rt9.dk DNS records

🖥️ Nameservers2 records 75ms

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 Records1 records 58ms

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 Records5 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	900s	aspmx.l.google.com	2a00:1450:4010:c20::1a 64.233.164.26	yulppbn-in-f26.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	900s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.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	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.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 88ms

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 Records1 records 122ms

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

📝 TXT Records1 records 291ms

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 Records1 records 64ms

Flags	Tag	Value
0	issue	letsencrypt.org

🔏 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)

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080902
Primary NS (MNAME)	ns1.designrus.dk
Responsible (RNAME)	admin@designrus.dk
Refresh	1200s
Retry	540s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

58ms

MX

75ms

AAAA

88ms

TXT

291ms

CAA

64ms

HTTPS

71ms

TLSA

280ms

SOA

0ms

MTA-STS

85ms

DNSSEC

83ms

SRV

122ms

Total

1556ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 06:30:30	1744ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-31 00:37:20	2019ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-25 20:57:23	1646ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-20 15:35:23	10475ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-18 07:15:38	7268ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-09 05:35:51	1556ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-06 05:04:31	1998ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-08-01 10:13:12	2071ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-25 18:57:21	1876ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-21 06:35:32	1877ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-17 01:44:59	10317ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-11 21:48:50	2339ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-07 08:33:07	1657ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-07-01 12:45:51	966ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-06-22 03:56:43	1221ms	2 NS 1 A 5 MX	🔓 Insecure	View
2026-06-17 23:46:26	1053ms	2 NS 1 A 5 MX	🔓 Insecure	View