nemlinkbuilding.dk

📜 Historical scan 2026-09-25 04:59:36  ·  ← 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 registered on 1 November 2020 (WHOIS) and 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   43ms
NameserverIP addressesPTRASN / ISP
joan.ns.cloudflare.com 108.162.192.173
172.64.32.173
173.245.58.173
2606:4700:50::adf5:3aad
2803:f800:50::6ca2:c0ad
2a06:98c1:50::ac40:20ad		 joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com 108.162.193.197
172.64.33.197
173.245.59.197
2606:4700:58::adf5:3bc5
2803:f800:50::6ca2:c1c5
2a06:98c1:50::ac40:21c5		 lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.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
104.21.51.254 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   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.nemlinkbuilding.dk 195.242.131.85 merkur.euhosting.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.51.254
🔶 Autoconfig104.21.51.254

🔷 AAAA Records (IPv6)#

2 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:c086 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::6815:33fe 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.254,172.67.192.134 ech=AEX+DQBBzQAgACDfQjU1MidqNtPYOIT3nHNBVrBTiQHUPLH0WJStyEBGJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c086,2606:4700:3032::6815:33fe

📝 TXT Records#

1 records   169ms
TXT Record
v=spf1 include:email.freshdesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.e-studio.dk -all

✉️ SPF#

PolicyRecord (nemlinkbuilding.dk)
-all (hard fail) v=spf1 include:email.freshdesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.e-studio.dk -all

📨 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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.nemlinkbuilding.dk 0XPA_8ij_TceATN__JsRJcocE6OA2f-L7jzLBruivcQ
TXT _acme-challenge.nemlinkbuilding.dk hN8KdTvCankF3FfnDQhMwhrxQxTZckt8Ttp6yrXasgg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415775940
Primary NS (MNAME)joan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-23 00:02:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-11-01
Expires2027-07-31 (281d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
41ms
MX
32ms
AAAA
41ms
TXT
169ms
CAA
37ms
HTTPS
39ms
TLSA
63ms
SOA
0ms
MTA-STS
64ms
DNSSEC
117ms
SRV
60ms
Total
652ms

🕐 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 shown 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 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