concretecms.dk

Records from scan: 2026-10-14 10:06:50 · 561ms total · last checked 2026-10-17 12:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

concretecms.dk is a .dk domain served by 2 nameservers (ns1.concrete5danmark.dk, ns2.concrete5danmark.dk). It was registered on 6 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.201.255.81 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by concretecms.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.concrete5danmark.dk	88.99.120.238	ns1.dnshotel.dk	AS24940 Hetzner Online GmbH
ns2.concrete5danmark.dk	94.130.170.39	ns2.dnshotel.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.201.255.81	360s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	138.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	concretecms.dk	138.201.255.81 2a01:4f8:173:2652::1	server.concrete5danmark.dk server.concrete5danmark.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:173:2652::1	3600s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 294ms

TXT Record
google-site-verification=sXhurAuNk8I44L8WOE00R9vj69rPhsRSPqryGfzkVMQ
v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (concretecms.dk)
~all (soft fail)	v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +include:relay.mailchannels.net ~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#

checked 2026-10-14 10:06:50

www CNAME	concretecms.dk (all on concretecms.dk) → 138.201.255.81 2a01:4f8:173:2652::1 (AS24940)
www vs bare domain	Same network concretecms.dk: 138.201.255.81 2a01:4f8:173:2652::1 (AS24940) www.concretecms.dk: 138.201.255.81 2a01:4f8:173:2652::1 (AS24940)
Wildcard	No

✍️ 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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.concretecms.dk	DEKlwOT6N3_TDweuO0FaG0mhNN8YQlJvI_PEpzClEPI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026101301
Primary NS (MNAME)	ns1.concrete5danmark.dk
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-14 10:24:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-01-06
Expires	2027-01-31 (105d)

🔗 Same registrant#

8 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
c5dk.dk	Punktum dk A/S (direct)
concrete-cms.dk	Punktum dk A/S (direct)
concrete5.dk	Punktum dk A/S (direct)
dcay.dk	Punktum dk A/S (direct)
jensen-maar.dk	Punktum dk A/S (direct)
mgav.dk	Punktum dk A/S (direct)
perblumensaat.dk	Punktum dk A/S (direct)
timur.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

45ms

58ms

AAAA

51ms

TXT

294ms

CAA

40ms

HTTPS

58ms

TLSA

70ms

SOA

42ms

MTA-STS

80ms

DNSSEC

69ms

SRV

79ms

Total

561ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 10:06:50 shown	561ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 14:38:46	4897ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 08:37:01	4838ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 22:50:31	6551ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-01 10:20:24	8109ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-30 15:40:12	1199ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-29 14:58:46	21017ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-25 04:11:48	9869ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-24 02:07:36	894ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-21 08:48:37	4875ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 18:09:56	13581ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-12 02:25:37	811ms	2 NS 1 A 1 MX	❓ Unknown
2026-07-11 01:35:10	831ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-27 13:24:17	6805ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 09:24:12	701ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-21 21:00:22	2236ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:07:31	5976ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 00:07:32	57419ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 22:13:07	1566ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 22:06:47	667ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 22:00:59	604ms	2 NS 1 A 1 MX	🔓 Insecure