41concepts.dk

Records from scan: 2026-10-09 18:28:29 · 4137ms total · last checked 2026-10-17 05:08 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

41concepts.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.112 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 159ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.112	14400s	linux232.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

7 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	192.179.20.26 2404:6800:4000:1027::1b	ncboms-in-f26.1e100.net ncboms-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 345ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (41concepts.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#

checked 2026-10-09 18:28:29

www	93.191.156.112 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 41concepts.dk: 93.191.156.112 (AS48854) www.41concepts.dk: 93.191.156.112 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

283ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

78ms

Field	Value
Serial	2026100901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-09 19:01:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-05-26
Expires	2028-05-31 (591d)

📋 WHOIS#

⏱️ Lookup Timing#

159ms

87ms

96ms

AAAA

155ms

TXT

345ms

CAA

150ms

HTTPS

129ms

TLSA

853ms

SOA

78ms

MTA-STS

216ms

DNSSEC

283ms

SRV

184ms

Total

4137ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:28:29 shown	4137ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-24 03:10:21	1146ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-09 17:34:50	4157ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-28 07:10:29	1085ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-09 16:07:16	1734ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-08 11:24:55	5871ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-15 15:38:36	1594ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 02:10:30	1736ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 00:35:36	795ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 13:14:07	966ms	2 NS 1 A 7 MX	🔒 Secure