cobis.dk
Last scanned: 2026-08-31 08:40:16  ·  1783ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   138ms
NameserverIP addressesPTRASN / 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 Records1 records   73ms
IPTTLPTRASNISP / OrgCIDRCountryCity
206.189.99.176 600s 567842.cloudwaysapps.com AS14061 DigitalOcean, LLC 206.189.0.0/16 🇳🇱 The Netherlands Amsterdam
📧 MX Records1 records   127ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mailgw.sbshosting.dk 5.57.55.126 mailgw.sbshosting.dk AS198608 Symbion A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.symbion.dk → 5.57.51.31
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   341ms
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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC267ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026083001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
138ms
A
73ms
MX
127ms
AAAA
112ms
TXT
341ms
CAA
120ms
HTTPS
96ms
TLSA
268ms
SOA
0ms
MTA-STS
214ms
DNSSEC
267ms
SRV
163ms
Total
1783ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 08:40:16 1783ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-28 11:23:49 541ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 09:09:15 810ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 20:53:00 6740ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-06 16:47:20 4919ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-20 16:56:19 6804ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 09:43:37 697ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 16:09:52 608ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 21:35:20 604ms 2 NS 1 A 1 MX 🔓 Insecure View
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