udviklingscentersyd.dk

📜 Historical scan 2026-09-29 17:35:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udviklingscentersyd.dk is a .dk domain served by 2 nameservers (crystal.ns.cloudflare.com, tom.ns.cloudflare.com). It was registered on 10 September 2026 (WHOIS) and first appeared in the .dk zone on 11 September 2026. Its website address 104.21.51.28 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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   36ms
NameserverIP addressesPTRASN / ISP
crystal.ns.cloudflare.com 108.162.194.202
162.159.38.202
172.64.34.202
2606:4700:50::a29f:26ca
2803:f800:50::6ca2:c2ca
2a06:98c1:50::ac40:22ca		 crystal.ns.cloudflare.com
crystal.ns.cloudflare.com
crystal.ns.cloudflare.com
crystal.ns.cloudflare.com
crystal.ns.cloudflare.com
crystal.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tom.ns.cloudflare.com 108.162.193.147
172.64.33.147
173.245.59.147
2606:4700:58::adf5:3b93
2803:f800:50::6ca2:c193
2a06:98c1:50::ac40:2193		 tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.ns.cloudflare.com
tom.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   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.28 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.220.4 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:dc04 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::6815:331c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   45ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.28,172.67.220.4 ech=AEX+DQBB9QAgACBlQvng91BMb4/gAuiWoH+7mBpJqIejZ9jbc52RAZZLSwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dc04,2606:4700:3034::6815:331c

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

latest probe, not this scan · checked 2026-10-08 04:34:43
www104.21.51.28 172.67.220.4 2606:4700:3030::ac43:dc04 2606:4700:3034::6815:331c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

49ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415487035
Primary NS (MNAME)crystal.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 02:36:33
FieldValue
RegistrarSoluciones Corporativas IP, SL
Registered2026-09-10
Expires2027-09-09 (326d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
32ms
MX
30ms
AAAA
29ms
TXT
170ms
CAA
40ms
HTTPS
45ms
TLSA
44ms
SOA
0ms
MTA-STS
63ms
DNSSEC
49ms
SRV
54ms
Total
403ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 04:34:43 427ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 17:35:13 shown 403ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-23 15:07:59 710ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-18 13:33:19 1933ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-11 10:41:00 2958ms 1 NS 0 A 0 MX ❓ Unknown
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