filter4u.dk
Last scanned: 2026-08-30 02:53:34  ·  874ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
NameserverIP addressesPTRASN / ISP
ns01.no.brand.one.com 195.206.121.12
2001:67c:28cc::12		 ns01.no.brand.one.com
ns01.no.brand.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.no.brand.one.com 185.10.11.12
2001:67c:3c0::12		 ns02.no.brand.one.com
ns02.no.brand.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.249.227.109 10800s — AS51468 One.com A/S 5.249.224.0/19 🇳🇴 Norway Oslo
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigmailconfig.mailadmin.no
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   62ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 0 443 autodiscover.mailadmin.no
📝 TXT Records1 records   124ms
TXT Record
v=spf1 include:_spf.fastname.no ~all
✉️ SPF
PolicyRecord (filter4u.dk)
~all (soft fail) v=spf1 include:_spf.fastname.no ~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)
🔐 DNSSEC101ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082801
Primary NS (MNAME)ns01.no.brand.one.com
Responsible (RNAME)hostmaster@no.brand.one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
28ms
A
32ms
MX
34ms
AAAA
30ms
TXT
124ms
CAA
32ms
HTTPS
32ms
TLSA
483ms
SOA
0ms
MTA-STS
44ms
DNSSEC
101ms
SRV
62ms
Total
874ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 02:53:34 874ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-27 10:39:03 762ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-25 15:04:28 9487ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-20 15:35:18 4663ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 18:14:38 930ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 09:25:15 549ms 2 NS 1 A 0 MX 🔓 Insecure View
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