retrosynth.dk

📜 Historical scan 2026-06-17 23:23:41 · ← 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 194ms

Nameserver	IP addresses	PTR	ASN / 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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.67.40	—	cp01.azehosting.net	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	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 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b02:6d4::2	—	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 243ms

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

✉️ SPF#

Policy	Record (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#

Policy	Record (_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 2026-10-28 00:07:55

www CNAME	retrosynth.dk (all on retrosynth.dk) → 157.90.67.40 2a01:4f8:2b02:6d4::2 (AS24940)
www vs bare domain	Same network retrosynth.dk: 157.90.67.40 2a01:4f8:2b02:6d4::2 (AS24940) www.retrosynth.dk: 157.90.67.40 2a01:4f8:2b02:6d4::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

71ms

Field	Value
Serial	2026061706
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-19 22:13:03

Field	Value
Registrar	1API GmbH
Registered	2024-08-22
Expires	2027-08-21 (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).

Domain	Registrar
egenai.dk	Key-Systems GmbH
friai.dk	1API GmbH
frisi.dk	1API GmbH
lmstudio.dk	1API GmbH
sitefactory.dk	1API GmbH

📋 WHOIS#

⏱️ Lookup Timing#

194ms

55ms

121ms

AAAA

126ms

TXT

243ms

CAA

82ms

HTTPS

100ms

TLSA

87ms

SOA

71ms

MTA-STS

75ms

DNSSEC

117ms

SRV

165ms

Total

691ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-28 00:07:55	690ms	3 NS 1 A 1 MX	🔓 Insecure
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	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