onlineconcept.dk

Records from scan: 2026-10-12 16:50:07 · 1007ms total · last checked 2026-10-19 02:21 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlineconcept.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 15 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.112.144.77 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by onlineconcept-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.112.144.77	600s	212-112-144-77.norlyscustomer.net	AS39642	Sinal A/S	212.112.128.0/19	🇩🇰 Denmark	Esbjerg

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	onlineconcept-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.103.39 52.101.185.21 52.101.68.10 52.101.68.29	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 43ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 133ms

TXT Record
google-site-verification=-ZK32clqWGpHtB9caU6OBiwy3PM_GUzl_ptbtwyTIfw
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (onlineconcept.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.onlineconcept.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:info@onlineconcept.dk; adkim=s; aspf=s;

📬 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 2026-10-12 16:50:07

www	NXDOMAIN
www vs bare domain	www does not resolve onlineconcept.dk: 212.112.144.77 (AS39642) www.onlineconcept.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u25353742.wl243.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u25353742.wl243.sendgrid.net	RSA · ~2048 bit
selector1	selector1-onlineconcept-dk._domainkey.onlineconcept.onmicrosoft.com	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#

55ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 17:03:02

Field	Value
Registrar	Simply.com A/S
Registered	2009-10-15
Expires	2026-10-31 (11d)

🔗 Same registrant#

1 domain

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
onlinekoncept.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

23ms

28ms

AAAA

25ms

TXT

133ms

CAA

36ms

HTTPS

31ms

TLSA

599ms

SOA

30ms

MTA-STS

45ms

DNSSEC

55ms

SRV

43ms

Total

1007ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:50:07 shown	1007ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-09 11:32:38	1336ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:46:38	1200ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:36:25	595ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:40:23	1343ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:52:28	818ms	4 NS 1 A 1 MX	🔒 Secure