flasker.dk

📜 Historical scan 2026-08-14 02:06:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

flasker.dk is a .dk domain served by 2 nameservers (primary.ns.hostup.se, secondary.ns.hostup.se). It was registered on 4 August 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.229 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.flasker.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   202ms

🌍 A Records#

2 records   219ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.54.229 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.143.30 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   200ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.flasker.dk 185.113.11.10 lambda.hostup.se AS214640 Hostup AB

🔷 AAAA Records (IPv6)#

2 records   194ms

🔐 HTTPS Records#

1 records   256ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.229,172.67.143.30 ech=AEX+DQBBtQAgACASGui8ogI3jTHvwuXbTM6D9KjtWC7F4EO2njYsQuerDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36e5,2606:4700:3037::ac43:8f1e

📝 TXT Records#

1 records   474ms
TXT Record
v=spf1 mx include:spf.hostup.se ~all

✉️ SPF#

PolicyRecord (flasker.dk)
~all (soft fail) v=spf1 mx include:spf.hostup.se ~all

📨 DMARC#

PolicyRecord (_dmarc.flasker.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-20 01:01:48
www104.21.54.229 172.67.143.30 2606:4700:3030::6815:36e5 2606:4700:3037::ac43:8f1e (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

367ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412144296
Primary NS (MNAME)primary.ns.hostup.se
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 17:20:04
FieldValue
RegistrarSimply.com A/S
Registered2026-08-04
Expires2027-08-03 (286d)

🔗 Same registrant#

21 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
202ms
A
219ms
MX
200ms
AAAA
194ms
TXT
474ms
CAA
214ms
HTTPS
256ms
TLSA
233ms
SOA
0ms
MTA-STS
266ms
DNSSEC
367ms
SRV
270ms
Total
2252ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 01:01:48 744ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-17 23:49:24 1127ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-15 20:49:17 1318ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 19:06:28 1720ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 17:06:45 692ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-11 11:48:17 805ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-10 09:44:19 694ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-05 23:34:43 2195ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 22:33:11 676ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 08:04:59 1540ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 16:27:17 939ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 13:38:31 680ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-18 04:00:23 1943ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-12 00:22:54 1224ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 06:24:41 1175ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-31 17:50:57 1604ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-30 14:28:16 2054ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-29 01:55:25 1648ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 23:40:56 541ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 23:18:26 1174ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 17:04:00 951ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 15:56:14 2174ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 14:24:38 8779ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 14:11:19 1341ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 13:55:05 9255ms 2 NS 2 A 1 MX 🔓 Insecure
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