en1.dk

📜 Historical scan 2026-08-26 22:33:30  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

en1.dk is a .dk domain served by 2 nameservers (abdullah.ns.cloudflare.com, piper.ns.cloudflare.com). It was registered on 12 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.51 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mailcow.en1.dk. 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   70ms
NameserverIP addressesPTRASN / ISP
abdullah.ns.cloudflare.com 108.162.195.203
162.159.44.203
172.64.35.203
2606:4700:58::a29f:2ccb
2803:f800:50::6ca2:c3cb
2a06:98c1:50::ac40:23cb		 abdullah.ns.cloudflare.com
abdullah.ns.cloudflare.com
abdullah.ns.cloudflare.com
abdullah.ns.cloudflare.com
abdullah.ns.cloudflare.com
abdullah.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
piper.ns.cloudflare.com 108.162.194.35
162.159.38.35
172.64.34.35
2606:4700:50::a29f:2623
2803:f800:50::6ca2:c223
2a06:98c1:50::ac40:2223		 piper.ns.cloudflare.com
piper.ns.cloudflare.com
piper.ns.cloudflare.com
piper.ns.cloudflare.com
piper.ns.cloudflare.com
piper.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   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.5.51 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.132.252 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mailcow.en1.dk 91.99.134.207 static.207.134.99.91.clients.your-server.de AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermailcow.en1.dk → 91.99.134.207
🔶 Autoconfigmailcow.en1.dk → 91.99.134.207

🔷 AAAA Records (IPv6)#

2 records   60ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::6815:533 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:84fc 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   56ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.5.51,172.67.132.252 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:533,2606:4700:3037::ac43:84fc

🔌 SRV Records#

1 records   136ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 mailcow.en1.dk

📝 TXT Records#

1 records   312ms
TXT Record
v=spf1 ip4:91.99.134.207 ~all

✉️ SPF#

PolicyRecord (en1.dk)
~all (soft fail) v=spf1 ip4:91.99.134.207 ~all

📨 DMARC#

PolicyRecord (_dmarc.en1.dk)
p=none (monitor only) v=DMARC1; p=none

📬 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 04:00:22
www104.21.5.51 172.67.132.252 2606:4700:3035::6815:533 2606:4700:3037::ac43:84fc (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~2048 bit

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: 0/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records   118ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailcow.en1.dk DANE-EE · SPKI · SHA-256 1CC33EACD6E461EAD863AEC4C350C0B9…
SMTP _25._tcp.mailcow.en1.dk DANE-EE · SPKI · SHA-256 FF451B9658BAC58654C92A17C15AF204…

🔐 DNSSEC#

2088ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2410972405
Primary NS (MNAME)abdullah.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 20:45:53
FieldValue
RegistrarDANDOMAIN A/S
Registered2025-06-12
Expires2027-06-11 (235d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
70ms
A
61ms
MX
66ms
AAAA
60ms
TXT
312ms
CAA
61ms
HTTPS
56ms
TLSA
118ms
SOA
0ms
MTA-STS
758ms
DNSSEC
2088ms
SRV
136ms
Total
3044ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 16:58:28 1162ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 04:11:43 603ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 20:32:49 2117ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 19:07:47 3033ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 15:07:40 10049ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-06 22:14:00 1098ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 22:33:30 shown 3044ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 19:48:27 6374ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-31 20:00:01 1238ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-22 22:10:34 1055ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 07:21:26 630ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 07:21:10 2511ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone