nemlinkbuilding.dk

📜 Historical scan 2026-08-28 19:47:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nemlinkbuilding.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.254 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.nemlinkbuilding.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   28ms

🌍 A Records#

2 records   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.254 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.192.134 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   27ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.51.254
🔶 Autoconfig104.21.51.254

🔷 AAAA Records (IPv6)#

2 records   36ms

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.254,172.67.192.134 ech=AEX+DQBBwwAgACD1jDIxGPcMeawKWPxHFkCogkYtT+owpFWGA2KkiY1VTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c086,2606:4700:3032::6815:33fe

📝 TXT Records#

1 records   158ms
TXT Record
v=spf1 include:email.freshdesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.e-studio.dk -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.nemlinkbuilding.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:kontakt@nemlinkbuilding.dk;

📬 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 2026-10-15 16:23:42
www104.21.51.254 172.67.192.134 2606:4700:3031::ac43:c086 2606:4700:3032::6815:33fe (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 10/10 · policy: -all

  • warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413345532
Primary NS (MNAME)joan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
25ms
MX
27ms
AAAA
36ms
TXT
158ms
CAA
28ms
HTTPS
35ms
TLSA
62ms
SOA
0ms
MTA-STS
42ms
DNSSEC
98ms
SRV
55ms
Total
593ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 16:23:42 1715ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 11:19:41 569ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 05:11:12 1580ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 04:59:36 652ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 04:21:32 795ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-07 10:34:50 1955ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 19:47:42 shown 593ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 11:21:40 637ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 03:31:33 1089ms 2 NS 2 A 1 MX ❓ Unknown
2026-08-05 04:02:46 2023ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-10 22:14:41 1035ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-08 23:49:05 8998ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 20:42:20 2525ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 09:29:33 767ms 2 NS 2 A 1 MX ❓ Unknown
2026-06-17 21:25:53 788ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone