learnbyjan.dk

📜 Historical scan 2026-06-24 19:15:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

learnbyjan.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.120 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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#

2 records   358ms
NameserverIP addressesPTRASN / 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   348ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.241.120 3600s webcluster2.wordpresspod2-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   324ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover77.111.241.120
🔶 Autoconfig77.111.241.120

🔷 AAAA Records (IPv6)#

1 records   220ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:104:80c1:76c5:14da:9cba 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   935ms
TXT Record
v=spf1 include:_custspf.one.com include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (learnbyjan.dk)
~all (soft fail) v=spf1 include:_custspf.one.com include:_spf.google.com ~all

📨 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#

latest probe, not this scan · checked 2026-10-15 02:38:53
www77.111.241.120 2a02:2350:5:104:80c1:76c5:14da:9cba (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   722ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC#

517ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

250ms
FieldValue
Serial2026060401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 12:01:10
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-05-03
Expires2027-05-31 (225d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
358ms
A
348ms
MX
324ms
AAAA
220ms
TXT
935ms
CAA
290ms
HTTPS
241ms
TLSA
722ms
SOA
250ms
MTA-STS
345ms
DNSSEC
517ms
SRV
440ms
Total
3070ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 00:59:49 523ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-17 22:48:24 2487ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-07 19:23:17 1352ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 16:55:03 15802ms 2 NS 0 A 4 MX 🔒 Secure
2026-08-28 07:09:11 843ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 09:16:42 1002ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-25 14:14:41 1916ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-24 21:29:30 1550ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 09:25:42 659ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 19:15:39 shown 3070ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 22:02:07 917ms 2 NS 1 A 4 MX 🔒 Secure
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