coder1.dk

Records from scan: 2026-10-16 23:07:41  ·  751ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coder1.dk is a .dk domain served by 2 nameservers (kip.ns.cloudflare.com, lina.ns.cloudflare.com). It was registered on 16 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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   37ms
NameserverIP addressesPTRASN / ISP
kip.ns.cloudflare.com 108.162.193.128
172.64.33.128
173.245.59.128
2606:4700:58::adf5:3b80
2803:f800:50::6ca2:c180
2a06:98c1:50::ac40:2180		 kip.ns.cloudflare.com
kip.ns.cloudflare.com
kip.ns.cloudflare.com
kip.ns.cloudflare.com
kip.ns.cloudflare.com
kip.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lina.ns.cloudflare.com 108.162.192.187
172.64.32.187
173.245.58.187
2606:4700:50::adf5:3abb
2803:f800:50::6ca2:c0bb
2a06:98c1:50::ac40:20bb		 lina.ns.cloudflare.com
lina.ns.cloudflare.com
lina.ns.cloudflare.com
lina.ns.cloudflare.com
lina.ns.cloudflare.com
lina.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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.6.198 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.135.59 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.6.198
🔶 Autoconfig172.67.135.59

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:6c6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:873b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.6.198,172.67.135.59 ech=AEX+DQBBAQAgACBRMtiQD+O5i0K/7I2ZHr5mCycBiJV/z0QcLkm2cm63GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6c6,2606:4700:3033::ac43:873b

📝 TXT Records#

3 records   169ms
TXT Record
MS=013140A095AA28DB9EC7765BD425206BACB8A0A3
protonmail-verification=9aa545caeee819fde01542b581e315d9dc8d1ffa
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (coder1.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-16 23:07:41
www104.21.6.198 172.67.135.59 2606:4700:3031::6815:6c6 2606:4700:3033::ac43:873b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   145ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

31ms
FieldValue
Serial2417644513
Primary NS (MNAME)kip.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 23:19:20
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2009-09-16
Expires2027-09-30 (347d)

🔗 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
37ms
A
41ms
MX
31ms
AAAA
35ms
TXT
169ms
CAA
33ms
HTTPS
38ms
TLSA
145ms
SOA
31ms
MTA-STS
54ms
DNSSEC
110ms
SRV
57ms
Total
751ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 23:07:41 shown 751ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 07:52:34 555ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 08:20:43 722ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 06:35:31 624ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 17:50:28 631ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 17:37:16 974ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 16:02:57 6872ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 15:56:29 32858ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-19 15:07:38 1895ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-31 19:59:29 838ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 17:44:15 674ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 17:30:13 667ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 06:47:10 981ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-24 01:26:31 1781ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 21:48:52 374ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 21:40:29 499ms 2 NS 2 A 1 MX 🔓 Insecure
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