merckserono.dk

📜 Historical scan 2026-10-02 15:27:56  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

merckserono.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 28 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.84.50.24 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mxa-005f4802.gslb.pphosted.com, mxb-005f4802.gslb.pphosted.com. 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#

5 records   46ms
NameserverIP addressesPTRASN / 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#

4 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.84.50.24 60s server-52-84-50-24.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.73 60s server-52-84-50-73.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.9 60s server-52-84-50-9.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.91 60s server-52-84-50-91.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —

📧 MX Records#

2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mxa-005f4802.gslb.pphosted.com 205.220.184.35 mx07-005f4802.pphosted.com AS52129 Proofpoint, Inc.
10 300s mxb-005f4802.gslb.pphosted.com 205.220.184.35 mx07-005f4802.pphosted.com AS52129 Proofpoint, Inc.

🔷 AAAA Records (IPv6)#

8 records   68ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2600:9000:2016:5e00:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:6400:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:6a00:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:ae00:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:d800:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:ee00:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:f400:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:2016:fa00:b:3995:2d80:93a1 60s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   223ms
TXT Record
MS=ms58908753
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_reports@m.group; ruf=mailto:dmarc_reports@m.group
v=spf1 include:spf-005f4802.pphosted.com include:spf.protection.outlook.com ~all

✉️ SPF#

PolicyRecord (merckserono.dk)
~all (soft fail) v=spf1 include:spf-005f4802.pphosted.com include:spf.protection.outlook.com ~all

📨 DMARC#

PolicyRecord (_dmarc.merckserono.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; fo=1; rua=mailto:dmarc_reports@m.group; ruf=mailto:dmarc_reports@m.group
p=reject v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_reports@m.group; ruf=mailto:dmarc_reports@m.group

📬 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 2026-10-08 23:27:39
www CNAMEd2pipten4j2n5i.cloudfront.net (all on cloudfront.net)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

42ms
FieldValue
Serial2026072102
Primary NS (MNAME)ns1.brandshelter.com
Responsible (RNAME)tech@brandshelter.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-22 06:56:24
FieldValue
RegistrarKey-Systems GmbH
Registered2006-12-28
Expires2026-12-31 (69d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
mavenclad.dkKey-Systems GmbH
merck.dkKey-Systems GmbH
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
51ms
MX
52ms
AAAA
68ms
TXT
223ms
CAA
51ms
HTTPS
35ms
TLSA
2021ms
SOA
42ms
MTA-STS
73ms
DNSSEC
78ms
SRV
71ms
Total
2890ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 23:27:39 4701ms 5 NS 4 A 2 MX 🔓 Insecure
2026-10-02 15:27:56 shown 2890ms 5 NS 4 A 2 MX 🔓 Insecure
2026-09-22 22:48:58 10458ms 5 NS 4 A 2 MX 🔓 Insecure
2026-08-27 17:14:04 2859ms 5 NS 4 A 2 MX 🔓 Insecure
2026-07-22 10:33:21 25878ms 5 NS 4 A 2 MX 🔓 Insecure
2026-07-16 10:45:36 1835ms 5 NS 2 A 2 MX 🔓 Insecure
2026-07-04 23:40:43 10788ms 5 NS 2 A 2 MX 🔓 Insecure
2026-06-17 23:39:26 834ms 5 NS 2 A 2 MX 🔓 Insecure
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