textbooknova.com - dns.ninja
textbooknova.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=1782908811 | ||||||
Previously MX for
textbooknova.com |
Same first word
textbooknova.com |
textbooknova.org |
DNS History
17 records (11 active, 6 former)
○NSns3.ldhosting.com2016-11-19 → 2017-02-15 · 4 obs
● 2017-02-15 10:40:40
○ 2026-03-19 09:54:40
○ 2026-07-01 12:28:02
○NSns4.ldhosting.com2016-11-19 → 2017-02-15 · 4 obs
● 2017-02-15 10:40:40
○ 2026-03-19 09:54:40
○ 2026-07-01 12:28:02
●NSshubhi.ns.cloudflare.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●NStitan.ns.cloudflare.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●MXalt1.aspmx.l.google.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●MXalt2.aspmx.l.google.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●MXalt3.aspmx.l.google.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●MXalt4.aspmx.l.google.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●MXaspmx.l.google.com2026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
○MXtextbooknova.com2016-11-19 → 2017-02-15 · 4 obs
● 2017-02-15 10:40:40
○ 2026-03-19 09:54:40
○ 2026-07-01 12:28:02
●A104.21.87.202026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●A172.67.168.1692026-03-19 → 2026-07-01 · 3 obs
● 2026-03-19 09:54:40
● 2026-07-01 12:28:02
●A2606:4700:3030::ac43:a8a92026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 12:28:02
○A2606:4700:3032::ac43:a8a92026-03-19 → 2026-06-15 · 4 obs
● 2026-03-19 09:54:40
● 2026-06-15 09:58:20
○ 2026-07-01 12:28:02
●A2606:4700:3034::6815:57142026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 12:28:02
○A2606:4700:3036::6815:57142026-03-19 → 2026-06-15 · 4 obs
● 2026-03-19 09:54:40
● 2026-06-15 09:58:20
○ 2026-07-01 12:28:02
○A91.109.26.1292016-11-19 → 2017-02-15 · 4 obs
● 2017-02-15 10:40:40
○ 2026-03-19 09:54:40
○ 2026-07-01 12:28:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| textbooknova.com | shubhi.ns.cloudflare.com, titan.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.63
NS records: shubhi.ns.cloudflare.com, titan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for textbooknova.com (unsigned zone)
⏱️ Timing
Total: 191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.87.20, 172.67.168.169 |
| AAAA | 2 | 2606:4700:3030::ac43:a8a9, 2606:4700:3034::6815:5714 |
| NS | 2 | shubhi.ns.cloudflare.com, titan.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=nEtVl1FszhSyqVY, v=spf1 include:_spf.google.com ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | shubhi.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (shubhi.ns.cloudflare.com, shubhi.ns.cloudflare.com, shubhi.ns.cloudflare.com...)
Analysis
IP Addresses
textbooknova.com resolves to four IP addresses: 104.21.87.20, 172.67.168.169, 2606:4700:3030::ac43:a8a9 and 2606:4700:3034::6815:5714.
c9j0mb.com, digitalwin.com, clickmen.com plus two other host names have IP numbers in common with textbooknova.com.
Name Servers
textbooknova.com has two authoritative name servers — shubhi.ns.cloudflare.com and titan.ns.cloudflare.com.
The name server configuration of textbooknova.com is shared with other domains, for instance bgenc.net, hostnotion.co, tracelength.com and two others.
textbooknova.com partially shares its NS delegation with several other domains, including pag9m7rv.cc, itsalute.com, public-a-cloud1p.ascendmoney.io and two others.
The name servers treasure.ns.cloudflare.com, hank.ns.cloudflare.com, newt.ns.cloudflare.com and gerald.ns.cloudflare.com are often found in use alongside these name servers.
Hosts with 6 IP addresses each:
shubhi.ns.cloudflare.com points to 108.162.194.63, 162.159.38.63, 172.64.34.63 and 3 other IP addresses.
titan.ns.cloudflare.com points to 108.162.195.93, 162.159.44.93, 172.64.35.93 and 3 other IP addresses.
Mail Servers
textbooknova.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by textbooknova.com are shared with other domains: p-s-architects.com, sure.fi, ns500758.ns500698.ns500759.ns500759.ns500758.ns500736.ns500735.ns500708.ns500576.ns500619.ns500619.ns500698.ns500576.ns500619.ns500619.trackreceptor.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.