refero.dk
Last scanned: 2026-08-26 12:08:18  ·  9607ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
NameserverIP addressesPTRASN / ISP
dns01.dipcon.com 193.14.90.50
2a00:801:fb:253::4		 dns01.dipcon.com
dns01.dipcon.com		 AS1257 Tele2 SWIPnet
AS1257 Tele2 SWIPnet
dns02.ports.se 2001:19f0:5001:2a:5400:ff:fe38:1e6f
45.63.42.179		 dns02.ports.se
dns02.ports.se		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
dns03.ports.se 2a04:3540:1000:310:287e:f6ff:fe1d:4789
94.237.33.102		 dns03.ports.se
dns03.ports.se		 AS202053 UpCloud Ltd
AS202053 UpCloud Ltd
dns04.ports.net 158.255.211.116
2a03:f80:ed15:3ec8::1		 dns04.ports.net
dns04.ports.net		 AS57169 EDIS GmbH
AS57169 EDIS GmbH
🌍 A Records1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.14.90.203 600s redirect.portsit.se AS1257 Tele2 SWIPnet 193.12.0.0/14 🇸🇪 Sweden Malmö
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   386ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (refero.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.refero.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarcreports@stenametall.com; ruf=mailto:dmarcforensicreports@stenametall.com
📬 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)
🔐 DNSSEC9102ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024062500
Primary NS (MNAME)dns01.dipcon.com
Responsible (RNAME)registry@ports.net
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
53ms
MX
46ms
AAAA
41ms
TXT
386ms
CAA
54ms
HTTPS
38ms
TLSA
105ms
SOA
0ms
MTA-STS
123ms
DNSSEC
9102ms
SRV
345ms
Total
9607ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:08:18 9607ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 01:34:04 1489ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-23 07:52:44 742ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-23 07:14:19 934ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 21:13:00 775ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 09:10:14 918ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 12:12:15 568ms 4 NS 1 A 0 MX 🔓 Insecure View
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