on-target.dk

📜 Historical scan 2026-06-18 01:03:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

on-target.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.129.170 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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 190ms

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 217ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.103.129.170	—	5.103.129.170.static.fibianet.dk	AS44869	FIBIA P/S	5.103.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

4 records 364ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	5.103.129.170
🔶 Autoconfig	5.103.129.170

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 586ms

TXT Record
v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.dk ?all

✉️ SPF#

Policy	Record (on-target.dk)
?all (neutral)	v=spf1 mx a ptr ip4:5.103.129.170 a:mail.sitekey.dk a:smtp.sitekey.dk include:sitekey.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 2026-10-08 17:01:31

www CNAME	on-target.dk (all on on-target.dk) → 5.103.129.170 (AS44869)
www vs bare domain	Same network on-target.dk: 5.103.129.170 (AS44869) www.on-target.dk: 5.103.129.170 (AS44869)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: ?all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

4 records 344ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

421ms

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

🏷️ SOA#

206ms

Field	Value
Serial	2026032402
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 2026-10-08 12:43:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-05-18
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

190ms

217ms

364ms

AAAA

359ms

TXT

586ms

CAA

333ms

HTTPS

347ms

TLSA

344ms

SOA

206ms

MTA-STS

364ms

DNSSEC

421ms

SRV

357ms

Total

3064ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:14:27	716ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-24 05:08:43	772ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-23 15:58:22	777ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-02 19:47:30	9614ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 14:54:04	641ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 01:03:21 shown	3064ms	2 NS 1 A 4 MX	🔒 Secure