nemlinkbuilding.dk

📜 Historical scan 2026-07-08 23:49:05 · ← 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 54ms

Nameserver	IP addresses	PTR	ASN / 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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.nemlinkbuilding.dk	195.242.131.85	merkur.euhosting.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.51.254
🔶 Autoconfig	104.21.51.254

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.254,172.67.192.134 ech=AEX+DQBBsgAgACCjWPg5Gax7sBBq1oyRCejchA1uekNUOXtgc3KTnVIlHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c086,2606:4700:3032::6815:33fe

📝 TXT Records#

1 records 8204ms

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

✉️ SPF#

Policy	Record (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#

Policy	Record (_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

www	104.21.51.254 172.67.192.134 2606:4700:3031::ac43:c086 2606:4700:3032::6815:33fe (AS13335) (address records, no CNAME)
www vs bare domain	Same network nemlinkbuilding.dk: 104.21.51.254 172.67.192.134 2606:4700:3031::ac43:c086 2606:4700:3032::6815:33fe (AS13335) www.nemlinkbuilding.dk: 104.21.51.254 172.67.192.134 2606:4700:3031::ac43:c086 2606:4700:3032::6815:33fe (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

119ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2408983793
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

32ms

38ms

AAAA

53ms

TXT

8204ms

CAA

38ms

HTTPS

59ms

TLSA

107ms

SOA

0ms

MTA-STS

60ms

DNSSEC

119ms

SRV

8084ms

Total

8998ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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