retrosynth.dk

📜 Historical scan 2026-10-12 11:33:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

retrosynth.dk is a .dk domain served by 3 nameservers (ns1.azehosting.net, ns2.azehosting.net, ns3.azehosting.net). It was registered on 22 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 12 October 2026, when it moved from direct registration at Punktum to 1API GmbH. Its website address 157.90.67.40 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.retrosynth.dk. 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#

3 records   314ms
NameserverIP addressesPTRASN / ISP
ns1.azehosting.net 2a01:4f8:13b:3146::1
94.130.138.185		 —
ns1.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.azehosting.net 2a01:4f8:c17:5f0a::2
88.99.15.5		 ns2.azehosting.net
ns2.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns3.azehosting.net 2a01:4f8:c17:6a6e::2
88.99.39.181		 ns3.azehosting.net
ns3.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   444ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.90.67.40 3600s cp01.azehosting.net AS24940 Hetzner Online GmbH 157.90.0.0/16 🇩🇪 Germany Falkenstein

📧 MX Records#

1 records   460ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.retrosynth.dk 157.90.67.40
2a01:4f8:2b02:6d4::2		 cp01.azehosting.net
cp01.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records   459ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:2b02:6d4::2 3600s cp01.azehosting.net AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   763ms
TXT Record
v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 +a +mx ~all

✉️ SPF#

PolicyRecord (retrosynth.dk)
~all (soft fail) v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 +a +mx ~all

📨 DMARC#

PolicyRecord (_dmarc.retrosynth.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-26 19:07:40
www CNAMEretrosynth.dk (all on retrosynth.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.retrosynth.dk rm4tVRLMuGcpVrnZ-ywcraGRouWkndXB4aUExiKkAfs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

578ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

108ms
FieldValue
Serial2026101202
Primary NS (MNAME)ns1.azehosting.net
Responsible (RNAME)server-admin@azehosting.net
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-19 22:13:03
FieldValue
Registrar1API GmbH
Registered2024-08-22
Expires2027-08-21 (297d)

🔗 Same registrant#

5 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
egenai.dkKey-Systems GmbH
friai.dk1API GmbH
frisi.dk1API GmbH
lmstudio.dk1API GmbH
sitefactory.dk1API GmbH
📋 WHOIS#

⏱️ Lookup Timing#

NS
314ms
A
444ms
MX
460ms
AAAA
459ms
TXT
763ms
CAA
441ms
HTTPS
441ms
TLSA
144ms
SOA
108ms
MTA-STS
501ms
DNSSEC
578ms
SRV
490ms
Total
1567ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-26 19:07:40 2217ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-25 02:35:01 636ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-23 23:05:22 621ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-22 19:14:31 683ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-21 01:22:09 1267ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-19 21:45:30 629ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-18 21:07:25 1461ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-17 20:23:36 1425ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-16 19:09:42 603ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-15 18:34:12 1983ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-13 15:45:02 1185ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-12 11:33:02 shown 1567ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-11 10:56:55 613ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-10 08:32:23 813ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-09 02:42:58 1779ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-08 02:24:49 2449ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-07 02:15:46 1346ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-06 00:18:42 759ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-05 00:12:15 1826ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-03 23:55:17 921ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-02 23:54:22 586ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-01 23:51:21 580ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-30 23:44:42 1569ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-29 23:33:53 1405ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-28 23:15:50 772ms 3 NS 1 A 1 MX 🔓 Insecure
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