copsub.dk
Last scanned: 2026-08-28 10:47:21  ·  1043ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
83.169.37.20 600s vps05.copsub.dk AS20773 Host Europe GmbH 83.169.32.0/20 🇩🇪 Germany —
📧 MX Records1 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.copsub.dk 46.163.74.239 vps02.copsub.dk AS8972 Host Europe GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   188ms
TXT Record
v=spf1 mx a:vps01.copsub.dk a:vps02.copsub.dk -all
✉️ SPF
PolicyRecord (copsub.dk)
-all (hard fail) v=spf1 mx a:vps01.copsub.dk a:vps02.copsub.dk -all
📨 DMARC
PolicyRecord (_dmarc.copsub.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-adr@copsub.dk; ruf=mailto:dmarc-fdr@copsub.dk; fo=0:1:d:s; adkim=r; aspf=r; sp=reject; pct=100; rf=afrf; ri=86400
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   51ms
FlagsTagValue
1 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC83ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081505
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
37ms
A
58ms
MX
63ms
AAAA
33ms
TXT
188ms
CAA
51ms
HTTPS
57ms
TLSA
254ms
SOA
0ms
MTA-STS
74ms
DNSSEC
83ms
SRV
70ms
Total
1043ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:47:21 1043ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 15:33:48 573ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 15:03:39 646ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 10:46:31 2513ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-04 15:38:23 1446ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 12:14:52 2355ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 19:20:09 818ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 03:59:42 745ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 19:27:42 763ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 05:27:36 770ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 22:25:53 581ms 2 NS 1 A 1 MX 🔒 Secure View
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