merck4biosciences.dk

📜 Historical scan 2026-06-17 22:43:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

merck4biosciences.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 12 May 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

5 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (merck4biosciences.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.merck4biosciences.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:dmarcrpt@merckgroup.com;ruf=mailto:dmarcrpt@merckgroup.com;ri=86400;aspf=s;adkim=s;fo=1

📬 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 2026-10-07 21:15:39

www CNAME	chemdat.merck.de (all on merck.de)
www vs bare domain	Neither resolves merck4biosciences.dk: no address www.merck4biosciences.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

84ms

Field	Value
Serial	2024082101
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 22:13:56

Field	Value
Registrar	Key-Systems GmbH
Registered	2010-05-12
Expires	2027-05-31 (216d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

64ms

78ms

AAAA

43ms

TXT

270ms

CAA

83ms

HTTPS

40ms

TLSA

62ms

SOA

84ms

MTA-STS

91ms

DNSSEC

101ms

SRV

131ms

Total

649ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:15:39	454ms	5 NS 0 A 1 MX	🔓 Insecure
2026-06-17 22:43:54 shown	649ms	5 NS 0 A 0 MX	🔓 Insecure