA
118ms
HTTPS
99ms
TLSA
415ms
SOA
0ms
MTA-STS
186ms
DNSSEC
288ms
SRV
124ms
Total
1642ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 07:31:27 1642ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 19:51:08 527ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 21:40:38 4730ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 12:59:25 2824ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 05:08:52 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 19:13:30 2346ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:42:06 1509ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:30:35 506ms 2 NS 1 A 1 MX 🔒 Secure View
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