0xd.dk

Records from scan: 2026-10-11 20:16:37  ·  1292ms total  ·  last checked 2026-10-16 03:30 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
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   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.56.23 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.175.253 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s 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   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:affd 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:3817 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.56.23,172.67.175.253 ech=AEX+DQBBCQAgACBktyLuKLIyoZDaL//k6pE/9zEEOkXrfdxU4oRwGoTeHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:affd,2606:4700:3037::6815:3817

📝 TXT Records#

1 records   184ms
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#

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#

3 records   65ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

34ms
FieldValue
Serial2417227256
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
38ms
A
44ms
MX
40ms
AAAA
33ms
TXT
184ms
CAA
33ms
HTTPS
33ms
TLSA
65ms
SOA
34ms
MTA-STS
52ms
DNSSEC
118ms
SRV
67ms
Total
1292ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 20:16:37 shown 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 883ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 12:33:45 4553ms 0 NS 2 A 0 MX 🔓 Insecure
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