effort.dk

📜 Historical scan 2026-06-17 06:07:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

effort.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was registered on 18 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.65 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	—	—	—
ns2.123hotel.dk	—	—	—

🌍 A Records#

1 records 109ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.65	—	linux20.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	—	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 127ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (effort.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?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 2026-10-12 07:50:39

www	185.21.40.65 (AS48854) (address records, no CNAME)
www vs bare domain	Same network effort.dk: 185.21.40.65 (AS48854) www.effort.dk: 185.21.40.65 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
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#

101ms

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

🏷️ SOA#

103ms

Field	Value
Serial	2021111801
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 22:46:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-12-18
Expires	2026-12-31 (75d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

34ms

109ms

22ms

AAAA

33ms

TXT

127ms

CAA

22ms

HTTPS

22ms

TLSA

31ms

SOA

103ms

MTA-STS

43ms

DNSSEC

101ms

SRV

0ms

Total

362ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 20:56:48	464ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-14 10:23:54	502ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 06:58:17	615ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 22:37:55	713ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 02:50:24	583ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 20:31:23	593ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 01:53:45	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 06:23:44	10374ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:07:56 shown	362ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:03:45	1603ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:00:51	547ms	2 NS 1 A 2 MX	🔒 Secure