smarttutors.com - robtex.com
smarttutors.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.59.21.177🇮🇳 DIGITALOCEAN139.59.16.0/20 DigitalOcean | ||||||
| NS | ns1.cprapid.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.smarttutors.com ⚠️ Not in zone NS records | ||||||
| A | 139.59.21.177🇮🇳 DIGITALOCEAN139.59.16.0/20 DigitalOcean | ||||||
| NS | ns2.cprapid.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.smarttutors.com ⚠️ Not in zone NS records | ||||||
| A | 139.59.21.177🇮🇳 DIGITALOCEAN139.59.16.0/20 DigitalOcean | ||||||
| MX | smarttutors.com ⭐ | ||||||
| A | 139.59.21.177🇮🇳 DIGITALOCEAN139.59.16.0/20 DigitalOcean | ||||||
| TXT | v=spf1 ip4:139.59.21.177 +a +mx +ip4:139.59.72.224 ~all | ||||||
| SOA | ns1.cprapid.comroot@newalmalinux-s-8vcpu-16gb-480gb-intel-blr1-01 2026-07-06 #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=1783746062 | ||||||
MX for
smarttutors.com |
Subdomains
Same first word
smarttutors.com |
smarttutors.net |
DNS History
12 records (6 active, 6 former)
●NSns1.cprapid.com2026-04-11 → 2026-07-11 · 3 obs
● 2026-04-11 16:27:02
● 2026-07-11 05:25:32
●NSns1.smarttutors.com2017-02-17 → 2026-07-11 · 3 obs
● 2017-02-17 21:26:54
● 2026-07-11 05:25:32
●NSns2.cprapid.com2026-04-11 → 2026-07-11 · 3 obs
● 2026-04-11 16:27:02
● 2026-07-11 05:25:32
●NSns2.smarttutors.com2017-02-17 → 2026-07-11 · 3 obs
● 2017-02-17 21:26:54
● 2026-07-11 05:25:32
○NSns33.domaincontrol.com2015-08-05 → 2016-06-28 · 4 obs
● 2016-06-28 12:31:44
○ 2017-02-17 21:26:54
○ 2026-07-11 05:25:32
○NSns34.domaincontrol.com2015-08-05 → 2016-06-28 · 4 obs
● 2016-06-28 12:31:44
○ 2017-02-17 21:26:54
○ 2026-07-11 05:25:32
○MXmailstore1.secureserver.net2015-08-05 → 2016-06-28 · 4 obs
● 2016-06-28 12:31:44
○ 2017-02-17 21:26:54
○ 2026-07-11 05:25:32
●MXsmarttutors.com2017-02-17 → 2026-07-11 · 3 obs
● 2017-02-17 21:26:54
● 2026-07-11 05:25:32
○MXsmtp.secureserver.net2015-08-05 → 2016-06-28 · 4 obs
● 2016-06-28 12:31:44
○ 2017-02-17 21:26:54
○ 2026-07-11 05:25:32
●A139.59.21.1772026-04-11 → 2026-07-11 · 3 obs
● 2026-04-11 16:27:02
● 2026-07-11 05:25:32
○A173.255.253.242017-02-17 → 2017-02-17 · 4 obs
● 2017-02-17 21:26:54
○ 2026-04-11 16:27:02
○ 2026-07-11 05:25:32
○A50.63.202.552015-08-05 → 2016-06-28 · 4 obs
● 2016-06-28 12:31:44
○ 2017-02-17 21:26:54
○ 2026-07-11 05:25:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| smarttutors.com | ns1.smarttutors.com, ns2.smarttutors.com | 2 records |
✅ Authoritative Response
Server:139.59.21.177
NS records: ns1.smarttutors.com, ns2.smarttutors.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smarttutors.com (unsigned zone)
⏱️ Timing
Total: 750ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.59.21.177 |
| NS | 2 | ns2.cprapid.com, ns1.cprapid.com |
| MX | 1 | smarttutors.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:139.59.21.177 +a +mx +ip4:139 |
| SOA | 1 | ns1.cprapid.com root.newalmalinux-s-8vcp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.smarttutors.com, ns2.smarttutors.com)
Analysis
Hierarchy
ns2.smarttutors.com and ns1.smarttutors.com are both subdomains of smarttutors.com.
Mail Server Role
smarttutors.com is listed as a mail server for itself.
IP Addresses
smarttutors.com resolves to one IP address: 139.59.21.177.
ns2.sarkari-naukri.in, ns1.evidyarthi.in, ns1.bossintl.com and two other host names share IP numbers with smarttutors.com.
Name Servers
The authoritative name servers for smarttutors.com are ns1.cprapid.com, ns2.cprapid.com, ns1.smarttutors.com and ns2.smarttutors.com.
The name servers of smarttutors.com overlap at least partially with those of other domains — among them ns1.serverbulan.org, creerendios.com, moneykamanagement.com and two more.
These name servers commonly appear in delegations together with ns301.cloud-mx-ns.net, ns302.cloud-mx-ns.net, ns303.cloud-mx-ns.net and 7 other.
Both ns1.smarttutors.com and ns2.smarttutors.com have a single IP address, 139.59.21.177, and share it.
Host names pointing to 139.59.21.177 IP addresses: ns1.smarttutors.com and ns2.smarttutors.com.
Mail Servers
Mail for smarttutors.com is handled by one mail server — smarttutors.com.
smarttutors.com has exactly one IP number: 139.59.21.177.