flasker.dk

📜 Historical scan 2026-08-10 22:42:00  ·  ← 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   150ms
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   222ms
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   213ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.flasker.dk 185.113.11.10 lambda.hostup.se AS214640 Hostup AB

🔷 AAAA Records (IPv6)#

2 records   131ms
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   213ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.229,172.67.143.30 ech=AEX+DQBBnAAgACD9BqMfOdO2k+iNA9Guiww3VPr24bC3QRFsnVRK/Q6ZYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36e5,2606:4700:3037::ac43:8f1e

📝 TXT Records#

1 records   612ms
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#

541ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2411874008
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

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)
biludlejninger.dkPunktum dk A/S (direct)
børnehave.dkSimply.com A/S
cologne.dkSimply.com A/S
cryptocurrency.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
pinkorblue.dkSimply.com A/S
rejseselskab.dkPunktum dk A/S (direct)
sandaler.dkSimply.com A/S
sminke.dkSimply.com A/S
topauktioner.dkSimply.com A/S
translator.dkSimply.com A/S
vaser.dkPunktum dk A/S (direct)
vitaminpiller.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
150ms
A
222ms
MX
213ms
AAAA
131ms
TXT
612ms
CAA
222ms
HTTPS
213ms
TLSA
205ms
SOA
0ms
MTA-STS
257ms
DNSSEC
541ms
SRV
254ms
Total
2951ms

🕐 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone