sda.dk

📜 Historical scan 2026-07-03 19:56:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sda.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.7.25.201 is hosted by Jn Data A/s (AS204607) in Denmark. Mail is handled by sda-dk.mail.protection.outlook.com. 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   49ms

🌍 A Records#

1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.7.25.201 3600s — AS204607 Jn Data A/s 195.7.24.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   48ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   210ms
TXT Record
MS=ms26383634
v=spf1 include:_senderidstd.bec.dk -all

✉️ SPF#

PolicyRecord (sda.dk)
-all (hard fail) v=spf1 include:_senderidstd.bec.dk -all

📨 DMARC#

PolicyRecord (_dmarc.sda.dk)
p=reject v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-08 03:46:02
www CNAMEsda.dk (all on sda.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

148ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2023120666
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-04 23:30:32
FieldValue
RegistrarEurodns S.A
Registered1996-04-23
Expires2027-06-30 (255d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
45ms
MX
48ms
AAAA
41ms
TXT
210ms
CAA
42ms
HTTPS
52ms
TLSA
470ms
SOA
0ms
MTA-STS
76ms
DNSSEC
148ms
SRV
81ms
Total
1476ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 03:46:02 961ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-04 08:42:48 726ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-02 08:30:26 1073ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-17 09:23:28 1468ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-04 00:55:16 9556ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-31 12:42:22 2204ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 16:32:50 1212ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 19:32:20 703ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-09 08:18:19 1701ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-01 00:35:22 1541ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-21 19:15:57 1220ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-20 17:43:55 2308ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-03 19:56:43 shown 1476ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-01 21:42:34 3781ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 02:58:27 1237ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-21 21:57:09 812ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 04:17:30 1595ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-18 06:45:46 2016ms 4 NS 1 A 1 MX 🔒 Secure
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