17a.dk

Records from scan: 2026-10-03 08:16:32  ·  352ms total  ·  last checked 2026-10-15 20:10 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

17a.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 13 July 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. 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   31ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.17 3600s splash.dandomain.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —

📧 MX Records#

2 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 3600s mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfigautoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   123ms
TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

PolicyRecord (17a.dk)
?all (neutral) v=spf1 include:spf.dandomain.dk ?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#

checked 2026-10-10 11:29:51
www212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

30ms
FieldValue
Serial2021060100
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-06 09:05:26
FieldValue
RegistrarDANDOMAIN A/S
Registered2020-07-13
Expires2027-07-31 (287d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
31ms
MX
29ms
AAAA
38ms
TXT
123ms
CAA
34ms
HTTPS
28ms
TLSA
51ms
SOA
30ms
MTA-STS
53ms
DNSSEC
63ms
SRV
49ms
Total
352ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 08:16:32 shown 352ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 02:39:46 333ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-26 22:38:03 634ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-23 10:36:26 578ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 12:48:26 655ms 2 NS 1 A 2 MX 🔒 Secure
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