doubleup.dk
Last scanned: 2026-08-27 17:04:05  ·  430ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
NameserverIP addressesPTRASN / ISP
arnold.ns.cloudflare.com 108.162.193.69
172.64.33.69
173.245.59.69
2606:4700:58::adf5:3b45
2803:f800:50::6ca2:c145
2a06:98c1:50::ac40:2145		 arnold.ns.cloudflare.com
arnold.ns.cloudflare.com
arnold.ns.cloudflare.com
arnold.ns.cloudflare.com
arnold.ns.cloudflare.com
arnold.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
carioca.ns.cloudflare.com 108.162.194.20
162.159.38.20
172.64.34.20
2606:4700:50::a29f:2614
2803:f800:50::6ca2:c214
2a06:98c1:50::ac40:2214		 carioca.ns.cloudflare.com
carioca.ns.cloudflare.com
carioca.ns.cloudflare.com
carioca.ns.cloudflare.com
carioca.ns.cloudflare.com
carioca.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   164ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (doubleup.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.doubleup.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
📬 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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2413305631
Primary NS (MNAME)arnold.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
40ms
MX
27ms
AAAA
22ms
TXT
164ms
CAA
25ms
HTTPS
32ms
TLSA
29ms
SOA
0ms
MTA-STS
58ms
DNSSEC
97ms
SRV
50ms
Total
430ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:04:05 430ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-26 16:09:37 468ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-25 07:40:56 1161ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-01 18:04:24 1252ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 22:11:31 472ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 16:12:50 1173ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 04:22:51 271ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 04:21:01 440ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone