cogito.dk

Records from scan: 2026-10-13 12:03:46 · 646ms total · last checked 2026-10-17 20:34 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cogito.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.107.248 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a 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 32ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.248	3600s	nt17.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

7 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	2497s	aspmx.l.google.com	173.194.220.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lk-in-f26.1e100.net lf-in-f27.1e100.net lf-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	2497s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	2497s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	2497s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	2497s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	2497s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	2497s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.107.248
🔶 Autoconfig	94.231.107.248

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 125ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (cogito.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.cogito.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@cogito.dk

📬 MTA-STS#

92ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20261005T2302
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@cogito.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-13 12:03:46

www	94.231.107.248 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cogito.dk: 94.231.107.248 (AS48854) www.cogito.dk: 94.231.107.248 (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026101200
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 2026-10-07 21:21:50

Field	Value
Registrar	Simply.com A/S
Registered	2000-07-04
Expires	2031-09-30 (1808d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

43ms

33ms

AAAA

43ms

TXT

125ms

CAA

40ms

HTTPS

59ms

TLSA

90ms

SOA

40ms

MTA-STS

92ms

DNSSEC

68ms

SRV

57ms

Total

646ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 12:03:46 shown	646ms	3 NS 1 A 7 MX	🔒 Secure
2026-10-07 21:13:04	4278ms	3 NS 1 A 7 MX	🔒 Secure
2026-10-06 21:07:47	2622ms	3 NS 1 A 7 MX	🔒 Secure
2026-10-01 12:26:19	969ms	3 NS 1 A 7 MX	🔒 Secure
2026-09-30 12:20:24	627ms	3 NS 1 A 7 MX	🔒 Secure
2026-09-25 22:40:40	697ms	3 NS 1 A 7 MX	🔒 Secure
2026-09-16 06:46:09	732ms	3 NS 1 A 7 MX	🔒 Secure
2026-08-26 10:26:37	1055ms	3 NS 1 A 7 MX	🔒 Secure
2026-06-19 19:17:55	788ms	3 NS 1 A 7 MX	🔒 Secure
2026-06-16 21:50:00	595ms	3 NS 1 A 7 MX	🔒 Secure
2026-06-16 21:40:49	761ms	3 NS 1 A 7 MX	🔒 Secure