cotta.dk

📜 Historical scan 2026-07-01 20:25:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cotta.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.52.48.224 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by cotta.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.52.48.224	43200s	86-52-48-224.norlyscustomer.net	AS39642	Sinal A/S	86.52.0.0/16	🇩🇰 Denmark	Silkeborg

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	cotta.dk	86.52.48.224	86-52-48-224.norlyscustomer.net	AS39642 Sinal A/S

🔷 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#

Policy	Record (_dmarc.cotta.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:post@cotta.dk

📬 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 2026-10-10 20:13:39

www CNAME	cotta.dk (all on cotta.dk) → 86.52.48.224 (AS39642)
www vs bare domain	Same network cotta.dk: 86.52.48.224 (AS39642) www.cotta.dk: 86.52.48.224 (AS39642)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-26 14:21:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-07-08
Expires	2027-07-31 (277d)

🔗 Same registrant#

3 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
downsnordjylland.dk	ONE.COM A/S
mosolff.dk	Punktum dk A/S (direct)
sinclair.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

66ms

31ms

AAAA

72ms

TXT

119ms

CAA

68ms

HTTPS

65ms

TLSA

275ms

SOA

0ms

MTA-STS

72ms

DNSSEC

129ms

SRV

71ms

Total

708ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 15:02:00	1117ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:00:15	1218ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:54:44	549ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 17:14:24	507ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:00:42	903ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-02 17:53:07	730ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 06:20:37	4731ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 20:25:42 shown	708ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 19:54:33	619ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:35:34	2574ms	2 NS 1 A 1 MX	🔒 Secure