programmertutor.com - dns.ninja
programmertutor.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=1788712248 | ||||||
Same first word
programmertutor.com |
Previous names
Next names
DNS History
9 records (6 active, 3 former)
●NSns1.vercel-dns.com2026-09-05 → 2026-09-06 · 2 obs
● 2026-09-06 16:49:50
●NSns2.vercel-dns.com2026-09-05 → 2026-09-06 · 2 obs
● 2026-09-06 16:49:50
●MXmail.protonmail.ch2026-09-05 → 2026-09-06 · 2 obs
● 2026-09-06 16:49:50
●MXmailsec.protonmail.ch2026-09-05 → 2026-09-06 · 2 obs
● 2026-09-06 16:49:50
●A216.150.1.12026-09-05 → 2026-09-06 · 4 obs
○ 2026-09-05 06:12:46
● 2026-09-06 16:49:48
● 2026-09-06 16:49:50
○A216.150.1.1932026-09-05 → 2026-09-06 · 6 obs
● 2026-09-05 06:12:46
○ 2026-09-05 17:23:56
● 2026-09-06 07:58:42
○ 2026-09-06 16:49:48
○ 2026-09-06 16:49:50
○A216.150.1.652026-09-05 → 2026-09-05 · 3 obs
○ 2026-09-05 06:12:46
○ 2026-09-06 16:49:50
●A216.150.16.1292026-09-05 → 2026-09-06 · 5 obs
● 2026-09-05 17:23:56
○ 2026-09-06 07:58:42
● 2026-09-06 16:49:48
● 2026-09-06 16:49:50
○A216.150.16.1932026-09-05 → 2026-09-05 · 4 obs
● 2026-09-05 06:12:46
○ 2026-09-06 16:49:48
○ 2026-09-06 16:49:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net... | - |
| programmertutor.com | ns1.vercel-dns.com, ns2.vercel-dns.com | 4 records |
✅ Authoritative Response
Server:198.51.44.13
NS records: ns1.vercel-dns.com, ns2.vercel-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programmertutor.com (unsigned zone)
⏱️ Timing
Total: 1723ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 216.150.1.1, 216.150.1.193 |
| NS | 2 | ns1.vercel-dns.com, ns2.vercel-dns.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | protonmail-verification=d86528890811f271, v=spf1 include:_spf.protonmail.ch mx ~al |
| SOA | 1 | ns1.vercel-dns.com hostmaster.nsone.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.vercel-dns.com, ns1.vercel-dns.com, ns2.vercel-dns.com...)
Analysis
IP Addresses
programmertutor.com directs to two IP numbers, 216.150.1.1 and 216.150.16.129
Two other host names, along with lexcellence.law, investiimobi.com.br and iranone.org, also share IP numbers with programmertutor.com.
Name Servers
DNS delegation for programmertutor.com points to two name servers: ns1.vercel-dns.com and ns2.vercel-dns.com.
programmertutor.com shares its NS records with other domains, for example goldwings.world, jutosuperr.us, fytkit.app and two others.
programmertutor.com shares at least some of its name servers with other domains, such as bibekmishra.tech and lamen.io.
ns1.vercel-dns.com directs to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1. ns2.vercel-dns.com directs to 198.51.45.13 and 2a00:edc0:6259:7:13::2. Each host name carries two IP addresses.
Mail Servers
programmertutor.com is served by two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
Among the domains sharing a mail server setup with programmertutor.com are schiffer.email, comesforusall.com, garyraymorton.com and two others.
There is at least a partial MX overlap between programmertutor.com and other domains, including akaplay.com, dcmanley.com, zidonis.me and two others.
mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.