rt9.dk

📜 Historical scan 2026-09-26 12:06:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rt9.dk is a .dk domain served by 2 nameservers (ns1.designrus.dk, ns2.designrus.dk). It was registered on 27 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.120.222 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   28ms
NameserverIP addressesPTRASN / ISP
ns1.designrus.dk 176.9.4.22
2a01:4f8:141:3416::2		 server1.designrus.dk
server1.designrus.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.designrus.dk 2a01:4f8:242:5649::2
49.12.124.182		 server2.designrus.dk
server2.designrus.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.120.222 3600s server4.designrus.dk AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein

📧 MX Records#

5 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
1 900s aspmx.l.google.com 2a00:1450:4010:c0b::1b
2a00:1450:4010:c0b::1b
64.233.165.26		 lo-in-f27.1e100.net
lo-in-x1b.1e100.net
lg-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 900s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 900s alt2.aspmx.l.google.com.rt9.dk 2a01:4f8:242:52a0::2
49.12.120.222		 server4.designrus.dk
server4.designrus.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
10 900s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 900s alt4.aspmx.l.google.com 108.177.125.27
2404:6800:4008:c01::1a		 tp-in-f27.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverrt9.dk → 49.12.120.222
🔶 Autoconfigdiscover.designrus.dk → 49.12.124.182

🔷 AAAA Records (IPv6)#

1 records   56ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:242:52a0::2 3600s server4.designrus.dk AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   975ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 1 1 443 discover.designrus.dk

📝 TXT Records#

1 records   284ms
TXT Record
v=spf1 mx a include:_spf.designrus.dk include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (rt9.dk)
~all (soft fail) v=spf1 mx a include:_spf.designrus.dk include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.rt9.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:postmaster@rt9.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records   52ms
FlagsTagValue
0 issue letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 18:43:12
www49.12.120.222 2a01:4f8:242:52a0::2 (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.rt9.dk rt9.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9072ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026092402
Primary NS (MNAME)ns1.designrus.dk
Responsible (RNAME)admin@designrus.dk
Refresh1200s
Retry540s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-10 19:18:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-05-27
Expires2027-05-31 (226d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
52ms
MX
58ms
AAAA
56ms
TXT
284ms
CAA
52ms
HTTPS
58ms
TLSA
349ms
SOA
0ms
MTA-STS
70ms
DNSSEC
9072ms
SRV
975ms
Total
9901ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 18:43:12 951ms 2 NS 1 A 5 MX 🔓 Insecure
2026-10-05 13:00:14 2873ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-29 12:39:26 1182ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-26 12:06:48 shown 9901ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-24 17:56:18 1242ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-23 16:47:25 1704ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-17 18:49:42 2101ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-10 16:22:28 1160ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-08 01:22:08 3116ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-04 13:18:53 1017ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-01 06:30:30 1744ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-31 00:37:20 2019ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-25 20:57:23 1646ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-20 15:35:23 10475ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-18 07:15:38 7268ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-09 05:35:51 1556ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-06 05:04:31 1998ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-01 10:13:12 2071ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-25 18:57:21 1876ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-21 06:35:32 1877ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-17 01:44:59 10317ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-11 21:48:50 2339ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-07 08:33:07 1657ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-01 12:45:51 966ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-22 03:56:43 1221ms 2 NS 1 A 5 MX 🔓 Insecure
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