rtuh.com - dns.ninja
rtuh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.138.18.248🇺🇸 LiquidWeb192.138.16.0/21 Liquid Web LLC 2703 Ena Dr Lansing, MI 48917 | ||||||
| PTR | theo.thepresentgroup.com | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | mx.rtuh.com.cust.b.hostedemail.com ⭐ | ||||||
| A | 64.98.38.4🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow | ||||||
| PTR | mx.b.hostedemail.com | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1751977583 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786543929 | ||||||
Same first word
rtuh.com |
Similar names
DNS History
16 records (5 active, 11 former)
○NSns1.bluerobin.com2009-01-11 → 2009-01-11 · 3 obs
○ 2015-05-29 06:42:16
○ 2026-08-12 14:37:38
●NSns1.systemdns.com2015-05-29 → 2026-08-12 · 3 obs
● 2015-05-29 06:42:16
● 2026-08-12 14:37:38
○NSns2.bluerobin.com2009-01-11 → 2009-01-11 · 3 obs
○ 2015-05-29 06:42:16
○ 2026-08-12 14:37:38
●NSns2.systemdns.com2015-05-29 → 2026-08-12 · 3 obs
● 2015-05-29 06:42:16
● 2026-08-12 14:37:38
●NSns3.systemdns.com2015-05-29 → 2026-08-12 · 3 obs
● 2015-05-29 06:42:16
● 2026-08-12 14:37:38
○MXalt1.aspmx.l.google.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXalt2.aspmx.l.google.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXaspmx.l.google.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXaspmx2.googlemail.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXaspmx3.googlemail.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXaspmx4.googlemail.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
○MXaspmx5.googlemail.com2015-05-29 → 2017-08-12 · 5 obs
● 2015-05-29 06:42:16
● 2017-08-12 00:25:42
○ 2026-03-14 04:25:26
○ 2026-08-12 14:37:38
●MXmx.rtuh.com.cust.b.hostedemail.com2026-03-14 → 2026-08-12 · 3 obs
● 2026-03-14 04:25:26
● 2026-08-12 14:37:38
○A184.73.172.752015-05-29 → 2016-08-29 · 5 obs
● 2015-05-29 06:42:16
● 2016-08-29 13:32:44
○ 2016-09-16 04:47:30
○ 2026-08-12 14:37:38
●A192.138.18.2482016-09-16 → 2026-08-12 · 3 obs
● 2016-09-16 04:47:30
● 2026-08-12 14:37:38
○A208.68.176.1502009-01-11 → 2009-01-11 · 3 obs
○ 2015-05-29 06:42:16
○ 2026-08-12 14:37:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| rtuh.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtuh.com (unsigned zone)
⏱️ Timing
Total: 169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.138.18.248 |
| NS | 3 | ns2.systemdns.com, ns1.systemdns.com... |
| MX | 1 | mx.rtuh.com.cust.b.hostedemail.com (pri: |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
IP Addresses
rtuh.com points to a single IP number: 192.138.18.248.
Additional host names — theo.thepresentgroup.com, mail.redcrayola.biz, matshjelm.se and two others — share IP numbers with rtuh.com.
Name Servers
rtuh.com has three name servers — ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
The name servers of rtuh.com overlap at least partially with those of other domains — among them schlafzentrum-eckstein.de, something(0x736578)yplanet.com, thewhitetshirtcompany.com and two more.
Each of ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com points to two IP numbers. ns1.systemdns.com points to 216.40.47.90 and 2604:4000:0:d:216:40:47:90. ns2.systemdns.com points to 64.98.148.16 and 2604:4000:2800:d:64:99:148:16. ns3.systemdns.com points to 64.99.96.36 and 2604:4000:0:d:64:99:96:36.
Mail Servers
rtuh.com has one mail server: mx.rtuh.com.cust.b.hostedemail.com.
mx.rtuh.com.cust.b.hostedemail.com points to one IP number — 64.98.38.4.