merck4biosciences.dk

Records from scan: 2026-10-07 21:15:39 · 454ms total · last checked 2026-10-26 14:44 (unchanged)

⬇ 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. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 43ms

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#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 220ms

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#

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#

56ms

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#

55ms

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#

43ms

34ms

31ms

AAAA

38ms

TXT

220ms

CAA

52ms

HTTPS

36ms

TLSA

47ms

SOA

55ms

MTA-STS

63ms

DNSSEC

56ms

SRV

68ms

Total

454ms

🕐 Scan History#

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