rt41.dk

📜 Historical scan 2026-08-26 14:56:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rt41.dk is a .dk domain served by 2 nameservers (ns1.siteground.net, ns2.siteground.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.164.162 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and 1 more. The zone is not DNSSEC-signed, 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#

2 records   51ms

🌍 A Records#

1 records   48ms

📧 MX Records#

3 records   59ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover35.214.164.162
🔶 Autoconfig35.214.164.162

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   361ms
TXT Record
v=spf1 +a +mx +a:esm17.siteground.biz include:rt41.dk.spf.auto.dnssmarthost.net ~all

✉️ SPF#

PolicyRecord (rt41.dk)
~all (soft fail) v=spf1 +a +mx +a:esm17.siteground.biz include:rt41.dk.spf.auto.dnssmarthost.net ~all

📨 DMARC#

PolicyRecord (_dmarc.rt41.dk)
p=none (monitor only) v=DMARC1; p=none; aspf=r; adkim=r;

📬 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 2026-10-09 12:31:50
www CNAMErt41.dk (all on rt41.dk)
www vs bare domainSame network
rt41.dk: 35.214.164.162 (AS15169)
www.rt41.dk: 35.214.164.162 (AS15169)
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default rt41.dk.default.dkim.auto.dnssmarthost.net RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2020011789
Primary NS (MNAME)ns1.siteground.net
Responsible (RNAME)root@esm17.siteground.biz
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
51ms
A
48ms
MX
59ms
AAAA
83ms
TXT
361ms
CAA
96ms
HTTPS
91ms
TLSA
120ms
SOA
0ms
MTA-STS
104ms
DNSSEC
115ms
SRV
138ms
Total
920ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:31:50 664ms 2 NS 1 A 3 MX 🔓 Insecure
2026-10-03 11:26:01 1249ms 2 NS 1 A 3 MX 🔓 Insecure
2026-09-12 08:19:59 2089ms 2 NS 1 A 3 MX 🔓 Insecure
2026-09-04 03:59:10 885ms 2 NS 1 A 3 MX 🔓 Insecure
2026-08-27 16:26:08 2693ms 2 NS 1 A 3 MX 🔓 Insecure
2026-08-26 14:56:40 shown 920ms 2 NS 1 A 3 MX 🔓 Insecure
2026-07-08 15:30:27 1327ms 2 NS 1 A 3 MX 🔓 Insecure
2026-07-02 14:03:28 9616ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-23 04:25:22 1149ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-23 00:34:06 1185ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 04:48:03 8363ms 2 NS 1 A 3 MX 🔓 Insecure
2026-06-17 22:14:23 3271ms 2 NS 1 A 3 MX 🔓 Insecure
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