concept.dk

📜 Historical scan 2026-06-25 10:35:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

concept.dk is a .dk domain served by 2 nameservers (chip.ns.cloudflare.com, stella.ns.cloudflare.com). It was registered on 20 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.9.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by alt3.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 239ms

Nameserver	IP addresses	PTR	ASN / ISP
chip.ns.cloudflare.com	108.162.193.84 172.64.33.84 173.245.59.84 2606:4700:58::adf5:3b54 2803:f800:50::6ca2:c154 2a06:98c1:50::ac40:2154	chip.ns.cloudflare.com chip.ns.cloudflare.com chip.ns.cloudflare.com chip.ns.cloudflare.com chip.ns.cloudflare.com chip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stella.ns.cloudflare.com	108.162.194.154 162.159.38.154 172.64.34.154 2606:4700:50::a29f:269a 2803:f800:50::6ca2:c29a 2a06:98c1:50::ac40:229a	stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 199ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.245	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.211	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 224ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	alt3.aspmx.l.google.com	142.250.147.26 2404:6800:4003:c26::1a	rd-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	172.253.152.27 2a00:1450:4013:c1e::1b	yulpptr-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
40	300s	aspmx.l.google.com	142.251.127.26 2a00:1450:400c:c1d::1b	lcfrai-in-f26.1e100.net wh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	300s	alt2.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 220ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:9f5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:bdd3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 210ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.245,172.67.189.211 ech=AEX+DQBBiAAgACBwbx4SwxktTDRrMnb/gaZ3f4rxQ+DXlawREe9O03hYMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:9f5,2606:4700:3035::ac43:bdd3

📝 TXT Records#

4 records 390ms

TXT Record
00D20000000JNHE=1TBOj00000008wr
google-site-verification=-pw5KrBcLDQUlRJmgxQ7MeXoubaWUXrjaAHwmPEethE
MS=ms80014378
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (concept.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 12:20:40

www	104.21.9.245 172.67.189.211 2606:4700:3033::6815:9f5 2606:4700:3034::ac43:bdd3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network concept.dk: 104.21.9.245 172.67.189.211 2606:4700:3033::6815:9f5 2606:4700:3034::ac43:bdd3 (AS13335) www.concept.dk: 104.21.9.245 172.67.189.211 2606:4700:3033::6815:9f5 2606:4700:3034::ac43:bdd3 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

305ms

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

🏷️ SOA#

196ms

Field	Value
Serial	2407278898
Primary NS (MNAME)	chip.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 16:00:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-08-20
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

239ms

199ms

224ms

AAAA

220ms

TXT

390ms

CAA

199ms

HTTPS

210ms

TLSA

396ms

SOA

196ms

MTA-STS

223ms

DNSSEC

305ms

SRV

395ms

Total

2688ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 12:20:40	863ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-04 15:39:36	920ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 15:21:02	836ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 15:35:00	742ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-18 01:36:18	1631ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-16 04:25:04	17521ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-08 01:45:37	1469ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-27 09:41:50	1006ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 10:35:59 shown	2688ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 06:41:40	653ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 23:39:06	65535ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 22:25:43	2258ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 22:00:59	678ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 22:00:14	652ms	2 NS 2 A 5 MX	🔓 Insecure