contracts-for-difference.dk
📜 Historical scan 2026-06-23 17:24:49  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   160ms
NameserverIP addressesPTRASN / ISP
edns4.ultradns.biz 204.74.67.4
2610:a1:1015::204		 edns4.ultradns.biz
edns4.ultradns.biz		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns4.ultradns.com 2001:502:f3ff::204
204.74.66.4		 edns4.ultradns.com
edns4.ultradns.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns4.ultradns.net 204.74.110.4
2610:a1:1014::204		 edns4.ultradns.net
edns4.ultradns.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns4.ultradns.org 2001:502:4612::204
204.74.111.4		 edns4.ultradns.org
edns4.ultradns.org		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records
🌍
No A records found
📧 MX Records2 records   304ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s relay1.netnames.net 185.26.230.83 relay1.netnames.net AS34922 CSC Administrative Services Limited
20 86400s relay2.netnames.net 185.26.230.89 relay2.netnames.net AS34922 CSC Administrative Services Limited
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   569ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (contracts-for-difference.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.contracts-for-difference.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; ruf=mailto:dmarc-reports@saxobank.com; fo=1
📬 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)
🔐 DNSSEC327ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA161ms
FieldValue
Serial2019051309
Primary NS (MNAME)edns4.ultradns.com
Responsible (RNAME)premiumdns@support.neustar
Refresh28800s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
160ms
A
327ms
MX
304ms
AAAA
149ms
TXT
569ms
CAA
152ms
HTTPS
146ms
TLSA
249ms
SOA
161ms
MTA-STS
151ms
DNSSEC
327ms
SRV
319ms
Total
3041ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 11:18:39 2492ms 4 NS 0 A 2 MX 🔓 Insecure View
2026-06-23 17:24:49 3041ms 4 NS 0 A 2 MX 🔓 Insecure View
2026-06-23 10:21:10 1192ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 22:11:10 4435ms 4 NS 0 A 2 MX 🔓 Insecure View
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