cobis.dk

📜 Historical scan 2026-06-16 21:35:20  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cobis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 206.189.99.176 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by mailgw.sbshosting.dk. 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#

2 records   69ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   60ms

📧 MX Records#

1 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mailgw.sbshosting.dk 5.57.55.126 mailgw.sbshosting.dk AS198608 Symbion A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   184ms
TXT Record
google-site-verification=dy91kwLjS4VK18Ao4_KbnUaMgp8_e64LehCT4gUOE7I
MS=ms74618574
v=spf1 a ip4:5.57.51.23 include:spf.protection.outlook.com include:mailgun.org include:spf.sbshosting.dk -all

✉️ SPF#

PolicyRecord (cobis.dk)
-all (hard fail) v=spf1 a ip4:5.57.51.23 include:spf.protection.outlook.com include:mailgun.org include:spf.sbshosting.dk -all

📨 DMARC#

PolicyRecord (_dmarc.cobis.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 2026-10-12 15:28:23
www CNAMEcobis.dk (all on cobis.dk)
www vs bare domainSame network
cobis.dk: 206.189.99.176 (AS14061)
www.cobis.dk: 206.189.99.176 (AS14061)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
k1 — RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

  • warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

186ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

53ms
FieldValue
Serial2026041301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 08:03:39
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-12-12
Expires2026-12-11 (54d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
69ms
A
60ms
MX
62ms
AAAA
65ms
TXT
184ms
CAA
63ms
HTTPS
65ms
TLSA
93ms
SOA
53ms
MTA-STS
55ms
DNSSEC
186ms
SRV
0ms
Total
604ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-08-31 08:40:16 1783ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-28 11:23:49 541ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-27 09:09:15 810ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-20 20:53:00 6740ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-06 16:47:20 4919ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-20 16:56:19 6804ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-22 09:43:37 697ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-19 16:09:52 608ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:35:20 shown 604ms 2 NS 1 A 1 MX 🔓 Insecure
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