3rkontor.dk

📜 Historical scan 2026-06-20 07:02:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3rkontor.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 21 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.143.8.101 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. 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#

4 records 532ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 512ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.143.8.101	3600s	shopclu1lb1.danhosting.dk	AS48854	team.blue Denmark A/S	94.143.8.0/21	🇩🇰 Denmark	Skanderborg

📧 MX Records#

2 records 525ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 679ms

TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

Policy	Record (3rkontor.dk)
?all (neutral)	v=spf1 include:spf.dandomain.dk ?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 2026-10-20 17:13:22

www	94.143.8.101 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3rkontor.dk: 94.143.8.101 (AS48854) www.3rkontor.dk: 94.143.8.101 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

746ms

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

🏷️ SOA#

515ms

Field	Value
Serial	2026050510
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-02 06:34:02

Field	Value
Registrar	Eurodns S.A
Registered	2014-10-21
Expires	2026-10-31 (8d)

📋 WHOIS#

⏱️ Lookup Timing#

532ms

512ms

525ms

AAAA

527ms

TXT

679ms

CAA

520ms

HTTPS

518ms

TLSA

97ms

SOA

515ms

MTA-STS

63ms

DNSSEC

746ms

SRV

761ms

Total

1071ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 17:13:21	494ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-08 01:47:12	542ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-02 06:26:09	1711ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-01 06:12:33	790ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-24 03:46:58	9483ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-21 19:18:36	692ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-14 21:58:44	949ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-12 13:48:48	730ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-28 07:34:03	848ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-26 15:05:36	613ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-25 00:32:33	17321ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-09 15:01:03	3150ms	4 NS 1 A 2 MX	🔒 Secure
2026-07-22 14:57:45	9836ms	4 NS 1 A 2 MX	🔒 Secure
2026-07-18 17:53:54	870ms	4 NS 1 A 2 MX	🔒 Secure
2026-07-02 11:12:19	7820ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-25 06:17:00	3189ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-24 01:27:12	1190ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 10:26:06	589ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-20 07:02:47 shown	1071ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-16 12:49:23	1859ms	4 NS 1 A 2 MX	🔒 Secure