pdf-tutorial.com - dns.ninja

pdf-tutorial.com

DNSSEC⚠️ Not signed
A154.197.157.218🇭🇰 MYCLOUD-AS-AP154.197.128.0/18 CloudFly Net Inc
NSa3.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb3.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1762874532

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1780942951

Previously MX for

pdf-tutorial.com

Subdomains

www.pdf-tutorial.com

Same first word

pdf-tutorial.com

Similar names

adult-profit.com

DNS History

21 records (5 active, 16 former)

201820192020202120222023202420252026NSa.share-dns.coma3.share-dns.comb.share-dns.netb3.share-dns.netcody.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comkim.ns.cloudflare.comns1.vultr.comns17.domaincontrol.comns18.domaincontrol.comns2.vultr.comMXpdf-tutorial.comA154.197.157.218104.21.7.209172.67.188.62606:4700:3033::6815:7d12606:4700:3035::ac43:bc063.140.115.945.63.65.15598.143.144.107
●NSa.share-dns.com2026-03-04 → 2026-06-08 · 3 obs
○ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
● 2026-06-08 18:29:30
●NSa3.share-dns.com2026-03-04 → 2026-06-08 · 3 obs
○ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
● 2026-06-08 18:29:30
●NSb.share-dns.net2026-03-04 → 2026-06-08 · 3 obs
○ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
● 2026-06-08 18:29:30
●NSb3.share-dns.net2026-03-04 → 2026-06-08 · 3 obs
○ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
● 2026-06-08 18:29:30
○NScody.ns.cloudflare.com2021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
○NSdns1.registrar-servers.com2020-12-21 → 2020-12-21 · 4 obs
○ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
○ 2021-10-06 17:16:08
○ 2026-06-08 18:29:30
○NSdns2.registrar-servers.com2020-12-21 → 2020-12-21 · 4 obs
○ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
○ 2021-10-06 17:16:08
○ 2026-06-08 18:29:30
○NSkim.ns.cloudflare.com2021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
○NSns1.vultr.com2017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 22:31:38
○ 2018-09-03 19:24:14
○ 2026-06-08 18:29:30
○NSns17.domaincontrol.com2018-09-03 → 2018-09-03 · 4 obs
○ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
○ 2020-12-21 16:31:16
○ 2026-06-08 18:29:30
○NSns18.domaincontrol.com2018-09-03 → 2018-09-03 · 4 obs
○ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
○ 2020-12-21 16:31:16
○ 2026-06-08 18:29:30
○NSns2.vultr.com2017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 22:31:38
○ 2018-09-03 19:24:14
○ 2026-06-08 18:29:30
○MXpdf-tutorial.com2017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 22:31:38
○ 2018-09-03 19:24:14
○ 2026-06-08 18:29:30
○A104.21.7.2092021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
●A154.197.157.2182026-03-04 → 2026-06-08 · 3 obs
○ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
● 2026-06-08 18:29:30
○A172.67.188.62021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
○A2606:4700:3033::6815:7d12021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
○A2606:4700:3035::ac43:bc062021-10-06 → 2021-10-06 · 4 obs
○ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
○ 2026-03-04 07:57:00
○ 2026-06-08 18:29:30
○A3.140.115.92020-12-21 → 2020-12-21 · 4 obs
○ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
○ 2021-10-06 17:16:08
○ 2026-06-08 18:29:30
○A45.63.65.1552017-01-04 → 2017-01-04 · 3 obs
● 2017-01-04 22:31:38
○ 2018-09-03 19:24:14
○ 2026-06-08 18:29:30
○A98.143.144.1072018-09-03 → 2018-09-03 · 4 obs
○ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
○ 2020-12-21 16:31:16
○ 2026-06-08 18:29:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...-
pdf-tutorial.comb3.share-dns.net, a3.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b3.share-dns.net, a3.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdf-tutorial.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

TypeCountSample Data
A1154.197.157.218
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a3.share-dns.com)

Analysis

Hierarchy

pdf-tutorial.com is a parent domain of www.pdf-tutorial.com.

IP Addresses

pdf-tutorial.com has exactly one IP address — 154.197.157.218.

Host names such as www.pdf-tutorial.com and cnmaojin.com share IP numbers with pdf-tutorial.com.

Name Servers

Authority for pdf-tutorial.com is delegated across 4 name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

pdf-tutorial.com shares at least some of its name servers with other domains, including lmclassic.com, ifonlyihadmoney.com, yibeigeng.com and two others.

These name servers tend to appear in conjunction with a10.share-dns.com, b10.share-dns.net, a12.share-dns.com and seven others.

a3.share-dns.com and a.share-dns.com share the IP address 172.64.53.25; b3.share-dns.net and b.share-dns.net share the IP address 172.64.52.239.

a3.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.

b3.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.