flex4b.dk

📜 Historical scan 2026-06-17 09:49:38  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

flex4b.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 28 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.163.137.202 is hosted by WIIT AG (AS24961) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   54ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk — — —
ns2.curanet.dk — — —

🌍 A Records#

1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.163.137.202 — — AS24961 WIIT AG 89.163.128.0/17 🇩🇪 Germany —

📧 MX Records#

5 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 64.233.164.27 lf-in-f27.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 108.177.125.26 tp-in-f26.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 173.194.43.26 yudlsqd-in-f26.1e100.net AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records   53ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:4ba0:92c1:49::2 — — AS24961 WIIT AG 2001:4ba0:0:0:0:0:0:0/31 🇩🇪 Germany —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   254ms
TXT Record
v=spf1 a mx ip4:89.163.137.202 ip6:2001:4ba0:92c1:49::2 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (flex4b.dk)
~all (soft fail) v=spf1 a mx ip4:89.163.137.202 ip6:2001:4ba0:92c1:49::2 include:_spf.google.com ~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#

latest probe, not this scan · checked 2026-10-08 00:24:10
www89.163.137.202 2001:4ba0:92c1:49::2 (AS24961) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

139ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

53ms
FieldValue
Serial2021033100
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-19 07:23:02
FieldValue
RegistrarCURANET A/S
Registered2015-11-28
Expires2026-11-30 (42d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
billig-webshop.dkCURANET A/S
everything4web.dkCURANET A/S
heste-og-andre-dyr.dkCURANET A/S
mad-og-drikke.dkCURANET A/S
planteforum.dkCURANET A/S
tech-shop.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
53ms
MX
52ms
AAAA
53ms
TXT
254ms
CAA
50ms
HTTPS
51ms
TLSA
72ms
SOA
53ms
MTA-STS
27ms
DNSSEC
139ms
SRV
0ms
Total
741ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-03 06:57:01 737ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-20 03:23:34 2807ms 2 NS 1 A 5 MX 🔒 Secure
2026-06-17 09:49:38 shown 741ms 2 NS 1 A 5 MX 🔒 Secure
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