rebismart.dk

Records from scan: 2026-08-28 10:40:21  ·  1295ms total  ·  last checked 2026-10-19 22:33 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rebismart.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 5 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.84.50.3 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   57ms
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   88ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.84.50.3 60s server-52-84-50-3.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.32 60s server-52-84-50-32.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.69 60s server-52-84-50-69.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —
52.84.50.99 60s server-52-84-50-99.osl50.r.cloudfront.net AS16509 Amazon.com, Inc. 52.84.0.0/15 🇺🇸 United States —

📧 MX Records#

1 records   76ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverd12udl99gk4j9h.cloudfront.net → 3.174.18.62
🔶 Autoconfigd12udl99gk4j9h.cloudfront.net → 3.174.18.62

🔷 AAAA Records (IPv6)#

8 records   54ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2600:9000:223f:0:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:2000:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:7a00:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:ac00:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:b000:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:c600:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:e00:12:6fb7:a140:93a1 600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:223f:fe00:12:6fb7:a140:93a1 600s — 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#

1 records   244ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (rebismart.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.rebismart.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 2026-10-08 10:12:32
www CNAMEd12udl99gk4j9h.cloudfront.net (all on cloudfront.net)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.rebismart.dk d12udl99gk4j9h.cloudfront.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026070802
Primary NS (MNAME)ns1.brandshelter.com
Responsible (RNAME)tech@brandshelter.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-11 22:05:20
FieldValue
RegistrarKey-Systems GmbH
Registered2009-03-05
Expires2027-03-31 (161d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
57ms
A
88ms
MX
76ms
AAAA
54ms
TXT
244ms
CAA
57ms
HTTPS
73ms
TLSA
192ms
SOA
0ms
MTA-STS
132ms
DNSSEC
133ms
SRV
108ms
Total
1295ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-08-28 10:40:21 shown 1295ms 5 NS 4 A 1 MX 🔓 Insecure
2026-07-09 06:22:27 1464ms 5 NS 4 A 1 MX 🔓 Insecure
2026-07-04 21:26:04 1662ms 5 NS 2 A 1 MX 🔓 Insecure
2026-06-23 00:10:23 1065ms 5 NS 2 A 1 MX 🔓 Insecure
2026-06-17 13:04:43 2921ms 5 NS 2 A 0 MX 🔓 Insecure
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