trainyourbrain.dk

📜 Historical scan 2026-06-18 03:38:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

trainyourbrain.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.178 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by trainyourbrain.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#

4 records   30ms
NameserverIP addressesPTRASN / 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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   93ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.200.90.178 — web6.e-studio.dk AS62121 Christian Ebsen ApS 193.200.90.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 — trainyourbrain.dk 193.200.90.178 web6.e-studio.dk AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover193.200.90.178
🔶 Autoconfig193.200.90.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   290ms
TXT Record
v=DMARC1; p=none;
v=spf1 +mx +a +ip4:193.200.90.178 +include:_spf.e-studio.dk ~all

✉️ SPF#

PolicyRecord (trainyourbrain.dk)
~all (soft fail) v=spf1 +mx +a +ip4:193.200.90.178 +include:_spf.e-studio.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.trainyourbrain.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@trainyourbrain.dk; ruf=mailto:dmarc@trainyourbrain.dk; sp=none; aspf=r;

📬 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 2026-10-12 21:34:18
www CNAMEtrainyourbrain.dk (all on trainyourbrain.dk)
www vs bare domainSame network
trainyourbrain.dk: 193.200.90.178 (AS62121)
www.trainyourbrain.dk: 193.200.90.178 (AS62121)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

114ms
FieldValue
Serial2025110600
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
93ms
MX
52ms
AAAA
46ms
TXT
290ms
CAA
32ms
HTTPS
44ms
TLSA
105ms
SOA
114ms
MTA-STS
63ms
DNSSEC
85ms
SRV
145ms
Total
734ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 21:34:18 522ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-01 08:03:49 591ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 19:44:30 672ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 03:38:14 shown 734ms 4 NS 1 A 1 MX 🔒 Secure
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