flensburg.dk
Last scanned: 2026-08-12 03:20:08  ·  957ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   76ms
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   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.flensburg.dk 87.61.83.203 0x573d53cb.static.cust.fastspeed.dk AS3292 TDC Holding A/S
20 600s backup-mx.post.tele.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   179ms
TXT Record
v=spf1 a:flensburg.dk ip4:87.61.83.203 ?all
Ved misbrug, kontakt venligst Peter[@]flensburg.dk
✉️ SPF
PolicyRecord (flensburg.dk)
?all (neutral) v=spf1 a:flensburg.dk ip4:87.61.83.203 ?all
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
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
76ms
A
38ms
MX
53ms
AAAA
44ms
TXT
179ms
CAA
42ms
HTTPS
41ms
TLSA
77ms
SOA
0ms
MTA-STS
89ms
DNSSEC
102ms
SRV
80ms
Total
957ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 03:20:08 957ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-18 09:12:43 9129ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-13 12:44:55 1011ms 2 NS 0 A 2 MX 🔒 Secure View
2026-07-01 12:25:41 791ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-29 00:33:03 1432ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-28 03:58:58 1595ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-25 00:32:34 625ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-21 23:23:43 8995ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-21 10:30:19 1171ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:28:54 587ms 2 NS 0 A 2 MX 🔒 Secure View
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