on-it.dk

📜 Historical scan 2026-08-13 10:01:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

on-it.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 2 August 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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#

5 records   240ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 ns1.gigahost.dk AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records   543ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   250ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 3600s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoveron-it.dk → 46.183.138.100
🔶 Autoconfigon-it.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   985ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

2 records   960ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

PolicyRecord (on-it.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

PolicyRecord (_dmarc.on-it.dk)
p=reject v=DMARC1; p=reject;

📬 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 2026-10-24 07:22:45
www CNAMEon-it.dk (all on on-it.dk)
www vs bare domainSame network
on-it.dk: 46.183.138.100 (AS47292)
www.on-it.dk: 46.183.138.100 (AS47292)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.on-it.dk on-it.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1052ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@on-it.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-23 07:28:08
FieldValue
RegistrarGIGAHOST ApS
Registered2023-08-02
Expires2027-08-01 (279d)

🔗 Same registrant#

3 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).

DomainRegistrar
bmhotel.dkPunktum dk A/S (direct)
christiansfeld-zoneterapi.dkGIGAHOST ApS
kenton-nile.dkGIGAHOST ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
240ms
A
543ms
MX
250ms
AAAA
265ms
TXT
960ms
CAA
249ms
HTTPS
275ms
TLSA
324ms
SOA
0ms
MTA-STS
324ms
DNSSEC
1052ms
SRV
985ms
Total
5495ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 07:22:45 885ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-23 06:59:19 1044ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-22 03:36:26 1646ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-18 02:34:26 995ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-17 01:40:56 848ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-16 00:20:01 1735ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 09:59:36 3120ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 03:50:35 1131ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 02:02:24 1511ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-17 08:07:02 1487ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-11 02:16:54 833ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-05 17:07:57 727ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-27 02:16:37 1095ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-20 15:09:04 5097ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-13 10:01:45 shown 5495ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-07 18:10:28 1165ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-05 12:59:12 1276ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 22:54:20 2336ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-16 21:40:53 8815ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-11 09:58:23 9912ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-02 05:18:18 9724ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-02 04:20:14 1859ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-24 05:57:58 1646ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-17 15:34:29 987ms 5 NS 1 A 3 MX 🔓 Insecure
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