rt9.dk

📜 Historical scan 2026-09-29 12:39:26 · ← 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 48ms

Nameserver	IP addresses	PTR	ASN / 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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.120.222	3600s	server4.designrus.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

5 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	900s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a	lb-in-f26.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	900s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.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::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	900s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	rt9.dk → 49.12.120.222
🔶 Autoconfig	discover.designrus.dk → 49.12.124.182

🔷 AAAA Records (IPv6)#

1 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 108ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	discover.designrus.dk

📝 TXT Records#

1 records 275ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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 49ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 18:43:12

www	49.12.120.222 2a01:4f8:242:52a0::2 (AS24940) (address records, no CNAME)
www vs bare domain	Same network rt9.dk: 49.12.120.222 2a01:4f8:242:52a0::2 (AS24940) www.rt9.dk: 49.12.120.222 2a01:4f8:242:52a0::2 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rt9.dk	rt9.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

139ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026092902
Primary NS (MNAME)	ns1.designrus.dk
Responsible (RNAME)	admin@designrus.dk
Refresh	1200s
Retry	540s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 19:18:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-05-27
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

44ms

50ms

AAAA

58ms

TXT

275ms

CAA

49ms

HTTPS

60ms

TLSA

261ms

SOA

0ms

MTA-STS

65ms

DNSSEC

139ms

SRV

108ms

Total

1182ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	1182ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-26 12:06:48	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