d20.dk

📜 Historical scan 2026-06-16 23:31:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

d20.dk is a .dk domain served by 2 nameservers (nataly.ns.cloudflare.com, pranab.ns.cloudflare.com). It was registered on 2 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.224 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. 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   44ms
NameserverIP addressesPTRASN / ISP
nataly.ns.cloudflare.com — — —
pranab.ns.cloudflare.com — — —

🌍 A Records#

2 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.94.224 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.140.219 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 — route3.mx.cloudflare.net 162.159.205.23
162.159.205.24
162.159.205.25		 route3.mx.cloudflare.net
route3.mx.cloudflare.net
route3.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
50 — route2.mx.cloudflare.net 162.159.205.17
162.159.205.18
162.159.205.19		 route2.mx.cloudflare.net
route2.mx.cloudflare.net
route2.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
56 — route1.mx.cloudflare.net 162.159.205.11
162.159.205.12
162.159.205.13		 route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records   42ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:5ee0 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:8cdb — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   40ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.94.224,172.67.140.219 ech=AEX+DQBBxAAgACDj7TsM1XQ2Je0M+m3yUJPxgZYPa5bYDBn/ZlIFcoqSfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5ee0,2606:4700:3035::ac43:8cdb

📝 TXT Records#

1 records   144ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

PolicyRecord (d20.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

PolicyRecord (_dmarc.d20.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 05:22:29
www188.114.96.1 188.114.97.1 2606:4700:3031::6815:5ee0 2606:4700:3032::ac43:8cdb (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

6 found
SelectorCNAMEKey
default — Revoked (empty key)
dkim — Revoked (empty key)
k1 — Revoked (empty key)
mail — Revoked (empty key)
s1 — Revoked (empty key)
s2 — Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records   48ms
Service / OwnerTypeCert association
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

40ms
FieldValue
Serial2405943935
Primary NS (MNAME)nataly.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 07:28:01
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-09-02
Expires2027-09-01 (319d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
imr.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
42ms
MX
42ms
AAAA
42ms
TXT
144ms
CAA
40ms
HTTPS
40ms
TLSA
48ms
SOA
40ms
MTA-STS
35ms
DNSSEC
120ms
SRV
0ms
Total
845ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 03:47:51 1966ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-29 03:40:01 1149ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-16 18:39:57 1244ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-07 22:13:44 2139ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-16 07:40:42 2032ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-26 18:00:50 1280ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 23:35:56 3488ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-16 23:31:06 shown 845ms 2 NS 2 A 3 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone