osc.dk

📜 Historical scan 2026-09-03 14:05:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osc.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 16 October 1998 (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 ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 5 more. The zone is not DNSSEC-signed, 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#

5 records   27ms
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   24ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

7 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s ASPMX.L.GOOGLE.COM 142.251.9.26
2a00:1450:4025:c01::1b		 rc-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 7200s ALT1.ASPMX.L.GOOGLE.COM 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 7200s ALT2.ASPMX.L.GOOGLE.COM 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 7200s ASPMX2.GOOGLEMAIL.COM 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 7200s ASPMX3.GOOGLEMAIL.COM 192.178.158.27
2404:6800:4001:c01::1b		 lcdels-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 7200s ASPMX4.GOOGLEMAIL.COM 172.253.158.27
2404:6800:4003:c26::1a		 so-in-f27.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 7200s ASPMX5.GOOGLEMAIL.COM 108.177.125.26
2404:6800:4003:c26::1b		 tp-in-f26.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverosc.dk → 46.183.138.100
🔶 Autoconfigosc.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-15 11:17:57
www CNAMEosc.dk (all on osc.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.osc.dk osc.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@osc.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-12 16:45:36
FieldValue
RegistrarGIGAHOST ApS
Registered1998-10-16
Expires2026-12-31 (69d)

🔗 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#

NS
27ms
A
24ms
MX
46ms
AAAA
34ms
TXT
312ms
CAA
33ms
HTTPS
43ms
TLSA
249ms
SOA
0ms
MTA-STS
83ms
DNSSEC
118ms
SRV
193ms
Total
1300ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 11:17:57 3071ms 5 NS 1 A 7 MX 🔓 Insecure
2026-10-08 04:34:01 3387ms 5 NS 1 A 7 MX 🔓 Insecure
2026-10-02 00:23:16 1020ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-29 23:46:42 910ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-27 04:01:30 1265ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-24 07:52:20 1913ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-20 21:02:38 1522ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-10 18:38:15 1264ms 5 NS 1 A 7 MX 🔓 Insecure
2026-09-03 14:05:11 shown 1300ms 5 NS 1 A 7 MX 🔓 Insecure
2026-08-27 16:34:17 965ms 5 NS 1 A 7 MX 🔓 Insecure
2026-08-20 22:04:32 5651ms 5 NS 1 A 7 MX 🔓 Insecure
2026-08-14 06:38:45 8899ms 5 NS 1 A 7 MX 🔓 Insecure
2026-08-06 16:53:31 1650ms 5 NS 1 A 7 MX 🔓 Insecure
2026-07-31 14:06:20 2125ms 5 NS 1 A 7 MX 🔓 Insecure
2026-07-24 00:12:39 1957ms 5 NS 1 A 7 MX 🔓 Insecure
2026-07-17 04:20:07 2021ms 5 NS 1 A 7 MX 🔓 Insecure
2026-07-13 18:02:12 1838ms 5 NS 1 A 7 MX 🔓 Insecure
2026-07-03 10:57:39 9005ms 5 NS 1 A 7 MX 🔓 Insecure
2026-06-25 23:31:23 1279ms 5 NS 1 A 7 MX 🔓 Insecure
2026-06-22 15:06:45 1757ms 5 NS 1 A 7 MX 🔓 Insecure
2026-06-17 14:37:52 2478ms 5 NS 1 A 7 MX 🔓 Insecure
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