flasker.dk

📜 Historical scan 2026-09-24 16:27:17 · ← 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 37ms

Nameserver	IP addresses	PTR	ASN / 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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.flasker.dk	185.113.11.10	lambda.hostup.se	AS214640 Hostup AB

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.229,172.67.143.30 ech=AEX+DQBBIgAgACC/Rw66RcIlQ8mL65L/llbeOlyupDY1c7fpboEc4ABIeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36e5,2606:4700:3037::ac43:8f1e

📝 TXT Records#

1 records 184ms

TXT Record
v=spf1 mx include:spf.hostup.se ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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 2026-10-15 20:49:17

www	104.21.54.229 172.67.143.30 2606:4700:3030::6815:36e5 2606:4700:3037::ac43:8f1e (AS13335) (address records, no CNAME)
www vs bare domain	Same network flasker.dk: 104.21.54.229 172.67.143.30 2606:4700:3030::6815:36e5 2606:4700:3037::ac43:8f1e (AS13335) www.flasker.dk: 104.21.54.229 172.67.143.30 2606:4700:3030::6815:36e5 2606:4700:3037::ac43:8f1e (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

116ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415658077
Primary NS (MNAME)	primary.ns.hostup.se
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 17:20:04

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-04
Expires	2027-08-03 (290d)

🔗 Same registrant#

11 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).

Domain	Registrar
airbike.dk	Punktum dk A/S (direct)
glødepærer.dk	Punktum dk A/S (direct)
kasinoer.dk	Simply.com A/S
klapvogne.dk	Punktum dk A/S (direct)
loftisolering.dk	Punktum dk A/S (direct)
masturbator.dk	Punktum dk A/S (direct)
napoli.dk	Simply.com A/S
neglelak.dk	Simply.com A/S
sandaler.dk	Simply.com A/S
topauktioner.dk	Simply.com A/S
vaser.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

31ms

43ms

AAAA

43ms

TXT

184ms

CAA

30ms

HTTPS

37ms

TLSA

70ms

SOA

0ms

MTA-STS

61ms

DNSSEC

116ms

SRV

65ms

Total

939ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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
2026-08-19 06:42:21	37852ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 06:19:57	774ms	2 NS 2 A 1 MX	🔓 Insecure