cosyco.dk

📜 Historical scan 2026-06-25 13:30:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cosyco.dk is a .dk domain served by 5 nameservers (dns1.dk, dns2.dk, dns3.dk and 2 more). It was registered on 11 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.34.148.5 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.cosyco.dk. The zone is DNSSEC-signed and validates, 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 303ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.dk	157.180.70.219 2a01:4f9:c010:8c6b::1	dns1.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
dns2.dk	159.69.0.170 2a01:4f8:1c0c:5955::1	dns2.dk dns2.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
dns3.dk	2a01:4ff:f0:45b8::1 5.161.204.178	dns3.dk dns3.dk	AS213230 Hetzner Online GmbH AS213230 Hetzner Online GmbH
dns4.dk	2a01:4ff:2f0:31b6::1 5.223.66.142	dns4.dk dns4.dk	AS215859 Hetzner Online GmbH AS215859 Hetzner Online GmbH
dns5.dk	168.119.185.218 2a01:4f8:c010:3311::1	dns5.dk dns5.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 408ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.34.148.5	3600s	cyclops.bornhosting.dk	AS24940	Hetzner Online GmbH	188.34.128.0/17	🇩🇪 Germany	—

📧 MX Records#

1 records 365ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.cosyco.dk	188.34.148.5 2a01:4f8:fff0:93::5	cyclops.bornhosting.dk cyclops.bornhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 327ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:fff0:93::5	3600s	cyclops.bornhosting.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 1012ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	1	443	discover.isplogin.dk

📝 TXT Records#

1 records 803ms

TXT Record
v=spf1 mx include:_spf.bornhosting.dk -all

✉️ SPF#

Policy	Record (cosyco.dk)
-all (hard fail)	v=spf1 mx include:_spf.bornhosting.dk -all

📨 DMARC#

Policy	Record (_dmarc.cosyco.dk)
p=reject	v=DMARC1; p=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 275ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 10:19:44

www	188.34.148.5 2a01:4f8:fff0:93::5 (AS24940) (address records, no CNAME)
www vs bare domain	Same network cosyco.dk: 188.34.148.5 2a01:4f8:fff0:93::5 (AS24940) www.cosyco.dk: 188.34.148.5 2a01:4f8:fff0:93::5 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

460ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

288ms

Field	Value
Serial	2026062102
Primary NS (MNAME)	dns1.dk
Responsible (RNAME)	support@bornhosting.dk
Refresh	7200s
Retry	540s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 21:09:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-03-11
Expires	2027-03-10 (144d)

📋 WHOIS#

⏱️ Lookup Timing#

303ms

408ms

365ms

AAAA

327ms

TXT

803ms

CAA

275ms

HTTPS

268ms

TLSA

287ms

SOA

288ms

MTA-STS

355ms

DNSSEC

460ms

SRV

1012ms

Total

4451ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:19:44	603ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-11 09:45:36	2083ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-06 20:37:40	2816ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-01 17:03:01	570ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-26 16:22:33	934ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:49:10	1676ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-17 07:40:34	1229ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-09 15:29:49	1238ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-04 11:00:39	1056ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-31 16:57:33	1878ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-25 05:44:30	9876ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-21 00:25:51	2844ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-15 23:35:06	1435ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-11 17:50:51	10014ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-05 10:38:31	1078ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-26 21:03:49	18229ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-21 14:11:17	1743ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-17 01:00:21	1948ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-14 08:18:09	3238ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-06 18:02:36	2030ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-03 12:01:21	1272ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-26 18:02:46	2316ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-26 08:29:49	1290ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:30:06 shown	4451ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:49:40	1180ms	0 NS 0 A 0 MX	❓ Unknown