rt9.dk - dns.ninja

rt9.dk

DNSSEC⚠️ Not signed
A2a01:4f8:242:52a0::2πŸ‡©πŸ‡ͺ Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRserver4.designrus.dk
A49.12.120.222πŸ‡©πŸ‡ͺ Hetzner49.12.0.0/16 HETZNER-DC
NSns1.designrus.dk ⭐
A2a01:4f8:141:3416::2πŸ‡©πŸ‡ͺ Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRserver1.designrus.dk
A176.9.4.22πŸ‡©πŸ‡ͺ Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4
PTRserver1.designrus.dk
NSns2.designrus.dk
A2a01:4f8:242:5649::2πŸ‡©πŸ‡ͺ Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRserver2.designrus.dk
A49.12.124.182πŸ‡©πŸ‡ͺ Hetzner49.12.0.0/16 HETZNER-DC
PTRserver2.designrus.dk
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A172.253.115.27πŸ‡ΊπŸ‡Έ Google172.253.115.0/24
PTRbg-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1aπŸ‡¨πŸ‡± Google2800:3f0:4003::/48
A108.177.123.26πŸ‡ΊπŸ‡Έ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com.rt9.dk(5)
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1bπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1bπŸ‡§πŸ‡ͺ Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27πŸ‡ΊπŸ‡Έ Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTv=spf1 mx a include:_spf.designrus.dk include:_spf.google.com ~all
SOAns1.designrus.dkadmin@designrus.dk 2026-07-05 #2

dk

DNSSECπŸ”’ Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1783439281localtime Tue Jul 7 17:48:01 2026gmtime Tue Ju...
SOAb.nic.dktech@punktum.dk serial=1783439281

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSns1.designrus.dkns2.designrus.dkMXalt1.aspmx.l.google.comalt2.aspmx.l.google.com.rt9.dkalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA2a01:4f8:242:52a0::249.12.120.222
●NSns1.designrus.dk2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●NSns2.designrus.dk2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●MXalt1.aspmx.l.google.com2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●MXalt2.aspmx.l.google.com.rt9.dk2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●MXalt3.aspmx.l.google.com2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●MXalt4.aspmx.l.google.com2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●MXaspmx.l.google.com2026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●A2a01:4f8:242:52a0::22026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04
●A49.12.120.2222026-03-14 β†’ 2026-07-07 Β· 2 obs
● 2026-03-14 10:42:12
● 2026-07-07 16:08:04

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
dkt.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk...-
rt9.dkns1.designrus.dk, ns2.designrus.dk2 records

βœ… Authoritative Response

Server:176.9.4.22

NS records: ns1.designrus.dk, ns2.designrus.dk

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt9.dk (unsigned zone)

⏱️ Timing

Total: 929ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A149.12.120.222
AAAA12a01:4f8:242:52a0::2
NS2ns1.designrus.dk, ns2.designrus.dk
MX5alt3.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...
TXT1v=spf1 mx a include:_spf.designrus.dk in
SOA1ns1.designrus.dk admin.designrus.dk

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.designrus.dk, ns1.designrus.dk)

Analysis

IP Addresses

rt9.dk points to the IP addresses 49.12.120.222 and 2a01:4f8:242:52a0::2

Among the host names that share IP numbers with rt9.dk are magma-firestop.dk, dmsu.dk, bettinabeltner.dk and two others.

Name Servers

Two name servers handle the delegation for rt9.dk: ns1.designrus.dk and ns2.designrus.dk.

rt9.dk has the same name server delegation as a number of other domains, such as filipsmidt.dk, sommerhusprivatudlejning.dk, nogu.dk and two more.

At least some of rt9.dk's name servers are shared with other domains, for example limecity.dk, euroholidaycenters.com, 0002.dk and two more.

ns1.designrus.dk and ns2.designrus.dk both carry two IP addresses. The A records for ns1.designrus.dk are 176.9.4.22 and 2a01:4f8:141:3416::2; the A records for ns2.designrus.dk are 49.12.124.182 and 2a01:4f8:242:5649::2.

Mail Servers

rt9.dk has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and two others.

rt9.dk shares at least some of its mail servers with other domains β€” for example itsupport4u.be, ramiscal.com, avi.org.in and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Four hostnames, each resolving to a pair of IP addresses: aspmx.l.google.com directs to 172.253.115.27 and 2607:f8b0:4004:c1b::1b; alt1.aspmx.l.google.com directs to 108.177.123.26 and 2800:3f0:4003:c0f::1a; alt3.aspmx.l.google.com directs to 192.178.223.26 and 2a00:1450:4009:c0f::1b; alt4.aspmx.l.google.com directs to 172.253.157.27 and 2a00:1450:400c:c23::1b.