coi.dk

Records from scan: 2026-10-04 00:38:45 · 1656ms total · last checked 2026-10-17 12:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coi.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.238 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

3 records 205ms

Nameserver	IP addresses	PTR	ASN / 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 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.238	3600s	linux327.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.238
🔶 Autoconfig	93.191.156.238

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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#

checked 2026-10-12 05:56:32

www	93.191.156.238 (AS48854) (address records, no CNAME)
www vs bare domain	Same network coi.dk: 93.191.156.238 (AS48854) www.coi.dk: 93.191.156.238 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: 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#

360ms

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

🏷️ SOA#

83ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-17 15:16:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-10-27
Expires	2027-10-26 (373d)

📋 WHOIS#

⏱️ Lookup Timing#

205ms

188ms

196ms

AAAA

187ms

TXT

498ms

CAA

130ms

HTTPS

199ms

TLSA

161ms

SOA

83ms

MTA-STS

238ms

DNSSEC

360ms

SRV

272ms

Total

1656ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 00:38:45 shown	1656ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-01 00:12:07	342ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-30 01:32:25	382ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-26 07:03:50	452ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-04 13:33:13	4358ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 21:49:52	278ms	3 NS 1 A 0 MX	⚠️ Bogus
2026-06-16 21:40:02	542ms	3 NS 1 A 0 MX	🔓 Insecure