rtgroups.com - robtex.com
rtgroups.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
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=1794201036 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
19 records (4 active, 15 former)
○NSns0.wixdns.net2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○NSns1.sedoparking.com2017-08-31 → 2017-08-31 · 4 obs
● 2017-08-31 20:14:48
○ 2026-08-27 15:01:04
○ 2026-11-09 05:31:22
○NSns1.wixdns.net2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○NSns2.sedoparking.com2017-08-31 → 2017-08-31 · 4 obs
● 2017-08-31 20:14:48
○ 2026-08-27 15:01:04
○ 2026-11-09 05:31:22
○NSpdns05.domaincontrol.com2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-30 01:34:42
○ 2026-11-09 05:31:22
○NSpdns06.domaincontrol.com2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-30 01:34:42
○ 2026-11-09 05:31:22
●NSsl1.sedo.com2026-08-27 → 2026-11-09 · 3 obs
● 2026-08-27 15:01:04
● 2026-11-09 05:31:22
●NSsl2.sedo.com2026-08-27 → 2026-11-09 · 3 obs
● 2026-08-27 15:01:04
● 2026-11-09 05:31:22
○MXalt1.aspmx.l.google.com2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○MXalt2.aspmx.l.google.com2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○MXaspmx.l.google.com2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○MXaspmx2.googlemail.com2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○MXaspmx3.googlemail.com2016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
●MXlocalhost2017-08-31 → 2026-11-09 · 3 obs
● 2017-08-31 20:14:48
● 2026-11-09 05:31:22
○MXmail.pkwebsol.com2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-30 01:34:42
○ 2026-11-09 05:31:22
○A23.236.62.1472016-04-04 → 2016-09-19 · 5 obs
● 2016-04-04 06:43:48
● 2016-09-19 05:30:12
○ 2017-08-31 20:14:48
○ 2026-11-09 05:31:22
○A50.63.202.192015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-30 01:34:42
○ 2026-11-09 05:31:22
○A72.52.4.1192017-08-31 → 2017-08-31 · 4 obs
● 2017-08-31 20:14:48
○ 2026-08-27 15:01:04
○ 2026-11-09 05:31:22
●A91.195.241.2322026-08-27 → 2026-11-09 · 3 obs
● 2026-08-27 15:01:04
● 2026-11-09 05:31:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| rtgroups.com | sl1.sedo.com, sl2.sedo.com | 2 records |
✅ Authoritative Response
Server:91.195.240.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtgroups.com (unsigned zone)
⏱️ Timing
Total: 703ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl2.sedo.com, sl1.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (sl1.sedo.com, sl2.sedo.com)
Analysis
IP Addresses
rtgroups.com directs to one IP number, which is 91.195.241.232.
Among the host names that share IP numbers with rtgroups.com are rheumatobee.de, datetoday.eu, balmora.de and two others.
Name Servers
Two name servers handle the delegation for rtgroups.com: sl1.sedo.com and sl2.sedo.com.
rtgroups.com has the same name server delegation as a number of other domains, such as h2tech.eu, hopestar.de, eatai.de and two more.
rtgroups.com is at least partially co-delegated on name servers with other domains, such as bayaaninstitute.co.uk.
sl1.sedo.com and sl2.sedo.com each resolve to one IP number: sl1.sedo.com points to 91.195.240.173 and sl2.sedo.com points to 91.195.241.173.
Mail Servers
rtgroups.com routes its mail through a single mail server, localhost.
rtgroups.com has the same mail server arrangement as a number of other domains, for example gastgeber-langeoog.de, nationalinterest.de, alustre.de and two more.