flasker.dk

📜 Historical scan 2026-08-27 23:40:56  ·  ← 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   24ms
NameserverIP addressesPTRASN / ISP
primary.ns.hostup.se 198.41.222.135
2400:cb00:2049:1::c629:de87		 cf-198-41-222-135.cloudflare.com
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
secondary.ns.hostup.se 162.159.8.163
2400:cb00:2049:1::a29f:8a3		 —
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   35ms
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   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.flasker.dk 185.113.11.10 lambda.hostup.se AS214640 Hostup AB

🔷 AAAA Records (IPv6)#

2 records   28ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:36e5 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:8f1e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   28ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.229,172.67.143.30 ech=AEX+DQBBMgAgACAyKj91O2q6RdL0qFlcWTlYaj3BJo8nhoftP0Z2uI4/YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36e5,2606:4700:3037::ac43:8f1e

📝 TXT Records#

1 records   161ms
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 2026-10-17 23:49:24
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#

102ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413332618
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 (288d)

🔗 Same registrant#

15 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
airbike.dkPunktum dk A/S (direct)
børnehave.dkSimply.com A/S
glødepærer.dkPunktum dk A/S (direct)
kasinoer.dkSimply.com A/S
klapvogne.dkPunktum dk A/S (direct)
loftisolering.dkPunktum dk A/S (direct)
masturbator.dkPunktum dk A/S (direct)
møl.dkPunktum dk A/S (direct)
napoli.dkSimply.com A/S
neglelak.dkSimply.com A/S
sandaler.dkSimply.com A/S
sminke.dkSimply.com A/S
topauktioner.dkSimply.com A/S
vaser.dkPunktum dk A/S (direct)
vitaminpiller.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
24ms
A
35ms
MX
36ms
AAAA
28ms
TXT
161ms
CAA
27ms
HTTPS
28ms
TLSA
55ms
SOA
0ms
MTA-STS
44ms
DNSSEC
102ms
SRV
52ms
Total
541ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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
2026-08-19 06:42:21 37852ms 2 NS 2 A 1 MX 🔓 Insecure
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