pdf-tutorial.com - robtex.com

pdf-tutorial.com

DNSSEC⚠️ Not signed
A154.197.157.218πŸ‡­πŸ‡° MYCLOUD-AS-AP154.197.128.0/18 CloudFly Net Inc
NSa3.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25πŸ‡ΊπŸ‡Έ Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-53-25.defastlink.net
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25πŸ‡ΊπŸ‡Έ Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-53-25.defastlink.net
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239πŸ‡ΊπŸ‡Έ Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-52-239.defastlink.net
NSb3.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239πŸ‡ΊπŸ‡Έ Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1762874532

com

Same first word

Similar names

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 β†’ 2026-03-04 Β· 2 obs
β—‹ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
●NSa3.share-dns.com2026-03-04 β†’ 2026-03-04 Β· 2 obs
β—‹ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
●NSb.share-dns.net2026-03-04 β†’ 2026-03-04 Β· 2 obs
β—‹ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
●NSb3.share-dns.net2026-03-04 β†’ 2026-03-04 Β· 2 obs
β—‹ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
β—‹NScody.ns.cloudflare.com2021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹NSdns1.registrar-servers.com2020-12-21 β†’ 2020-12-21 Β· 4 obs
β—‹ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
β—‹ 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹NSdns2.registrar-servers.com2020-12-21 β†’ 2020-12-21 Β· 4 obs
β—‹ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
β—‹ 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹NSkim.ns.cloudflare.com2021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹NSns1.vultr.com2017-01-04 β†’ 2017-01-04 Β· 3 obs
● 2017-01-04 22:31:38
β—‹ 2018-09-03 19:24:14
β—‹ 2026-03-04 07:57:00
β—‹NSns17.domaincontrol.com2018-09-03 β†’ 2018-09-03 Β· 4 obs
β—‹ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
β—‹ 2020-12-21 16:31:16
β—‹ 2026-03-04 07:57:00
β—‹NSns18.domaincontrol.com2018-09-03 β†’ 2018-09-03 Β· 4 obs
β—‹ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
β—‹ 2020-12-21 16:31:16
β—‹ 2026-03-04 07:57:00
β—‹NSns2.vultr.com2017-01-04 β†’ 2017-01-04 Β· 3 obs
● 2017-01-04 22:31:38
β—‹ 2018-09-03 19:24:14
β—‹ 2026-03-04 07:57:00
β—‹MXpdf-tutorial.com2017-01-04 β†’ 2017-01-04 Β· 3 obs
● 2017-01-04 22:31:38
β—‹ 2018-09-03 19:24:14
β—‹ 2026-03-04 07:57:00
β—‹A104.21.7.2092021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
●A154.197.157.2182026-03-04 β†’ 2026-03-04 Β· 2 obs
β—‹ 2021-10-06 17:16:08
● 2026-03-04 07:57:00
β—‹A172.67.188.62021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹A2606:4700:3033::6815:7d12021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹A2606:4700:3035::ac43:bc062021-10-06 β†’ 2021-10-06 Β· 3 obs
β—‹ 2020-12-21 16:31:16
● 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹A3.140.115.92020-12-21 β†’ 2020-12-21 Β· 4 obs
β—‹ 2018-09-03 19:24:14
● 2020-12-21 16:31:16
β—‹ 2021-10-06 17:16:08
β—‹ 2026-03-04 07:57:00
β—‹A45.63.65.1552017-01-04 β†’ 2017-01-04 Β· 3 obs
● 2017-01-04 22:31:38
β—‹ 2018-09-03 19:24:14
β—‹ 2026-03-04 07:57:00
β—‹A98.143.144.1072018-09-03 β†’ 2018-09-03 Β· 4 obs
β—‹ 2017-01-04 22:31:38
● 2018-09-03 19:24:14
β—‹ 2020-12-21 16:31:16
β—‹ 2026-03-04 07:57:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

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

βœ… Authoritative Response

Server: 172.64.53.25

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 364ms | Queries: -

πŸ“„ Records

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

πŸ“Œ Glue Records Collected

Total: 1

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

Analysis

IP Addresses

pdf-tutorial.com resolves to one IP number: 154.197.157.218.

Other host names, for example cnmaojin.com, share IP numbers with pdf-tutorial.com.

Name Servers

pdf-tutorial.com delegates to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

pdf-tutorial.com at least partially shares name servers with other domains, including lmclassic.com, njywc.com, yibeigeng.com, njfczs.com and avtt521.com.

These name servers are commonly used with a5.share-dns.com, b5.share-dns.net, a10.share-dns.com, b10.share-dns.net, a9.share-dns.com, b9.share-dns.net, a6.share-dns.com, b6.share-dns.net, a11.share-dns.com and b11.share-dns.net.

Host names with one IP number:

a3.share-dns.com and a.share-dns.com point to 172.64.53.25.

b3.share-dns.net and b.share-dns.net point to 172.64.52.239.

Host names that point to 172.64.53.25: a3.share-dns.com and a.share-dns.com.

Host names that point to 172.64.52.239: b3.share-dns.net and b.share-dns.net.