dgc-certification.dk
Last scanned: 2026-08-18 12:33:50  ·  3141ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   227ms
NameserverIP addressesPTRASN / ISP
ns1.linode.com 2600:14c0:6::2
92.123.94.2		 c1-2.akashield.net
c1-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns2.linode.com 2600:14c0:6::3
92.123.94.3		 c1-3.akashield.net
c1-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns3.linode.com 2600:14c0:7::3
92.123.95.3		 c2-3.akashield.net
c2-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns4.linode.com 2600:14c0:7::4
92.123.95.4		 c2-4.akashield.net
c2-4.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns5.linode.com 2600:14c0:7::2
92.123.95.2		 c2-2.akashield.net
c2-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
🌍 A Records1 records   119ms
IPTTLPTRASNISP / OrgCIDRCountryCity
155.248.204.114 86400s — AS31898 Oracle Corporation 155.248.192.0/18 🇺🇸 United States San Jose
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s smtp.dgc-certification.dk 155.248.204.114 — AS31898 Oracle Corporation
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2077ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021000001
Primary NS (MNAME)ns1.linode.com
Responsible (RNAME)admin@dgc-certification.dk
Refresh14400s
Retry14400s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
227ms
A
119ms
MX
52ms
AAAA
54ms
TXT
1365ms
CAA
212ms
HTTPS
145ms
TLSA
232ms
SOA
0ms
MTA-STS
182ms
DNSSEC
2077ms
SRV
337ms
Total
3141ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 12:33:50 3141ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-28 18:32:11 1563ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 00:14:56 1321ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 02:35:17 1030ms 5 NS 1 A 1 MX 🔓 Insecure View
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