sredna.dk
Last scanned: 2026-08-19 13:21:44  ·  4874ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
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   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.162.211.114 600s 80-162-211-114-cable.dk.customer.tdc.net AS3292 TDC Holding A/S 80.160.0.0/13 🇩🇰 Denmark Smorumnedre
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.sredna.dk 2.104.54.179 2-104-54-179-cable.dk.customer.tdc.net AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoversredna.dk → 80.162.211.114
🔶 Autoconfigsredna.dk → 80.162.211.114
🔷 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.sredna.dk sredna.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC79ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA41ms
FieldValue
Serial2026081101
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
35ms
A
50ms
MX
45ms
AAAA
65ms
TXT
202ms
CAA
44ms
HTTPS
35ms
TLSA
64ms
SOA
41ms
MTA-STS
54ms
DNSSEC
79ms
SRV
78ms
Total
4874ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 13:21:44 4874ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 17:52:41 2773ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 14:37:07 712ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 00:47:31 4856ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 22:39:57 728ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 02:32:47 8923ms 2 NS 1 A 1 MX 🔒 Secure View
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