courseswithruss.com - robtex.com
courseswithruss.com
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=1774538762 | ||||||
Same first word
courseswithruss.com |
DNS History
13 records (8 active, 5 former)
○NSns1.fatcow.com2015-08-23 → 2020-04-14 · 3 obs
● 2020-04-14 00:44:40
○ 2026-03-26 15:53:30
○NSns2.fatcow.com2015-08-23 → 2020-04-14 · 3 obs
● 2020-04-14 00:44:40
○ 2026-03-26 15:53:30
●NSns29.domaincontrol.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:53:30
●NSns30.domaincontrol.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:53:30
●MXalt1.aspmx.l.google.com2017-03-29 → 2026-03-26 · 3 obs
● 2017-03-29 11:37:04
● 2026-03-26 15:53:30
●MXalt2.aspmx.l.google.com2017-03-29 → 2026-03-26 · 3 obs
● 2017-03-29 11:37:04
● 2026-03-26 15:53:30
●MXalt3.aspmx.l.google.com2017-03-29 → 2026-03-26 · 3 obs
● 2017-03-29 11:37:04
● 2026-03-26 15:53:30
●MXalt4.aspmx.l.google.com2017-03-29 → 2026-03-26 · 3 obs
● 2017-03-29 11:37:04
● 2026-03-26 15:53:30
●MXaspmx.l.google.com2017-03-29 → 2026-03-26 · 3 obs
● 2017-03-29 11:37:04
● 2026-03-26 15:53:30
○MXmx.courseswithruss.com2015-08-23 → 2016-07-15 · 4 obs
● 2016-07-15 05:40:06
○ 2017-03-29 11:37:04
○ 2026-03-26 15:53:30
●A151.101.2.1592026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:53:30
○A65.254.227.2242016-07-15 → 2020-04-14 · 4 obs
● 2016-07-15 05:40:06
● 2020-04-14 00:44:40
○ 2026-03-26 15:53:30
○A65.254.248.2172015-08-23 → 2016-03-20 · 4 obs
● 2016-03-20 06:58:58
○ 2016-07-15 05:40:06
○ 2026-03-26 15:53:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courseswithruss.com | ns29.domaincontrol.com, ns30.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.15
NS records: ns29.domaincontrol.com, ns30.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseswithruss.com (unsigned zone)
⏱️ Timing
Total: 988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 151.101.2.159 |
| NS | 2 | ns29.domaincontrol.com, ns30.domaincontrol.com |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns29.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns29.domaincontrol.com, ns29.domaincontrol.com, ns30.domaincontrol.com...)
Analysis
IP Addresses
courseswithruss.com points to an IP address: 151.101.2.159.
other host names include www.jemsu.com, stevenbwiley.com, cncaa.net, aspenpharma.com.au and ogslandscape.ca; they share IP numbers with courseswithruss.com.
Name Servers
Two name servers ns29.domaincontrol.com and ns30.domaincontrol.com handle the delegation for courseswithruss.com.
courseswithruss.com shares the same name server setup as other domains, for instance viichat.com, co-line.com, crenshawshop.com, synthesis-it.com and globalmoneytimes.com.
courseswithruss.com shares name servers with other domains at least partially, for example rancherito.biz.
Host names with two IP numbers:
ns29.domaincontrol.com points to 2603:5:2181::f and 97.74.104.15.
ns30.domaincontrol.com points to 2603:5:2281::f and 173.201.72.15.
Mail Servers
courseswithruss.com is served by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
courseswithruss.com shares at least partially some mail servers with other domains, for instance ns500754.ns500742.ns500731.ns500731.ns500754.ns500731.ns500671.ns500678.ns500678.ns500666.ns500153.tenderladiesbz.com, ns500698.ns500698.ns500758.ns500758.ns500735.ns500698.ns500698.ns500698.ns500735.ns500708.ns500708.ns500708.ns500698.ns500576.ns500576.ns500652.tracksymphony.com, ns500737.ns500724.ns500724.ns500724.ns500737.ns500599.ns500697.ns500599.ns500697.ns500697.www.yummyflingsfinder.com, ns500731.ns500671.ns500742.ns500671.ns500742.ns500671.ns500291.ns500649.ns500649.ns500649.lustychickser.com and ns500759.ns500698.ns500758.ns500735.ns500735.ns500698.ns500736.ns500698.ns500735.ns500698.ns500708.ns500698.ns500619.ns500576.ns500619.trackreceptor.com.
these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
The host name aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 74.125.137.27.
The host name alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26.
The host name alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.27.
The host name alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27.
The host name alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27.