3rkontor.dk

Records from scan: 2026-10-08 01:47:12 · 542ms total · last checked 2026-10-16 13:15 (unchanged)

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

🖥️ Nameservers#

4 records 40ms

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 40ms

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 49ms

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 268ms

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#

checked 2026-10-08 01:47:12

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#

68ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2026050530
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 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

49ms

AAAA

52ms

TXT

268ms

CAA

53ms

HTTPS

58ms

TLSA

74ms

SOA

51ms

MTA-STS

84ms

DNSSEC

68ms

SRV

87ms

Total

542ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:47:12 shown	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	1071ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-16 12:49:23	1859ms	4 NS 1 A 2 MX	🔒 Secure