41concepts.dk

📜 Historical scan 2026-07-15 15:38:36 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 115ms

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 143ms

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 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c03::1b	rd-in-f27.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.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
10	43200s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-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 273ms

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#

latest probe, not this scan · 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#

192ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071001
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#

115ms

143ms

116ms

AAAA

113ms

TXT

273ms

CAA

103ms

HTTPS

115ms

TLSA

209ms

SOA

0ms

MTA-STS

133ms

DNSSEC

192ms

SRV

152ms

Total

1594ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:28:29	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 shown	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