0xd.dk

📜 Historical scan 2026-06-23 23:03:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

0xd.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, pearl.ns.cloudflare.com). It was registered on 16 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.23 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   39ms
NameserverIP addressesPTRASN / ISP
clark.ns.cloudflare.com 108.162.193.87
172.64.33.87
173.245.59.87
2606:4700:58::adf5:3b57
2803:f800:50::6ca2:c157
2a06:98c1:50::ac40:2157		 clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
pearl.ns.cloudflare.com 108.162.194.140
162.159.38.140
172.64.34.140
2606:4700:50::a29f:268c
2803:f800:50::6ca2:c28c
2a06:98c1:50::ac40:228c		 pearl.ns.cloudflare.com
pearl.ns.cloudflare.com
pearl.ns.cloudflare.com
pearl.ns.cloudflare.com
pearl.ns.cloudflare.com
pearl.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.56.23 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.175.253 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   51ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3120::9 600s — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —
2a06:98c1:3121::9 600s — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —

🔐 HTTPS Records#

1 records   58ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.56.23,172.67.175.253 ech=AEX+DQBB9gAgACAethsMaripr6ZR329peA9VB0zKR7XEvu1tPYpvh6WMGQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3817,2606:4700:3031::ac43:affd

📝 TXT Records#

1 records   217ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (0xd.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.0xd.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 20:16:37
www104.21.56.23 172.67.175.253 2606:4700:3030::ac43:affd 2606:4700:3037::6815:3817 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

69ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2406859239
Primary NS (MNAME)clark.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-01 07:58:47
FieldValue
RegistrarSimply.com A/S
Registered2026-01-16
Expires2027-01-15 (90d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
36ms
MX
38ms
AAAA
51ms
TXT
217ms
CAA
35ms
HTTPS
58ms
TLSA
55ms
SOA
58ms
MTA-STS
53ms
DNSSEC
69ms
SRV
52ms
Total
883ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 20:16:37 1292ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 07:42:33 822ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 07:26:39 763ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 01:27:18 975ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-04 11:17:17 544ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 21:00:52 1001ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 02:44:03 1064ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 02:04:07 960ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 08:42:32 6249ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-02 18:18:53 2475ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-08 21:42:36 902ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-06 23:56:23 1158ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 00:49:12 1464ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 23:03:16 shown 883ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 12:33:45 4553ms 0 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone