redfir.dk

Records from scan: 2026-09-08 07:46:09  ·  2137ms total  ·  last checked 2026-10-17 05:16 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redfir.dk is a .dk domain served by 3 nameservers (ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.163 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mailin1.redfir.dk, mailin2.redfir.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   153ms
NameserverIP addressesPTRASN / ISP
ns1.websupport.cz 2a10:bbc0::11
45.10.97.11		 ns1.websupport.eu
ns1.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns2.websupport.cz 185.71.159.12
2a02:250:3::12		 ns2.websupport.eu
ns2.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.
ns3.websupport.eu 2a10:bbc0::13
45.10.97.13		 ns3.websupport.eu
ns3.websupport.eu		 AS25234 ACTIVE 24, s.r.o.
AS25234 ACTIVE 24, s.r.o.

🌍 A Records#

1 records   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.9.175.163 600s ing.r3.websupport.sk AS51013 WebSupport s.r.o. 37.9.168.0/21 🇸🇰 Slovakia —

📧 MX Records#

2 records   187ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mailin1.redfir.dk 37.9.169.112 mail-proxymxphy-6.websupport.sk AS51013 WebSupport s.r.o.
100 600s mailin2.redfir.dk 37.9.169.110 mail-proxymxphy-8.websupport.sk AS51013 WebSupport s.r.o.

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverweb.prod.bts.websupport.sk → 37.9.169.173
🔶 Autoconfigweb.prod.bts.websupport.sk → 37.9.169.172

🔷 AAAA Records (IPv6)#

1 records   233ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:4b40:aaaa:2005::5 600s — AS51013 WebSupport s.r.o. 2a00:4b40:0:0:0:0:0:0/32 🇸🇰 Slovakia —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   592ms
TXT Record
spf2.0/pra a mx include:_sid.websupport.sk ?all
v=spf1 a mx include:_spf.websupport.sk ?all

✉️ SPF#

PolicyRecord (redfir.dk)
?all (neutral) v=spf1 a mx include:_spf.websupport.sk ?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

🧩 Web & zone#

checked 2026-10-09 08:53:46
www37.9.175.163 (AS51013) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ?all

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

167ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1788261825
Primary NS (MNAME)ns1.websupport.cz
Responsible (RNAME)admin@websupport.cz
Refresh7200s
Retry2048s
Expire1048576s
Minimum (neg-cache TTL)2560s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
153ms
A
105ms
MX
187ms
AAAA
233ms
TXT
592ms
CAA
104ms
HTTPS
114ms
TLSA
145ms
SOA
0ms
MTA-STS
148ms
DNSSEC
167ms
SRV
441ms
Total
2137ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-08 07:46:09 shown 2137ms 3 NS 1 A 2 MX 🔓 Insecure
2026-07-04 20:42:08 2538ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-29 05:00:58 1171ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-24 11:29:51 1043ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-17 21:37:35 2814ms 3 NS 1 A 2 MX 🔓 Insecure
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