🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmertutor.com`

DNSSEC	⚠️ Not signed
A	216.150.1.1^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.193^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p13.nsone.net`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=d86528890811f2717117bbf41e3e00a03221ff41`
TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1652473712

`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.net`nstld@verisign-grs.com serial=1789497503

Same first word

programmertutor.com

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSns1.vercel-dns.com2026-09-05 → 2026-09-15 · 2 obs

● 2026-09-05 00:54:34
● 2026-09-15 18:53:26

●NSns2.vercel-dns.com2026-09-05 → 2026-09-15 · 2 obs

● 2026-09-05 00:54:34
● 2026-09-15 18:53:26

●MXmail.protonmail.ch2026-09-05 → 2026-09-15 · 2 obs

● 2026-09-05 00:54:34
● 2026-09-15 18:53:26

●MXmailsec.protonmail.ch2026-09-05 → 2026-09-15 · 2 obs

● 2026-09-05 00:54:34
● 2026-09-15 18:53:26

●A216.150.1.12026-09-05 → 2026-09-15 · 6 obs

● 2026-09-05 00:54:34
○ 2026-09-05 06:12:46
● 2026-09-06 16:49:48
○ 2026-09-07 21:02:16
● 2026-09-12 19:13:04
● 2026-09-15 18:53:26

○A216.150.1.1292026-09-07 → 2026-09-07 · 4 obs

○ 2026-09-06 16:49:48
● 2026-09-07 21:02:16
○ 2026-09-12 19:13:04
○ 2026-09-15 18:53:26

○A216.150.1.1932026-09-05 → 2026-09-06 · 6 obs

○ 2026-09-05 00:54:34
● 2026-09-05 06:12:46
○ 2026-09-05 17:23:56
● 2026-09-06 07:58:42
○ 2026-09-06 16:49:48
○ 2026-09-15 18:53:26

○A216.150.1.652026-09-05 → 2026-09-07 · 5 obs

● 2026-09-05 00:54:34
○ 2026-09-05 06:12:46
● 2026-09-07 21:02:16
○ 2026-09-15 18:53:22
○ 2026-09-15 18:53:26

○A216.150.16.1292026-09-05 → 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
○ 2026-09-07 21:02:16
○ 2026-09-15 18:53:26

●A216.150.16.1932026-09-05 → 2026-09-15 · 5 obs

○ 2026-09-05 00:54:34
● 2026-09-05 06:12:46
○ 2026-09-06 16:49:48
● 2026-09-15 18:53:22
● 2026-09-15 18:53:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programmertutor.com	ns1.vercel-dns.com, ns2.vercel-dns.com	4 records

✅ Authoritative Response

Server:198.51.45.13

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: 232ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.1.65, 216.150.16.129`
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 has two IP addresses: 216.150.1.1 and 216.150.16.193

reformer-pilates.co.uk, lexcellence.law, wmtgo.link plus two other host names have IP numbers in common with programmertutor.com.

Name Servers

programmertutor.com is served by two delegated name servers, ns1.vercel-dns.com and ns2.vercel-dns.com.

The name server configuration of programmertutor.com is shared with other domains, for instance goldwings.world, svetinsight.com, jutosuperr.us and two others.

The DNS delegation for programmertutor.com at least partly coincides with that of other domains, bibekmishra.tech being one example.

Each of the two host names carries two IP addresses: ns1.vercel-dns.com points to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1, and ns2.vercel-dns.com points to 198.51.45.13 and 2a00:edc0:6259:7:13::2.

Mail Servers

programmertutor.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of programmertutor.com matches that of other domains such as kyleshaver.com, schiffer.email, comesforusall.com and two others.

At least some of the mail servers used by programmertutor.com are shared with other domains: akaplay.com, dcmanley.com, vanderbeken.ch and two others among them.

Both mail.protonmail.ch and mailsec.protonmail.ch point to three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128, while mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

programmertutor.com - robtex.com