jy.dk

Records from scan: 2026-10-05 00:47:15  ·  1299ms total  ·  last checked 2026-10-25 03:22 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jy.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 191.235.208.12 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by .. The zone is DNSSEC-signed and validates, 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#

2 records   46ms
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   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
191.235.208.12 43200s — AS8075 Microsoft Corporation 191.232.0.0/13 🇮🇪 Ireland Dublin

📧 MX Records#

1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverdata4u.azurewebsites.net → 40.112.90.244
🔶 Autoconfigdata4u.azurewebsites.net → 40.112.90.244

🔷 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 2026-10-08 02:59:56
www CNAMEdata4u.azurewebsites.net (all on azurewebsites.net)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.jy.dk data4u.azurewebsites.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

34ms
FieldValue
Serial2026100401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 01:20:42
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-04-08
Expires2027-06-30 (246d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
40ms
MX
31ms
AAAA
41ms
TXT
169ms
CAA
44ms
HTTPS
29ms
TLSA
562ms
SOA
34ms
MTA-STS
105ms
DNSSEC
120ms
SRV
98ms
Total
1299ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 00:47:15 shown 1299ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 00:28:15 1422ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-03 17:54:14 1556ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-12 06:58:26 17250ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-23 16:22:41 2074ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 14:55:01 1170ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 05:23:24 1226ms 2 NS 1 A 4 MX 🔒 Secure
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