writebrainbooks.com - robtex.com

writebrainbooks.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d338🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2d4b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.75Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.56🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbob.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbob.ns.cloudflare.com
A2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbob.ns.cloudflare.com
A108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
NSmariah.ns.cloudflare.com
A2606:4700:50::a29f:26c8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A2803:f800:50::6ca2:c2c8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmariah.ns.cloudflare.com
A2a06:98c1:50::ac40:22c8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmariah.ns.cloudflare.com
A108.162.194.200🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A162.159.38.200Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A172.64.34.200🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
MXwritebrainbooks-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c801::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00101.inbound.protection.outlook.com
A2a01:111:f403:c927::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn8pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:c92c::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm5pr04cu00103.inbound.protection.outlook.com
A2a01:111:f403:c946::4🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
A40.93.192.1🇺🇸 Microsoft40.80.0.0/12
PTRmail-dm5pr02cu00201.inbound.protection.outlook.com
A52.101.40.24🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy5pr05cu00100.inbound.protection.outlook.com
A52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00305.inbound.protection.outlook.com
A52.101.41.26🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01702.inbound.protection.outlook.com
TXTNETORGFT9618299.onmicrosoft.com
TXTgoogle-site-verification=MPgZqL0_25CMoxowr8G__g3kE7cx4czwa3LDpOFdNRo
TXTv=spf1 ip4:62.246.254.122 include:writebrainworld.com include:secureserver.ne...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.75, 172.67.211.56
IPv6 hints2606:4700:3031::ac43:d338, 2606:4700:3037::6815:2d4b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com
SOAbob.ns.cloudflare.comdns@cloudflare.com serial=2403760589

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=1781693490

Same first word

writebrainbooks.com
writebrainbooks.co

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSbob.ns.cloudflare.commariah.ns.cloudflare.comns15.domaincontrol.comns16.domaincontrol.comMXwritebrainbooks-com.mail.protection.outlook.commailstore1.secureserver.netsmtp.secureserver.netA104.21.45.75172.67.211.562606:4700:3031::ac43:d3382606:4700:3037::6815:2d4b206.196.110.126206.196.110.86
●NSbob.ns.cloudflare.com2026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
●NSmariah.ns.cloudflare.com2026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
○NSns15.domaincontrol.com2015-08-12 → 2017-01-09 · 4 obs
● 2015-08-12 17:53:50
● 2017-01-09 13:55:38
○ 2026-04-10 09:28:06
○ 2026-06-17 10:53:00
○NSns16.domaincontrol.com2015-08-12 → 2017-01-09 · 4 obs
● 2015-08-12 17:53:50
● 2017-01-09 13:55:38
○ 2026-04-10 09:28:06
○ 2026-06-17 10:53:00
○MXmailstore1.secureserver.net2015-08-12 → 2017-01-09 · 4 obs
● 2015-08-12 17:53:50
● 2017-01-09 13:55:38
○ 2026-04-10 09:28:06
○ 2026-06-17 10:53:00
○MXsmtp.secureserver.net2015-08-12 → 2017-01-09 · 4 obs
● 2015-08-12 17:53:50
● 2017-01-09 13:55:38
○ 2026-04-10 09:28:06
○ 2026-06-17 10:53:00
●MXwritebrainbooks-com.mail.protection.outlook.com2026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
●A104.21.45.752026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
●A172.67.211.562026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
○A206.196.110.1262015-08-12 → 2015-08-12 · 3 obs
● 2015-08-12 17:53:50
○ 2016-01-19 22:02:02
○ 2026-06-17 10:53:00
○A206.196.110.862016-01-19 → 2017-01-09 · 5 obs
○ 2015-08-12 17:53:50
● 2016-01-19 22:02:02
● 2017-01-09 13:55:38
○ 2026-04-10 09:28:06
○ 2026-06-17 10:53:00
●A2606:4700:3031::ac43:d3382026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00
●A2606:4700:3037::6815:2d4b2026-04-10 → 2026-06-17 · 3 obs
○ 2017-01-09 13:55:38
● 2026-04-10 09:28:06
● 2026-06-17 10:53:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
writebrainbooks.combob.ns.cloudflare.com, mariah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.104

NS records: bob.ns.cloudflare.com, mariah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for writebrainbooks.com (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.45.75, 172.67.211.56
AAAA22606:4700:3037::6815:2d4b, 2606:4700:3031::ac43:d338
NS2bob.ns.cloudflare.com, mariah.ns.cloudflare.com
MX1writebrainbooks-com.mail.protection.outl
TXT3NETORGFT9618299.onmicrosoft.com, google-site-verification=MPgZqL0_25CMoxo...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bob.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

writebrainbooks.com resolves to four IP addresses: 104.21.45.75, 172.67.211.56, 2606:4700:3031::ac43:d338 and 2606:4700:3037::6815:2d4b.

Two other host names, along with gameon.md, bananaquartz.org and thisiswaters.com, also share IP numbers with writebrainbooks.com.

Name Servers

DNS delegation for writebrainbooks.com points to two name servers: bob.ns.cloudflare.com and mariah.ns.cloudflare.com.

writebrainbooks.com shares its NS records with other domains, for example rdinn.net, airteam.dk, dynamicbit.ch and two others.

writebrainbooks.com has at least partial name server overlap with other domains, such as keithgoodlip.com, nohu073.com, badsonfamily.com and two others.

It is common to find these name servers paired with the name servers harvey.ns.cloudflare.com.

DNS names with 6 IP addresses:

bob.ns.cloudflare.com has IP addresses 108.162.193.104, 172.64.33.104 and 173.245.59.104, plus 3 other.

mariah.ns.cloudflare.com has IP addresses 108.162.194.200, 162.159.38.200 and 172.64.34.200, plus 3 other.

Mail Servers

The sole mail server for writebrainbooks.com is writebrainbooks-com.mail.protection.outlook.com.

With 8 IP addresses total, writebrainbooks-com.mail.protection.outlook.com resolves to 40.93.192.1, 52.101.40.24, 52.101.41.21 and 5 others.