semesternotes.com - robtex.com
semesternotes.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.210.113.215🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | server54mail.dnsserverboot.com | ||||||
| NS | ns251.redserverhost.com ⭐ | ||||||
| A | 51.210.113.215🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | server54mail.dnsserverboot.com | ||||||
| NS | ns252.redserverhost.com | ||||||
| A | 51.210.113.215🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | server54mail.dnsserverboot.com | ||||||
| MX | semesternotes.com ⭐ | ||||||
| A | 51.210.113.215🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | server54mail.dnsserverboot.com | ||||||
| TXT | v=spf1 +a +mx +ip4:51.210.113.215 ~all | ||||||
| SOA | ns251.redserverhost.comadi5217758@gmail.com 2023-11-30 #3 | ||||||
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=1771291435 | ||||||
rank #191511 in the tld
MX for
semesternotes.com |
Same first word
semesternotes.com |
DNS History
4 records (4 active, 0 former)
●NSns251.redserverhost.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:35:32
●NSns252.redserverhost.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:35:32
●MXsemesternotes.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:35:32
●A51.210.113.2152026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:35:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| semesternotes.com | ns251.redserverhost.com, ns252.redserverhost.com | 2 records |
✅ Authoritative Response
Server:51.210.113.215
NS records: ns251.redserverhost.com, ns252.redserverhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semesternotes.com (unsigned zone)
⏱️ Timing
Total: 318ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.210.113.215 |
| NS | 2 | ns251.redserverhost.com, ns252.redserverhost.com |
| MX | 1 | semesternotes.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:51.210.113.215 ~all |
| SOA | 1 | ns251.redserverhost.com adi5217758.gmail |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns251.redserverhost.com, ns252.redserverhost.com)
Analysis
Mail Server Role
semesternotes.com serves as the mail server for semesternotes.com.
IP Addresses
semesternotes.com resolves to a single IP address: 51.210.113.215.
Other host names including ns2.helloweb.in, ns1.uniquetech.in, ns1.rymdstudio.com, ns1.satisfactioninfotechonline.com and ns2.passionatetech.com share IP numbers with semesternotes.com.
Name Servers
semesternotes.com's delegation uses two name servers, ns251.redserverhost.com and ns252.redserverhost.com.
semesternotes.com shares the same name server setup as other domains, for example sandflowerqatar.com, banasuramountainviewresort.com, checkmateevents.com, sunbeamsolution.in and eltsjournal.org.
semesternotes.com shares some name servers with other domains, such as websitez.in, hexapedia.com, technozone-it.com and annaigroup.org.
These name servers are commonly used with the name servers ns141.redserverhost.comns142.redserverhost.comns541.dnsserverboot.comns542.dnsserverboot.comns251.dnsserverboot.com and ns252.dnsserverboot.com.
Host names with a single IP:
- ns251.redserverhost.com points to 51.210.113.215
- ns252.redserverhost.com points to 51.210.113.215
Host names that point to 51.210.113.215: ns251.redserverhost.com and ns252.redserverhost.com
Mail Servers
A single mail server handles semesternotes.com.
semesternotes.com points to a single IP: 51.210.113.215.