skweb.dk

📜 Historical scan 2026-09-23 17:21:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skweb.dk is a .dk domain served by 2 nameservers (dale.ns.cloudflare.com, sloan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.4 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by server14.chosting.dk. The zone is not DNSSEC-signed, publishes a 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   26ms

🌍 A Records#

2 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.40.4 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.172.217 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   29ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfig104.21.40.4

🔷 AAAA Records (IPv6)#

2 records   35ms

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.40.4,172.67.172.217 ech=AEX+DQBBQAAgACAI/1e1Q531ZDlPMFVy7wBqyvPVI7ekYCRyE+4JDY7ZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2804,2606:4700:3036::ac43:acd9

📝 TXT Records#

3 records   172ms
TXT Record
sendinblue-code:672771262f6a9ea68ee25dfba7c211ca
v=spf1 +ip4:89.34.18.137 +include:spf.sendinblue.com +include:spf.chosting.dk +mx ~all
v=spf1 include:spf.sendinblue.com include:spf.chosting.dk mx ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (skweb.dk)
~all (soft fail) v=spf1 +ip4:89.34.18.137 +include:spf.sendinblue.com +include:spf.chosting.dk +mx ~all
~all (soft fail) v=spf1 include:spf.sendinblue.com include:spf.chosting.dk mx ~all

📨 DMARC#

PolicyRecord (_dmarc.skweb.dk)
p=none (monitor only) v=DMARC1; p=none; fo=1; rua=mailto:sebastian@skweb.dk

📬 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 2026-10-07 23:36:03

✍️ DKIM keys#

1 found
SelectorCNAMEKey
mail — RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.skweb.dk Ayr3XRMIrD7Z1XdlynxSkh4JecdBxOsBNfRv27Kz5BM
TXT _acme-challenge.skweb.dk vcPYETQlSgzisVo9DbRav9wfYHrW7FEHaV89OtbbaeE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415420684
Primary NS (MNAME)dale.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

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

⏱️ Lookup Timing#

NS
26ms
A
30ms
MX
29ms
AAAA
35ms
TXT
172ms
CAA
33ms
HTTPS
32ms
TLSA
93ms
SOA
0ms
MTA-STS
51ms
DNSSEC
103ms
SRV
68ms
Total
1112ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-27 19:11:36 2718ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 18:32:00 1014ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 17:21:37 shown 1112ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 11:54:32 1283ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-13 10:01:45 1299ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 08:34:58 1538ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 05:52:28 1377ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 19:50:46 1037ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 16:32:30 1079ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 16:50:19 2826ms 2 NS 2 A 1 MX 🔓 Insecure
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