rethinkable.dk

📜 Historical scan 2026-06-20 06:49:32  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rethinkable.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.158.231.158 is hosted by Scaleway SAS (AS12876) in The Netherlands. The zone is not DNSSEC-signed, has no 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#

3 records   2053ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   2063ms
IPTTLPTRASNISP / OrgCIDRCountryCity
51.158.231.158 3599s 158-231-158-51.instances.scw.cloud AS12876 Scaleway SAS 51.158.0.0/15 🇳🇱 The Netherlands Haarlem

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

1 records   2062ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:bc8:5090:d:: 3600s 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.0.0.9.0.5.8.c.b.0.1.0.0.2.lb.nl-ams.scw.cloud AS12876 Scaleway SAS 2001:bc8:0:0:0:0:0:0/32 🇳🇱 The Netherlands Amsterdam

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 13:01:57
www CNAMEedgec726c876-gateway.functions.fnc.nl-ams.scw.cloud (all on scw.cloud)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2074ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

192ms
FieldValue
Serial2026061100
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-14 14:55:54
FieldValue
RegistrarSimply.com A/S
Registered2023-01-28
Expires2027-01-27 (99d)

🔗 Same registrant#

1 domain

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
cc42.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
2053ms
A
2063ms
MX
206ms
AAAA
2062ms
TXT
4507ms
CAA
104ms
HTTPS
2075ms
TLSA
561ms
SOA
192ms
MTA-STS
74ms
DNSSEC
2074ms
SRV
2088ms
Total
5362ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 13:01:57 1630ms 3 NS 1 A 0 MX 🔓 Insecure
2026-10-02 06:28:49 2068ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-25 05:02:54 819ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-04 13:35:18 697ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-27 11:36:12 1078ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-27 07:23:42 4446ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-23 22:02:58 1185ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 06:49:32 shown 5362ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-17 19:33:44 687ms 3 NS 1 A 0 MX 🔓 Insecure
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