pencilresearch.com - robtex.com

pencilresearch.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:a758🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5205🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.5Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.88🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoby.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A2803:f800:50::6ca2:c15c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoby.ns.cloudflare.com
A2a06:98c1:50::ac40:215c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoby.ns.cloudflare.com
A108.162.193.92🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A172.64.33.92🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A173.245.59.92🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
NSdayana.ns.cloudflare.com
A2606:4700:50::a29f:2667🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A2803:f800:50::6ca2:c267🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdayana.ns.cloudflare.com
A2a06:98c1:50::ac40:2267🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdayana.ns.cloudflare.com
A108.162.194.103🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A162.159.38.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A172.64.34.103🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTgoogle-site-verification=T36eGL4G8P9Eix6RmDS0vmNwAHRBRbnabjdWfsToJG8
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.5, 172.67.167.88
IPv6 hints2606:4700:3033::ac43:a758, 2606:4700:3034::6815:5205
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOAcoby.ns.cloudflare.comdns@cloudflare.com serial=2409042729

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=1784500062
WOT: UNKNOWN (22/100)

Same first word

pencilresearch.com

Similar names

charliespencer.com

DNS History

9 records (8 active, 1 former)

NScoby.ns.cloudflare.comdayana.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA104.21.82.5172.67.167.882606:4700:3033::ac43:a7582606:4700:3034::6815:52052606:4700:3030::ac43:a758
●NScoby.ns.cloudflare.com2026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
●NSdayana.ns.cloudflare.com2026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
●MXin1-smtp.messagingengine.com2026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
●MXin2-smtp.messagingengine.com2026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
●A104.21.82.52026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
●A172.67.167.882026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56
○A2606:4700:3030::ac43:a7582026-05-26 → 2026-05-26 · 3 obs
● 2026-05-26 03:30:34
○ 2026-07-14 22:08:58
○ 2026-07-19 22:53:56
●A2606:4700:3033::ac43:a7582026-07-14 → 2026-07-19 · 3 obs
○ 2026-05-26 03:30:34
● 2026-07-14 22:08:58
● 2026-07-19 22:53:56
●A2606:4700:3034::6815:52052026-05-26 → 2026-07-19 · 2 obs
● 2026-05-26 03:30:34
● 2026-07-19 22:53:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
pencilresearch.comcoby.ns.cloudflare.com, dayana.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.103

NS records: coby.ns.cloudflare.com, dayana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pencilresearch.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.82.5, 172.67.167.88
AAAA22606:4700:3034::6815:5205, 2606:4700:3033::ac43:a758
NS2coby.ns.cloudflare.com, dayana.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT2google-site-verification=T36eGL4G8P9Eix6, v=spf1 include:spf.messagingengine.com ?
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coby.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (coby.ns.cloudflare.com, coby.ns.cloudflare.com, coby.ns.cloudflare.com...)

Analysis

IP Addresses

pencilresearch.com points to the four IP addresses 104.21.82.5, 172.67.167.88, 2606:4700:3033::ac43:a758 and 2606:4700:3034::6815:5205.

reabo.co.uk, casinochan.top, avtor.tululu.org plus two other host names have IP numbers in common with pencilresearch.com.

Name Servers

Two name servers handle the delegation for pencilresearch.com: coby.ns.cloudflare.com and dayana.ns.cloudflare.com.

The name server configuration of pencilresearch.com is shared with other domains, for instance cvfgroup.cz, spaceray.com, condukt.app and two others.

At least some of pencilresearch.com's name servers are shared with other domains, for example phonetubqwyok.autos, rette-valeria.ch, dokohost.com and two more.

These name servers tend to be deployed in combination with the name servers roman.ns.cloudflare.com and rayden.ns.cloudflare.com.

Hosts with 6 IP addresses each:

coby.ns.cloudflare.com resolves to 108.162.193.92, 172.64.33.92 and 173.245.59.92 among others, with 3 other IP addresses in total.

dayana.ns.cloudflare.com resolves to 108.162.194.103, 162.159.38.103 and 172.64.34.103 among others, with 3 other IP addresses in total.

Mail Servers

pencilresearch.com uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of pencilresearch.com matches that of other domains such as dalton.kiwi, salesclever.com, joesiu.com and two others.

At least a portion of pencilresearch.com's mail servers are shared with other domains, among them aa8g8.com and ur-music.net.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Host names with four IP addresses:

in2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.