sjc.dk

📜 Historical scan 2026-06-27 17:54:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sjc.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 20 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.57 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, has no 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   181ms
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   202ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.57 3600s linux66.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

1 records   216ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover94.231.103.57
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   262ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   319ms
TXT Record
jRkJb8CncGNFnrIr78k3gPk7sb7kb3dDlXQ1JT_KY3w

✉️ 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#

latest probe, not this scan · checked 2026-10-10 02:01:55
www94.231.103.57 (AS48854) (address records, no CNAME)
www vs bare domainSame network
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

🔗 TLSA / DANE#

2 records   79ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

320ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

143ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-09-30 17:16:18
FieldValue
RegistrarSimply.com A/S
Registered1999-11-20
Expires2026-12-31 (74d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
181ms
A
202ms
MX
216ms
AAAA
220ms
TXT
319ms
CAA
215ms
HTTPS
212ms
TLSA
79ms
SOA
143ms
MTA-STS
264ms
DNSSEC
320ms
SRV
262ms
Total
1094ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 19:04:36 650ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 16:28:16 760ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-23 15:08:23 457ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-23 09:25:49 481ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 19:56:53 579ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-24 22:56:29 540ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 17:54:47 shown 1094ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 19:55:56 607ms 4 NS 1 A 1 MX 🔒 Secure
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